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Tuesday 24 September 2013

10 keyboard shortcuts

Top 10 keyboard shortcuts everyone should know

Top 10 keyboard shortcutsUsing keyboard shortcuts can greatly increase your productivity, reduce repetitive strain, and help keep you focused. For example, highlighting text with the keyboard and pressing Ctrl + C is much faster than taking your hand from the keyboard, highlighting the text using the mouse, clicking copy from the file menu, and then putting your hand back in place on the keyboard. Below are our top 10 keyboard shortcuts we recommend everyone memorize and use.

Ctrl + C or Ctrl + Insert
Copy the highlighted text or selected item.

Ctrl + V or Shift + Insert
Paste the text or object that's in the clipboard.

Ctrl + Z and Ctrl + Y
Undo any change. For example, if you cut text, pressing this will undo it. This can also often be pressed multiple times to undo multiple changes. Pressing Ctrl + Y would redo the undo.

Ctrl + F
Open the Find in any program. This includes your Internet browser to find text on the current page.

Alt + Tab or Alt + Esc
Quickly switch between open programs moving forward.

Tip: Press Ctrl + Tab to switch between tabs in a program.
Tip: Adding the Shift key to Alt + Tab or Ctrl + Tab will move backwards. For example, if you are pressing Alt + Tab and pass the program you want to switch to, press Alt + Shift + Tab to move backwards to that program.
Tip: Windows Vista and 7 users can also press the Windows Key + Tab to switch through open programs in a full screenshot of the Window.

Ctrl + Back space and Ctrl + Left or Right arrow
Pressing Ctrl + Backspace will delete a full word at a time instead of a single character.
Holding down the Ctrl key while pressing the left or right arrow will move the cursor one word at a time instead of one character at a time. If you wanted to highlight one word at a time you can hold down Ctrl + Shift and then press the left or right arrow key to move one word at a time in that direction while highlighting each word.

Ctrl + S
While working on a document or other file in almost every program pressing Ctrl + S will save that file. This shortcut key should be used frequently anytime you're working on anything important.

Ctrl + Home or Ctrl + End
Move the cursor to the beginning or end of a document.

Ctrl + P
Print the page being viewed. For example, the document in Microsoft Word or the web page in your Internet browser.
Page Up, Space bar, and Page Down
Pressing either the page up or page down key will move that page one page at a time in that direction. When browsing the Internet pressing the space bar will also move the page down one page at a time. If you press Shift and the Space bar the page will go up a page at a time.
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Thursday 12 September 2013

Test Network and Internet

  1. How to Test Network and Internet Latency (Lag) in Microsoft Windows

  2. Have you just connected a Windows PC to a network or the Internet? Want to know the easiest way to check connectivity? Both the "ping" and "tracert" commands will help you measure latency, also known as "lag." Follow these steps to test your internet latency.
  3. Go to Start > Run and type cmd. You can also search for cmd.exe in the Windows Search function.

  4. 2
    Press OK to launch Windows Command. This is the default command-line interface for Windows.

  5. 3
    Test the loop-back address.
    • Type ping 127.0.0.1 (it is the same for every computer, so you do not need to change this). This will test your computer's network chip, not your modem, router, or Internet connection.

    • Press Enter to begin pinging.

    • Place -t at the end of the command to perform continuous testing.

    • To exit continuous testing, press Ctrl+C.

    • Place -n 20 at the end of the command to send 20 pings. Replace the number 20 with any value (the value will be limited to a 32-bit or 64-bit integer).

    • If everything is correct, you will see something like:

    • Look at the ping statistics. They should report a 0% loss.

    • Keep an eye on the response time, as it represents the connection's latency between you and the server. Double digit values (such as 50ms, or lower) are very good. This varies drastically depending upon where the server is in relation to your computer. Generally, most connections should have latency less than a few hundred milliseconds. If there is no network connection, you will see the output "Request timed out" repeated.

  6. 4
    Test your local gateway. Find your default gateway's IP address:

    • Type ipconfig in the command prompt window.

    • Press Enter. The command prompt will then display the output from the ipconfig command.

    • Find the listing for "Default Gateway". This is the IP you can use in a ping to test the connection between your computer and your router or ISP.

  7. 5
    Test beyond your local network. Test the connectivity of your modem, router, network, or internet connection by using an IP address on the Internet.

