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How to set the authorization header using curl

...ion used in HTTP (which is the type curl uses by default) is plain text based, which means it sends username and password only slightly obfuscated, but still fully readable by anyone that sniffs on the network between you and the remote server. To tell curl to use a user and password f...
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Why are floating point numbers inaccurate?

...ould like to stress how much the representation of a number depends on the base you are working in. Consider the fraction 2/3 In good-ol' base 10, we typically write it out as something like 0.666... 0.666 0.667 When we look at those representations, we tend to associate each of them with the ...
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Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C

...a list of many others) is that it tends to artificially favor lookup table based solutions. Since the benchmark is repeating the one operation in a loop, it will often find that using a lookup table that just fits in L1 is the fastest, because everything will hit in L1 every time since there is no c...
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How to take screenshot with Selenium WebDriver

... that does the same thing. There are also methods for: .get_screenshot_as_base64() (for embedding in html) and .get_screenshot_as_png()(for retrieving binary data). and Note that WebElements have a .screenshot() method that works similarly, but only captures the selected element. ...
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error: Unable to find vcvarsall.bat

...vironment variable before calling setup.py. Execute the following command based on the version of Visual Studio installed: Visual Studio 2010 (VS10): SET VS90COMNTOOLS=%VS100COMNTOOLS% Visual Studio 2012 (VS11): SET VS90COMNTOOLS=%VS110COMNTOOLS% Visual Studio 2013 (VS12): SET VS90COMNTOOLS=%VS12...
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What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?

..._t was 32, and it was big-endian. (The platform was Lightspeed C on 680x0-based Macintoshes. I said it was a long time ago.) share | improve this answer | follow ...
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Convert Python dictionary to JSON array

...uously encoding a sequence of arbitrary bytes as an ASCII string - such as base64. >>> import json >>> from base64 import b64encode, b64decode >>> my_dict = {'LeafTemps': '\xff\xff\xff\xff',} >>> my_dict['LeafTemps'] = b64encode(my_dict['LeafTemps']) >>&gt...
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What is the maximum length of a URL in different browsers?

...d SHOULD be able to handle URIs of unbounded length if they provide GET-based forms that could generate such URIs. A server SHOULD return 414 (Request-URI Too Long) status if a URI is longer than the server can handle (see section 10.4.15). That RFC has been obsoleted by RFC7230 which is a...
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现实版《道士下山》:道长老梁的四面人生 - 轻松一刻 - 清泛网 - 专注C/C++...

...空拍下来,发到微博上。有一天,他连着发了11张天空的图片,每张都配上了一句自己写的诗,“山水悠然道写意,云天一色画无边。” 终南山上有山泉,滋养了各种野生果树。老梁熟悉每一种果子。他挖山药豆、采槐花、吃...
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Unable to load DLL 'SQLite.Interop.dll'

... I tried using a <copy> based on the build type but it was not working for unit tests. The OutDir was not correct. By copying the "x86" and "x64" folders I guess sqlite (or maybe .net) found what it needed. Thank you so much! ...