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What is “Orthogonality”?

...gn, operations do not have side effects; each action (whether it's an API call, a macro invocation, or a language operation) changes just one thing without affecting others. There is one and only one way to change each property of whatever system you are controlling. ...
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Retrieving the output of subprocess.call() [duplicate]

How can I get the output of a process run using subprocess.call() ? 7 Answers 7 ...
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Returning JSON from a PHP Script

... While you're usually fine without it, you can and should set the Content-Type header: <?php $data = /** whatever you're serializing **/; header('Content-Type: application/json'); echo json_encode($data); If I'm not using a particular fra...
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What is the meaning of the prefix N in T-SQL statements and when should I use it?

...efix - I wasn't able to fix it for two days. My database collation is SQL_Latin1_General_CP1_CI_AS. It has a table with a column called MyCol1. It is an Nvarchar This query fails to match Exact Value That Exists. SELECT TOP 1 * FROM myTable1 WHERE MyCol1 = 'ESKİ' // 0 result using pref...
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How to replace a character with a newline in Emacs?

... C-q is really quote-insert which quotes the next character. – Joe Casadonte Mar 5 '09 at 2:17 2 ...
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How to see which commits in one branch aren't in the other?

...rence. For example, if you have two branches, A and B, a usual way to list all commits on only one side of them is with --left-right, like the example above in the description of that option. It however shows the commits that were cherry-picked from the other branch (for example, "3rd on b" may be c...
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How to sum up elements of a C++ vector?

What are the good ways of finding the sum of all the elements in a std::vector ? 11 Answers ...
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Different floating point result with optimization enabled - compiler bug?

... Intel x86 processors use 80-bit extended precision internally, whereas double is normally 64-bit wide. Different optimization levels affect how often floating point values from CPU get saved into memory and thus rounded from 80-bit precision to 64-bit precision. Use the -ffloat-st...
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How do I use InputFilter to limit characters in an EditText in Android?

... actually it doesn't work as well in newer Androids (like 4.0+). They introduce dictionary suggestions above the keyboard. When you type a common word (let's say "the") followed by an illegal character for this filter (say, "-"), ...
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Using HTML5/JavaScript to generate and save a file

...me, thanks to Matthew and Dennkster pointing that option out! Here is basically how I do it: 1) get all the content into a string called "content" (e.g. by creating it there initially or by reading innerHTML of the tag of an already built page). 2) Build the data URI: uriContent = "data:applicat...