  8. 6
    Check domain name resolution. Instead of an IP address, type in a site's domain name, such as www.google.com. Pinging a domain name tests your computer and network's ability to resolve network names (translating them to IP addresses).

  9. 7
    Measure network and internet performance (Windows NT, 2000, XP, and Vista only). Use the tracert command to measure the response of each hop in a network path. Your connection to any one server will require multiple "hops" between other servers and networking components. The fewer number of hops, the better. Most connections to a server on the Internet will include at least a dozen hops. To test:

    • With the command prompt open, type tracert xxx.xxx.xxx.xxx, replacing xxx.xxx.xxx.xxx with an IP address on the internet.

    • Press Enter and watch as each hop is pinged and logged. The first ping should be your computer, modem, or router, and the last ping should be your target address.

    • Notice that the response time for points farther away from you will be greater than those closer to you.
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How to Make a Network Cable



Make a Network CableThe steps below are general Ethernet Category 5 (commonly known as Cat 5) cable construction guidelines. For our example, we will be making a Category 5e patch cable, but the same general method will work for making any category of network cables.

Steps



  1. Unroll the required length of network cable and add a little extra wire, just in case. If a boot is to be fitted, do so before stripping away the sleeve and ensure the boot faces the correct way.
  2. 2
    Carefully remove the outer jacket of the cable.
     Carefully remove the outer jacket of the cable.
    Carefully remove the outer jacket of the cable. Be careful when stripping the jacket as to not nick or cut the internal wiring. One good way to do this is to cut lengthwise with snips or a knife along the side of the cable, away from yourself, about an inch toward the open end. This reduces the risk of nicking the wires' insulation. Locate the string inside with the wires, or if no string is found, use the wires themselves to unzip the sheath of the cable by holding the sheath in one hand and pulling sideways with the string or wire. Cut away the unzipped sheath and cut the twisted pairs about 1 1/4" (30 mm). You will notice 8 wires twisted in 4 pairs. Each pair will have one wire of a certain color and another wire that is white with a colored stripe matching its partner (this wire is called a tracer).
  3. 3
    Inspect the newly revealed wires for any cuts or scrapes that expose the copper wire inside.
     Inspect the newly revealed wires for any cuts or scrapes that expose the copper wire inside.
    Inspect the newly revealed wires for any cuts or scrapes that expose the copper wire inside. If you have breached the protective sheath of any wire, you will need to cut the entire segment of wires off and start over at step one. Exposed copper wire will lead to cross-talk, poor performance or no connectivity at all. It is important that the jacket for all network cables remains intact.
  4. 4
    Untwist the pairs so they will lay flat between your fingers.
     Untwist the pairs so they will lay flat between your fingers.
    Untwist the pairs so they will lay flat between your fingers. The white piece of thread can be cut off even with the jacket and disposed (see Warnings). For easier handling, cut the wires so that they are 3/4" (19 mm) long from the base of the jacket and even in length.
  5. 5
    Arrange the wires based on the wiring specifications you are following.
     Arrange the wires based on the wiring specifications you are following.
    Arrange the wires based on the wiring specifications you are following. There are two methods set by the TIA, 568A and 568B. Which one you use will depend on what is being connected. A straight-through cable is used to connect two different-layer devices (e.g. a hub and a PC). Two like devices normally require a cross-over cable. The difference between the two is that a straight-through cable has both ends wired identically with 568B, while a cross-over cable has one end wired 568A and the other end wired 568B.[1] For our demonstration in the following steps, we will use 568B, but the instructions can easily be adapted to 568A.
    • 568B - Put the wires in the following order, from left to right:

      • white orange
      • orange
      • white green
      • blue
      • white blue
      • green
      • white brown
      • brown
    • 568A - from left to right:
      • white/green
      • green
      • white/orange
      • blue
      • white/blue
      • orange
      • white/brown
      • brown
  6. 6
    You can also use the mnemonic 1-2-3-6/3-6-1-2 to remember which wires are switched.

