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Hidden features of C

I know there is a standard behind all C compiler implementations, so there should be no hidden features. Despite that, I am sure all C developers have hidden/secret tricks they use all the time. ...
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How to set initial size of std::vector?

I have a vector<CustomClass*> and I put a lot of items in the vector and I need fast access, so I don't use list. How to set initial size of vector (for example to be 20 000 places, so to avoid copy when I insert new)? ...
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How to split a string literal across multiple lines in C / Objective-C?

... Both of these are the same as in and C and C++. The latter solution is preferred because former one embeds a lot of useless white space into the program which will also be transmitted to the DB server. – Alnitak Apr 28...
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Laravel Migration Change to Make a Column Nullable

...olumns, so you'll need use another technique such as writing a raw SQL command. For example: // getting Laravel App Instance $app = app(); // getting laravel main version $laravelVer = explode('.',$app::VERSION); switch ($laravelVer[0]) { // Laravel 4 case('4'): DB::statement('A...
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Read environment variables in Node.js

... Note that this will not be visible outside the node process and its subprocesses. E.g. it wouldn't be visible if you fire env in another shell window while the node process is running, nor in the same shell after the node process exits. – Marko Bonaci ...
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How to remove multiple indexes from a list at the same time? [duplicate]

...you can do this: del my_list[2:6] which removes the slice starting at 2 and ending just before 6. It isn't clear from your question whether in general you need to remove an arbitrary collection of indexes, or if it will always be a contiguous sequence. If you have an arbitrary collection of ind...
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Android: How do I get string from resources using its name?

I would like to have 2 languages for the UI and separate string values for them in my resource file res\values\strings.xml : ...
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git push local branch with same name as remote tag

... The following command should work. git push origin refs/heads/product-0.2:refs/heads/product-0.2 share | improve this answer | ...
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Downloading MySQL dump from command line

...he contents of a MySQL database. Is there a way I can do this from the command line? 13 Answers ...
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Disable Browser Link - which toolbar

...I found this question: How can I disable __vwd/js/artery in VS.NET 2013? and many other resources saying I should untick "Enable Browser Link" in the toolbar, but that toolbar doesn't show up in my visual studio. I've enabled all the debug toolbars but still no browser link button. ...