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What is Bit Masking?

...ne the high-order bits in the word as the first byte. We use two operators for this, &, and >> (shift right). This is how we can extract the four bytes from a 32-bit integer: void more_stuff(uint32_t value) { // Example value: 0x01020304 uint32_t byte1 = (value >> 2...
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ios Upload Image and Text using HTTP POST

Thanks for reading. 10 Answers 10 ...
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Hidden Features of PHP? [closed]

...n gets my vote. I haven't encountered a more thorough online documentation for a programming language - everything else I have to piece together from various websites and man pages. share ...
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Delete files older than 15 days using PowerShell

...y empty directories that may have been left behind. My code also uses the -Force option to delete hidden and read-only files as well. Also, I chose to not use aliases as the OP is new to PowerShell and may not understand what gci, ?, %, etc. are. $limit = (Get-Date).AddDays(-15) $path = "C:\Some\Pa...
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Getting a list of all subdirectories in the current directory

...you could use os.walk to do this: os.walk(directory) will yield a tuple for each subdirectory. Ths first entry in the 3-tuple is a directory name, so [x[0] for x in os.walk(directory)] should give you all of the subdirectories, recursively. Note that the second entry in the tuple is the list ...
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How to overload __init__ method based on argument type?

... A much neater way to get 'alternate constructors' is to use classmethods. For instance: >>> class MyData: ... def __init__(self, data): ... "Initialize MyData from a sequence" ... self.data = data ... ... @classmethod ... def fromfilename(cls, filename): ....
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What algorithm does Readability use for extracting text from URLs?

For a while, I've been trying to find a way of intelligently extracting the "relevant" text from a URL by eliminating the text related to ads and all the other clutter.After several months of researching, I gave it up as a problem that cannot be accurately determined. (I've tried different ways but ...
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What is the instanceof operator in JavaScript?

...xplanation. When you declare a variable you give it a specific type. For instance: int i; float f; Customer c; The above show you some variables, namely i, f, and c. The types are integer, float and a user defined Customer data type. Types such as the above could be for any language, not ju...
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MFC CSplitterWnd的用法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术

...rWnd类的Create或CreateStatic()函数; 例子: CSplitterWnd m_wndSplitter; BOOL CChildFrame::OnCreateClient( LPCREATESTRUCT lpcs, CCreateContext* pContext) {   BOOL bCreateSpltr = m_wndSplitter.CreateStatic( this, 2, 1);   // COneView and CAnotherView are use...
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Which is better in python, del or delattr?

This may be silly, but it's been nagging the back of my brain for a while. 8 Answers ...