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How to synchronize a static variable among threads running different instances of a class in Java?
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Using lambda expressions for event handlers
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There are no performance implications since the compiler will translate your lambda expression into an equivalent delegate. Lambda expressions are nothing more than a language feature that the compiler translates into the exact same code that you are used to working with....
Cannot pass null argument when using type hinting
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How to var_dump variables in twig templates?
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Creating a URL in the controller .NET MVC
...isense will give you the meaning of each of the parameters.
Update from comments: controller already has a UrlHelper:
string url = this.Url.Action("About", "Home", null);
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File content into unix variable with newlines
... why newlines are replaced with spaces is not entirely to do with the echo command, rather it's a combination of things.
When given a command line, bash splits it into words according to the documentation for the IFS variable:
IFS: The Internal Field Separator that is used for word splitting af...
How to include “zero” / “0” results in COUNT aggregate?
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Is there a /dev/null on Windows?
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I think you want NUL, at least within a command prompt or batch files.
For example:
type c:\autoexec.bat > NUL
doesn't create a file.
(I believe the same is true if you try to create a file programmatically, but I haven't tried it.)
In PowerShell, you want...
Is an index needed for a primary key in SQLite?
...constraint) on the parent/referenced field(s) if it doesn't exist; it is recommended that the child/referencing field(s) have an index (which usually won't be unique): see here
– TripeHound
Mar 20 '14 at 14:01
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