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How to check if the user can go back in browser history or not
I want using JavaScript to see if there is history or not, I mean if the back button is available on the browser or not.
18...
How to gracefully handle the SIGKILL signal in Java
...er watcher program watch for your main program to go away or use a wrapper script. You could do with this with a shell script that polled the ps command looking for your program in the list and act accordingly when it disappeared.
#!/usr/bin/env bash
java TestShutdownHook
wait
# notify your other ...
Unicode character as bullet for list-item in CSS
...n use conditional comments to apply older/slower solutions like images, or scripts. Better yet, use both with <noscript> for the images.
HTML:
<!--[if lt IE 8]>
*SCRIPT SOLUTION*
<noscript>
*IMAGE SOLUTION*
</noscript>
<![endif]-->
About backgr...
Why are iframes considered dangerous and a security risk?
...useful protection from the reverse case. If you have a lot of third party scripts on your site you need to isolate forms from them. One suggested way of doing that was putting the form in its own minimal page with no third-party javascript, and displaying it in an iframe in the host page. hackern...
What's the difference between “Write-Host”, “Write-Output”, or “[console]::WriteLine”?
...othing, meaning that you can't redirect the output, e.g., to a file.
---- script a.ps1 ----
write-host "hello"
Now run in PowerShell:
PS> .\a.ps1 > someFile.txt
hello
PS> type someFile.txt
PS>
As seen, you can't redirect them into a file. This maybe surprising for someone who are n...
change type of input field with jQuery
...r and setting the initial value to 'Password'. Then add a few lines of Javascript with jQuery as below:
<script type="text/javascript">
function pwdFocus() {
$('#fakepassword').hide();
$('#password').show();
$('#password').focus();
}
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Given two directory trees, how can I find out which files differ by content?
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Perl script colordiff is very useful here, can be used with svn and normal diff.
– Felipe Alvarez
May 15 '14 at 2:37
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How can I tell if one commit is a descendant of another commit?
...
If you want to check this programmatically (e.g. in script), you can check if git merge-base A B is equal to git rev-parse --verify A (then A is reachable from B), or if it is git rev-parse --verify B (then B is reachable from A). git rev-parse is here needed to convert from ...
Git pre-push hooks
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Git got the pre-push hook in the 1.8.2 release.
Sample pre-push script: https://github.com/git/git/blob/87c86dd14abe8db7d00b0df5661ef8cf147a72a3/templates/hooks--pre-push.sample
1.8.2 release notes talking about the new pre-push hook: https://github.com/git/git/blob/master/Documentation/...
Create folder with batch but only if it doesn't already exist
Can anybody tell me how to do the following in in a Windows batch script? ( *.bat ):
9 Answers
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