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What are the most common SQL anti-patterns? [closed]

All of us who work with relational databases have learned (or are learning) that SQL is different. Eliciting the desired results, and doing so efficiently, involves a tedious process partly characterized by learning unfamiliar paradigms, and finding out that some of our most familiar programming p...
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Getting file size in Python? [duplicate]

... Thanks you all. I don't know if you can reply to all posts at once, so I'll just rply to the last answerer. I can't seem to get it to work. ` File "C:\\python\lib\genericpath.py", line 49, in getsize return os.stat(filename).st_siz...
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Partly cherry-picking a commit with Git

...etting you decide whether each hunk should go in, and even letting you manually edit the patch if necessary. To use it in combination with cherry-pick: git cherry-pick -n <commit> # get your patch, but don't commit (-n = --no-commit) git reset # unstage the changes from the...
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How to debug a bash script? [closed]

...ug a bash script? E.g something that prints a sort of execution log like "calling line 1", "calling line 2" etc. 12 Answers...
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Java synchronized method lock on object, or method?

... anyway. That's a bit misleading. Synchronizing on the method is functionally equivalent to having a synchronized (this) block around the body of the method. The object "this" doesn't become locked, rather the object "this" is used as the mutex and the body is prevented from executing concurrentl...
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Are (non-void) self-closing tags valid in HTML5?

... In HTML 4, <foo / (yes, with no > at all) means <foo> (which leads to <br /> meaning <br>> (i.e. <br>>) and <title/hello/ meaning <title>hello</title>). This is an SGML rule that browsers did a very poor job of su...
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Prevent onmouseout when hovering child element of the parent absolute div WITHOUT jQuery

...Listener('mouseout',onMouseOut,true); I made a quick JsFiddle demo, with all the CSS and HTML needed, check it out... EDIT FIXED link for cross-browser support http://jsfiddle.net/RH3tA/9/ NOTE that this only checks the immediate parent, if the parent div had nested children then you have to s...
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Override valueof() and toString() in Java enum

...o have spaces in them, but enums can't have spaces in their values so it's all bunched up. I want to override toString() to add these spaces where I tell it to. ...
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Visual C++: How to disable specific linker warnings?

... /wd4099 will not work), but what you can do instead is patch link.exe (usually C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\bin\link.exe) to remove it from said list . Sounds like a jackhammer, i know. It works though. For instance, if you want to remove the warning for 4099, open link.e...
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How to delete an element from an array in C#

... If you want to remove all instances of 4 without needing to know the index: LINQ: (.NET Framework 3.5) int[] numbers = { 1, 3, 4, 9, 2 }; int numToRemove = 4; numbers = numbers.Where(val => val != numToRemove).ToArray(); Non-LINQ: (.NET Fra...