    Image:Rj45568AB_955.gif
  7. 7
    Press all the wires flat and parallel between your thumb and forefinger. Verify the colors have remained in the correct order. Cut the top of the wires even with one another so that they are 1/2" (12.5 mm) long from the base of the jacket, as the jacket needs to go into the 8P8C connector by about 1/8", meaning that you only have a 1/2" of room for the individual cables. Leaving more than 1/2" untwisted can jeopardize connectivity and quality. Ensure that the cut leaves the wires even and clean; failure to do so may cause the wire not to make contact inside the jack and could lead to wrongly guided cores inside the plug.
  8. 8
    Keep the wires flat and in order as you push them into the RJ-45 plug with the flat surface of the plug on top.
     Keep the wires flat and in order as you push them into the RJ-45 plug with the flat surface of the plug on top.
    Keep the wires flat and in order as you push them into the RJ-45 plug with the flat surface of the plug on top. The white/orange wire should be on the left if you're looking down at the jack. You can tell if all the wires made it into the jack and maintain their positions by looking head-on at the plug. You should be able to see a wire located in each hole, as seen at the bottom right. You may have to use a little effort to push the pairs firmly into the plug. The cabling jacket should also enter the rear of the jack about 1/4" (6 mm) to help secure the cable once the plug is crimped. You may need to stretch the sleeve to the proper length. Verify that the sequence is still correct before crimping.
  9. 9
    Place the wired plug into the crimping tool.
     Place the wired plug into the crimping tool.
    Place the wired plug into the crimping tool. Give the handle a firm squeeze. You should hear a ratcheting noise as you continue. Once you have completed the crimp, the handle will reset to the open position. To ensure all pins are set, some prefer to double-crimp by repeating this step.
  10. 10
    Repeat all of the above steps with the other end of the cable. The way you wire the other end (568A or 568B) will depend on whether you're making a straight-through, rollover, or cross-over cable (see Tips).
  11. 11
    Test the cable to ensure that it will function in the field.
     Test the cable to ensure that it will function in the field.
    Test the cable to ensure that it will function in the field. Mis-wired and incomplete network cables could lead to headaches down the road. In addition, with power-over-Ethernet (PoE) making its way into the market place, crossed wire pairs could lead to physical damage of computers or phone system equipment, making it even more crucial that the pairs are in the correct order. A simple cable tester can quickly verify that information for you. Should you not have a network cable tester on hand, simply test connectivity pin to pin.


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Wednesday 11 September 2013

Disable Windows XP

Disable Windows XP login prompt for password

Disable Windows XP login prompt for password - imagesca i njn
This trick will show you how to bypass the login prompt in Windows XP with your "local account". Yes, it's only applied for local user accounts.

Most home users would love this trick. It allows you to bypass the login prompt on Windows startup and go straight to your desktop without a login.
This Windows XP feature is pretty cool in case the machine is mostly used by a single user. Is's kindda annoying when you're the only one using the pc and you have to login everytime, isn't it?

Use this trick at your own risks

Here's how:

From Desktop, Click on "Start" >> "Run".
Then type in "control userpasswords2" and press Enter.
Uncheck the box for "Users must enter a user name and password to use this computer."
Click "Apply" and "Ok".
...............

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Computer Tips & Tricks

Computer Tips & Tricks Everyone Should Know

Many hardcore computer users might think themselves above learning new tricks, but there's always new things to learn that will help improve your skills. Our bet: you will find at least one useful thing here that you didn't know before.
Inspired and with the help of this AskReddit discussion, we’ve compiled some of the most handy computer tricks you might not be taking advantage of. Our ultimate goal is to help you become more productive by shaving valuable seconds off your workflow. Of course, you can always pass along these tips to your not-so-savvy friends and family members to help them become better PC users as well.

General Tricks

Windows hidden "god mode" folder Windows offers a centralized Control Panel for all of the OS settings, which makes it easy for users to tweak everything from desktop background to setting up a VPN. To enter this mode, create a new folder with this exact name (copy and paste it): God Mode.{ED7BA470-8E54-465E-825C-99712043E01C}. The folder icon will change to a Control Panel-style icon, and you will be able to jump in and change all kinds of settings. Note: Don't try this on Windows Vista 64-bit as it's known to cause a reboot loop.

