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Simple way to transpose columns and rows in SQL?
How do I simply switch columns with rows in SQL?
Is there any simple command to transpose?
9 Answers
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Add an already existing directory to a directory in Solution Explorer
...irectory in Solution Explorer, but whenever I right-click on the directory and select Add => Existing Item , I can only add individual files, but not directories.
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How to move a model between two Django apps (Django 1.7)
So about a year ago I started a project and like all new developers I didn't really focus too much on the structure, however now I am further along with Django it has started to appear that my project layout mainly my models are horrible in structure.
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Will Emacs make me a better programmer? [closed]
...re-paying the start-up cost of learning how to modify it to suit my needs, and modifying myself to its needs.
But other people do things differently, and as they say "That's OK".
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Define global variable in a JavaScript function
...object. (In the latest specification, ECMAScript 2015, the new let, const, and class statements at global scope create globals that aren't properties of the global object; a new concept in ES2015.)
(There's also the horror of implicit globals, but don't do it on purpose and do your best to avoid do...
Using arrays or std::vectors in C++, what's the performance gap?
...hould be avoided. There is the problem you have to keep track of the size, and you need to delete them manually and do all sort of housekeeping.
Using arrays on the stack is also discouraged because you don't have range checking, and passing the array around will lose any information about its siz...
Why do enum permissions often have 0, 1, 2, 4 values?
Why are people always using enum values like 0, 1, 2, 4, 8 and not 0, 1, 2, 3, 4 ?
7 Answers
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Why do Lua arrays(tables) start at 1 instead of 0?
I don't understand the rationale behind the decision of this part of Lua. Why does indexing start at 1? I have read (as many others did) this great paper . It seems to me a strange corner of a language that is very pleasant to learn and program. Don't get me wrong, Lua is just great but there has t...
Combining CSS Pseudo-elements, “:after” the “:last-child”
...pe: none; }
li:after { content: ", "; }
li:last-child:before { content: "and "; }
li:last-child:after { content: "."; }
<html>
<body>
<ul>
<li>One</li>
<li>Two</li>
<li>Three</li>
</ul>
</body>...
Separating class code into a header and cpp file
I am confused on how to separate implementation and declarations code of a simple class into a new header and cpp file. For example, how would I separate the code for the following class?
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