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PHP random string generator

...ia, It's better "wasting" an extra variable as of calling an method in the compare condition of an loop. – Rico Sonntag Aug 16 '13 at 8:58 210 ...
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When should we use mutex and when should we use semaphore

...l /* Task 2 - Consumer */ sema_wait(&sem); // Wait for signal See http://www.netrino.com/node/202 for further explanations share | improve this answer | follow ...
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Any way to replace characters on Swift String?

...n leaves me with and optional string. Original String looks like this: "x86_64" and the new mapping looks like "Optional([\"x\", \"8\", \"6\", \"_\", \"6\", \"4\"])" – John Shelley Oct 19 '15 at 15:07 ...
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How to do a regular expression replace in MySQL?

...ng regular expressions. You could find my post at the following location: http://techras.wordpress.com/2011/06/02/regex-replace-for-mysql/ Here is the function code: DELIMITER $$ CREATE FUNCTION `regex_replace`(pattern VARCHAR(1000),replacement VARCHAR(1000),original VARCHAR(1000)) RETURNS VAR...
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Immutable vs Mutable types

... pass by value in C. A counterexample to your analogy is if you do def f(my_list): my_list = [1, 2, 3]. With pass-by-reference in C, the value of the argument could change by calling that function. In Python, that function doesn't do anything. def f(my_list): my_list[:] = [1, 2, 3] would do somethin...
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How to ALTER multiple columns at once in SQL Server

...LE statements. Try following: ALTER TABLE tblcommodityOHLC alter column CC_CommodityContractID NUMERIC(18,0); ALTER TABLE tblcommodityOHLC alter column CM_CommodityID NUMERIC(18,0); share | improv...
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Relation between CommonJS, AMD and RequireJS?

...Default from "my-module"; you will get require again. "use strict"; var _myModule = require("my-module"); var _myModule2 = _interopRequireDefault(_myModule); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } This is because require means the...
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Entity Framework: How to disable lazy loading for specific query?

...eUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
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How does C compute sin() and other math functions?

...deps/ieee754/dbl-64/s_sin.c, look for __sin (double x). This code is very complex. No one software algorithm is as fast as possible and also accurate over the whole range of x values, so the library implements several different algorithms, and its first job is to look at x and decide which algorith...
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PHP calculate age

... formats are disambiguated by looking at the separator between the various components: if the separator is a slash (/), then the American m/d/y is assumed; whereas if the separator is a dash (-) or a dot (.), then the European d-m-y format is assumed. php.net/manual/en/function.strtotime.php ...