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How to terminate a python subprocess launched with shell=True
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Use a process group so as to enable sending a signal to all the process in the groups. For that, you should attach a session id to the parent process of the spawned/child processes, which is a shell in your case. This will make it the group leader of the processes. So now, when a ...
How to use the 'og' (Open Graph) meta tag for Facebook share
Facebook fetches all pictures from my site.
3 Answers
3
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Event on a disabled input
... However, Firefox doesn't exhibit this behaviour, it just does nothing at all when you click on a disabled element.
I can't think of a better solution but, for complete cross browser compatibility, you could place an element in front of the disabled input and catch the click on that element. Here...
HTML5 Number Input - Always show 2 decimal places
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You can't really, but you a halfway step might be:
<input type='number' step='0.01' value='0.00' placeholder='0.00' />
share
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Accessing MVC's model property from Javascript
... IconHtml = '@Html.Raw(Model.UserIconHTML)';
The results are good with all types. But our HTML data is now broken and this will break the scripts. The issue is because we are using single quotes ' to wrap the the data and even the data has single quotes.
We can overcome this issue with 2 appro...
Create Directory When Writing To File In Node.js
...d found a little problem. I've got a script which resides in a directory called data . I want the script to write some data to a file in a subdirectory within the data subdirectory. However I am getting the following error:
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What does “|=” mean? (pipe equal operator)
...ults | Notification.DEFAULT_SOUND;
where | is the bit-wise OR operator.
All operators are referenced here.
A bit-wise operator is used because, as is frequent, those constants enable an int to carry flags.
If you look at those constants, you'll see that they're in powers of two :
public static...
What's wrong with foreign keys?
... get Orphaned Rows
you can get nice "on delete cascade" behavior, automatically cleaning up tables
knowing about the relationships between tables in the database helps the Optimizer plan your queries for most efficient execution, since it is able to get better estimates on join cardinality.
FKs giv...
How to zip a whole folder using PHP
...$name => $file)
{
// Skip directories (they would be added automatically)
if (!$file->isDir())
{
// Get real and relative path for current file
$filePath = $file->getRealPath();
$relativePath = substr($filePath, strlen($rootPath) + 1);
// Add cur...
how to prevent “directory already exists error” in a makefile when using mkdir
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"Generally, stick to the widely-supported (usually posix-specified) options and features of these programs. For example, don't use ‘mkdir -p’, convenient as it may be, because a few systems don't support it at all and with othe...