Use Problem Steps Recorder This handy tool automatically records any mouse clicks and takes screenshots for you. If you need tech assistance with your computer, go to Run by typing Windows + R, and then type "psr." Use the tool and by the time you are finished, you can send this information, neatly compiled automatically, to the person helping you with the issue. It will make the process of finding the problem much easier for them, which means you will be able to get your system up and running faster.
Find/Delete large files wasting space A handy tool called WinDirStat (Windows Directory Statistics) can be used to easily find which files and folders are taking up the most space on your drive. From there, you can delete them and open up a ton of storage space.

Reduce the number of programs running at startup If your PC is taking too long to boot, it’s probably because you have far too many programs running at startup. Reducing this is easy, it will make your PC launch noticeably faster and lighter upon first load. To change the items running at startup, go to Run using the hotkey Windows key + R, and type "msconfig." A small window will appear (see the screenshot below), select the Startup tab. From here you will be able to turn off many startup programs, which can shave several seconds (or minutes) off your boot time. (Note Windows 8 has moved this functionality to the Task Manager). Try to make sure you research what you are turning off as some processes might be needed by third party programs or drivers you have installed.

Cloud backup important files If you’re working on a critical paper for school, work, or any other major project, make sure you are backing up the file not just locally. You can use services like Dropbox, Google Drive, or any of the other popular cloud storage solution which will do the legwork for you on the background. Of course, you can also throw the files on a thumb drive or external HDD just to be safe but backing up to the cloud can be done seamlessly which is twice the advantage.

Typing Tricks

Delete an entire word Instead of deleting a single letter, pressing CTRL + BKSP will delete the entire word behind the cursor. This makes deleting text quicker if you screw up a whole word.
Move Cursor to beginning of the next or previous word Moving the cursor around manually while typing is a great way to make your work take longer than it needs to. To speed of the process, move the cursor around with keyboard shortcuts. To move it to the beginning of the previous word, use CTRL + Left Arrow. To move it to the beginning of the next word, use CTRL + Right Arrow. In OS X you can accomplish the same using the Option key.
Making sub and superscript text If you need to make sub or superscript text (think exponents for superscript), press CTRL + = for subscript and CTRL + SHIFT + = for superscript.
Paste plain text of what was copied When you copy text from any source, programs will usually copy any formatting that comes with it. To paste this as plain text, press CTRL + Shift + V instead of the standard CTRL + V, and the system will paste unformatted text.
Note that many programs follow this parameter (Chrome, Firefox, etc.) but not all, particularly Microsoft programs like Word or Outlook. For those there's a few alternatives that go beyond copying and pasting in Notepad: 1) CTRL + ALT + V will show a 'paste special' dialog box. 2) CTRL + Spacebar will remove formatting in already pasted text. 3) Download Puretext and choose a hotkey to always paste plain text with it.

Keyboard Shortcuts

Copy only active window to clipboard Normally, the Print Screen key copies the entire display (or two displays if you got them), ALT + Print Screen only copies the currently active window to the clipboard. Whether taking a screenshot to diagnose a problem, or just because you want to show something to a friend, this will come in handy.
Fix those little mistakes Did you know you can undo almost any action? CTRL + Z is the ultimate hot key, and for sure you knew about it already, however note that undo doesn’t just apply to typing. If you accidentally delete or move a file, you can hit CTRL + Z to bring it right back to where it was. In Chrome and Firefox you can also undo closing a tab using CTRL + SHIFT + T.
Cycle through open windows Pressing ALT+TAB allows you to cycle through currently open windows. This makes switching back and forth between running processes quick and painless. If you want a more stylish method of cycling through open programs, Windows + TAB will do the job for you.
Interrupt all processes CTRL + ALT + Delete is one of the most common PC shortcuts, and one almost everyone is familiar with. The important thing to note is that it interrupts all processes, including the one that is bogging down your system, which can mean the difference between needing to restart or not.

Close the current program Typing ALT + F4 will close the program that is running. This is useful as it saves you time mousing over the "X" and clicking. People will often use this as a joke, telling you to press ALT + F4 to fix a problem. Don’t fall for it unless you want to close what you are doing.
Minimize all windows Sometimes you have a bunch of stuff running, and you want it all to go away so you can get to the desktop. Simply pressing Windows + D will minimize everything you have up, which will save you some time pressing the minimize button for each window. It should be noted that Windows + M offers similar functionality, but there is no undoing, so Windows + D is the more favorable approach.
Open the task manager directly If you want to bypass the interrupt that happens when pressing CTRL + ALT + DEL and jump right to the task manager, typing CTRL + Shift + ESC launches it directly.
Close the current window/tab Stick of moving all the way to that X button? Press CTRL + W and the current window will close. (Don’t do it now, or you will miss the rest of the tricks!)
Bring up the system information window This is so much quicker than digging this out the traditional way... Just press Windows + Pause/Break and the System Information panel will be ready to go. This might be the only use for the Pause/Break key you will ever find, so enjoy it!

