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SQL Server indexes - ascending or descending, what difference does it make?

...r number of columns in MS SQL Server (I'm using version 2005), you can specify that the index on each column be either ascending or descending. I'm having a hard time understanding why this choice is even here. Using binary sort techniques, wouldn't a lookup be just as fast either way? What differen...
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Can I install Python 3.x and 2.x on the same Windows computer?

...ude C:\Python27\;C:\Python27\Scripts\;C:\Python34\;C:\Python34\Scripts\; Now in command line you can use python for 2.7 and python3 for 3.4. share | improve this answer | f...
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How do I center align horizontal menu?

... involves a widthless float wrapper that is floated to the left and then shifted off screen to the left width position:relative; left:-50%. Next the nested inner element is reversed and a relative position of +50% is applied. This has the effect of placing the element dead in the center. Relative po...
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OS detecting makefile

I routinely work on several different computers and several different operating systems, which are Mac OS X, Linux, or Solaris. For the project I'm working on, I pull my code from a remote git repository. ...
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Set up adb on Mac OS X

... Has now moved to cask: brew cask install android-platform-tools – hoju Apr 7 '17 at 14:53 ...
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How to automate createsuperuser on django?

... This seems a great answer. I still don't know where in the project does this piece of code fit? – Pablo Ruiz Ruiz Oct 27 '19 at 13:23 1 ...
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what is the best way to convert a json formatted key value pair to ruby hash with symbol as key?

...you want to preserve that mix upon decode (for instance, this could happen if your hash contains your own custom objects in addition to highly complex/nested third-party objects whose keys you cannot manipulate/convert for whatever reason, like a project time constraint). E.g.: h = { :youtub...
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Why is it not possible to extend annotations in Java?

...ic Tools”. … “Specific Tools” — Programs that query known annotation types of arbitrary external programs. Stub generators, for example, fall into this category. These programs will read annotated classes without loading them into the virtual machine, but will load ...
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What is the Difference Between read() and recv() , and Between send() and write()?

... error. For the caller, the behavior is the same. The caller may not even know anything about datagrams (it may not know that this is a socket and not a file, it may not know that this is a datagram socket and not a stream socket). That the datagram stays pending is implicit knowledge about how IP s...
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NSAttributedString add text alignment

...alignment; CTParagraphStyleSetting settings[1] = {alignmentSetting}; size_t settingsCount = 1; CTParagraphStyleRef paragraphRef = CTParagraphStyleCreate(settings, settingsCount); NSDictionary *attributes = @{(__bridge id)kCTParagraphStyleAttributeName : (__bridge id)paragraphRef}; NSAttributedStri...