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What do commas and spaces in multiple classes mean in CSS?

..._12 .grid_6, .container_16 .grid_8 { width: 460px; } That says "make all .grid_6's within .container_12's and all .grid_8's within .container_16's 460 pixels wide." So both of the following will render the same: <div class="container_12"> <div class="grid_6">460px Wide</div&g...
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What integer hash function are good that accepts an integer hash key?

...mple) and has no common factors with it. This way the hash function covers all your hash space uniformly. Edit: The biggest disadvantage of this hash function is that it preserves divisibility, so if your integers are all divisible by 2 or by 4 (which is not uncommon), their hashes will be too. Thi...
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What is the formal difference in Scala between braces and parentheses, and when should they be used?

...ut this, but I gave up in the end, as the rules are somewhat diffuse. Basically, you’ll have to get the hang of it. Perhaps it is best to concentrate on where curly braces and parenthesis can be used interchangeably: when passing parameters to method calls. You may replace parenthesis with curly b...
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Get Root Directory Path of a PHP project

...IR gets the directory of the current file not the project root unless you call it in a file that is in the project root, but as php doesn't have the concept of a project all paths have to be absolute or relative to the current location – MikeT Nov 12 '19 at 14...
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Windows threading: _beginthread vs _beginthreadex vs CreateThread C++

... CreateThread() is a raw Win32 API call for creating another thread of control at the kernel level. _beginthread() & _beginthreadex() are C runtime library calls that call CreateThread() behind the scenes. Once CreateThread() has returned, _beginthread/ex...
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Get name of current script in Python

...hen used in the main module, this is the name of the script that was originally invoked. If you want to omit the directory part (which might be present), you can use os.path.basename(__file__). share | ...
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Getting a list of all subdirectories in the current directory

Is there a way to return a list of all the subdirectories in the current directory in Python? 27 Answers ...
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How can you encode a string to Base64 in JavaScript?

... in 8 bits, it will probably break. This isn’t a problem if you’re actually treating the string as a byte array, but if you’re trying to do something else then you’ll have to encode it first. atob() returns a “string” where each character represents an 8-bit byte – that is, its value w...
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How to print without newline or space?

...to the end of the string: print('.', end='') To not add a space between all the function arguments you want to print: print('a', 'b', 'c', sep='') You can pass any string to either parameter, and you can use both parameters at the same time. If you are having trouble with buffering, you can f...
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How to use filter, map, and reduce in Python 3

... longer return lists: [...] map() and filter() return iterators. If you really need a list, a quick fix is e.g. list(map(...)), but a better fix is often to use a list comprehension (especially when the original code uses lambda), or rewriting the code so it doesn’t need a list at all. Particular...