Better multiple monitor control There are several useful keyboard shortcuts for controlling open windows on multiple monitors. Pressing the Windows Key + Arrow Keys will cause a window to quickly snap to each side of either monitor. Alternatively, hitting Shift + Windows Key + Arrows will cause the window to jump to the other monitor. Lastly, pressing Windows + P will allow you to quickly set up a second display or projector.

Web Browsing Tricks

Automatically add www. and .com to a URL You can shave off a couple of seconds typing in a URL by simply click CTRL + Enter after you type the name of the site. Need .net instead of .com, press CTRL + Shift + Enter instead.

Jump to address bar There are a number of ways to jump right to the address bar from anywhere in browser. Pressing CTRL + L, F6, and ALT + D all accomplish this goal.
Bring back a closed tab We covered this already, but it's super useful. Accidentally closed a tab? Simply press CTRL + Shift + T to reopen the most recently closed tab and get back to what you were doing.
Use private browsing The uses for not having cookies and history saved are obvious for certain activities, you know, like shopping for gifts on a shared computer (of course!). Pressing CTRL + Shift + N will launch a new private in Chrome, CTRL + Shift + P will do it in Firefox and Internet Explorer.

Cycle through open tabs Pressing CTRL + TAB while in a browser will flip between each one. This can be much faster than moving the mouse and clicking on a tab. CTRL + NUM (1, 2, 3, 4, n..) will also take you to certain tab in that numeric order.

File Management Tricks

Rename a file quickly Right-clicking and selecting rename is not very efficient. Instead, simply press F2 while a file is selected to change its name. To alter the name of another file, type TAB without deselecting the current file.
Rename files sequentially in Windows You actually don’t need to download any programs to perform a batch file rename in Windows. Instead, you can select all the files you want to change, right-click the first one in the list, select rename (or use F2), and type in the name. This will automatically change all the other files with the same root name with a suffix: (1), (2), and so on.

Select multiple files using the keyboard To select a bunch of files using your keyboard, you can press Shift + down arrow to select a single file or Shift + Page Down to select a large group of files at one time.

Security Tips

Run programs on an infected PC Often times, malware will prevent a computer from running certain programs. Changing the name of the .exe file can often override this. If that doesn’t work, changing the extension to .com is another useful alternative, and the program will still be able to run in spite of the extension change.
Read installers Even major programs can install toolbars and other unwanted pieces of software during installation. Take a few seconds to read each step to make sure you are not agreeing to install something other than the program you were actually seeking. Far too often people just push next over and over, and end up with a browser covered in various search bars that just aren't needed. In the worst of scenarios, these can have nefarious intentions.
Lock your computer if you get up Sick of your "friends" going onto your computer at work or home and posting things on your Facebook/Twitter page on your behalf? It’s certainly an annoyance, but an easy one to prevent. Windows + L will lock your system right away, requiring a password (if you've set one) to log in again.

Program-Specific Tricks

Photoshop: Drag the marquee without losing the ability to size it The marquee tool is, at its most basic level, designed for selecting a part of an image. It’s used constantly in Photoshop, and there is a handy trick many users miss. While dragging it around, you can press space, which will allow you to size it while moving it. This saves time by letting your perform two key functions at the same time.
Steam: Move games to another drive or partition By default, Steam installs all games to the same HDD or partition, but what happens if that fills up? The solution: download Steamtool Library Manager. It makes it easy to move games to another hard drive without messing with the functionality of Steam.

VLC: Fix unsynced audio and subtitles In the popular media player VLC, if your audio loses sync with the video or subtitles, there is an easy way to fix this. Simply pressing J or K will move the audio forward or backwards. Similarly, to sync the subtitles you can press H or G.

The combination of using these tips and tricks on a daily basis will most certainly make your computer life much more enjoyable, or at least more practical. And so, did you learn a thing or two that you didn't know before?

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