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PHP shell_exec() vs exec()
...ec also supports an additional parameter that will provide the return code from the executed command:
exec('ls', $out, $status);
if (0 === $status) {
var_dump($out);
} else {
echo "Command failed with status: $status";
}
As noted in the shell_exec manual page, when you actually require a ...
What static analysis tools are available for C#? [closed]
...een in development for what seems like forever - it's looking pretty slick from what little I've seen of it, so it would be nice if it would ever see the light of day.
...
Is there a recommended way to return an image using ASP.NET Web API
...
If you are returning a file from the hard drive, I think it would be better performance to use a FileStream, like this (see accepted answer in this question): stackoverflow.com/questions/11125535/…
– John Gilmer
...
jQuery: Adding two attributes via the .attr(); method
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WARNING: When setting the 'class' attribute, you must always use quotes!
From the jQuery documentation (Sep 2016) for .attr:
Attempting to change the type attribute on an input or button element created via document.createElement() will throw an exception on Internet Explorer 8 or older.
Edit:
F...
Passing multiple error classes to ruby's rescue clause in a DRY fashion
...u can structure your inheritance hierarchy such that they will all inherit from the same parent class and then rescue only the parent class.
For example I had three exceptions: FileNamesMissingError,InputFileMissingError, and OutputDirectoryError that I wanted to rescue with one statement. I made a...
Is there a DesignMode property in WPF?
...I class is initiated by the designer (like if I create a DataContext class from XAML). Then the approach from this MSDN article is helpful:
// Check for design mode.
if ((bool)(DesignerProperties.IsInDesignModeProperty.GetMetadata(typeof(DependencyObject)).DefaultValue))
{
//in Design mode
}
...
Example of Named Pipes
...
PS> Install-Package NamedPipeWrapper
Then an example server (copied from the link):
var server = new NamedPipeServer<SomeClass>("MyServerPipe");
server.ClientConnected += delegate(NamedPipeConnection<SomeClass> conn)
{
Console.WriteLine("Client {0} is now connected!",...
How to call getClass() from a static method in Java?
...afe...
Caution when using this in a Base Class that other classes inherit from:
It is also worth noting that if this snippet is shaped as a static method of some base class then currentClass value will always be a reference to that base class rather than to any subclass that may be using that meth...
Automatic counter in Ruby for each?
...ex { |blah, index| something(blah, index) }
This is something you can do from ruby 1.8.7 and 1.9.
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How do you find out the type of an object (in Swift)?
...anyMirror = Mirror(reflecting: anyObject)
Then to access the type itself from the Mirror struct you would use the property subjectType like so:
// Prints "String"
print(stringMirror.subjectType)
// Prints "Array<String>"
print(stringArrayMirror.subjectType)
// Prints "...