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Prevent automatic browser scroll on refresh
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Fastest way to check if a file exist using standard C++/C++11/C?
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Reading/writing an INI file
...your own INI handler, which is the old-school, laborious way. It gives you more control over the implementation, which you can use for bad or good. See e.g. an INI file handling class using C#, P/Invoke and Win32.
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How to display unique records from a has_many through relationship?
... :through relationships on the ActiveRecord Associations documentation for more information. Thanks to Kurt Mueller for pointing this out in his comment.
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How to reference constants in EL?
...ble like so ${Boolean.TRUE} and ${Integer.MAX_VALUE}. This only requires a more recent Java EE 7 container server as early versions had bugs in this. E.g. GlassFish 4.0 and Tomcat 8.0.0-1x fails, but GlassFish 4.1+ and Tomcat 8.0.2x+ works. And you need to make absolutely sure that your web.xml is d...
Add an already existing directory to a directory in Solution Explorer
...n the filesystem and you want to add it to your project (as this is stated more simply in the comments above).. just open up the file explorer (like normal.. open folder in Windows) and the drag the folder and drop it on the desired folder in your solution explorer pane.. job done! I just did this a...
How to select different app.config for several build configurations
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Use SlowCheetah plugin. For more options and details of how to use SlowCheetah keep reading.
As you have already noticed, there is no default and easy way to use different config files for a Library type (.dll) project. The reason is that the current t...
Understanding how recursive functions work
... I'm not too happy with thinking of it as a copy. I find that a more intuitive explanation is to differentiate the function itself (the code, what it does) and a function invocation (instantiation of that function) to which a stack frame/execution context is associated. The function doesn...
How can I sanitize user input with PHP?
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