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How to make MySQL handle UTF-8 properly

... My understanding is that utf8 within MySQL only refers to a small subset of full Unicode. You should use utf8mb4 instead to force full support. See mathiasbynens.be/notes/mysql-utf8mb4 "For a long time, I was using MySQL’s utf8 charset for databases, tables, and columns, assuming i...
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GET URL parameter in PHP

...perglobal: a built-in variable that's populated by PHP and is available in all scopes (you can use it from inside a function without the global keyword). Since the variable might not exist, you could (and should) ensure your code does not trigger notices with: <?php if (isset($_GET['link'])) { ...
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How do I get a Cron like scheduler in Python? [closed]

... suppose this code is in scheduler.py. will this code run automatically ? – Kishan Mehta Mar 6 '17 at 11:40 31 ...
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How to terminate a Python script

...ed by raising the SystemExit exception, so cleanup actions specified by finally clauses of try statements are honored, and it is possible to intercept the exit attempt at an outer level. The optional argument arg can be an integer giving the exit status (defaulting to zero), or another type of obj...
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When should I really use noexcept?

...ne with no overhead except jump tables which map potentially throwing call site addresses to handler entry points. Removing those tables is as close as it gets to removing exception handling completely. The only difference is executable file size. Probably not worth mentioning anything. ...
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What's “wrong” with C++ wchar_t and wstrings? What are some alternatives to wide characters?

...e wchar_t is a distinct type whose values can represent distinct codes for all members of the largest extended character set specified among the supported locales (22.3.1).                                                              ...
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JavaScript Regular Expression Email Validation [duplicate]

... If you define your regular expression as a string then all backslashes need to be escaped, so instead of '\w' you should have '\\w'. Alternatively, define it as a regular expression: var pattern = /^\w+@[a-zA-Z_]+?\.[a-zA-Z]{2,3}$/; BTW, please don't validate email address...
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How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar

... I actually just implemented this on one of my projects (your question and the other wrong answer hinted at what to do). I tried Sergio's answer but had exception issues when actually running on a device. Yes you create two fetch ...
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Making custom right-click context menus for my web-app

...is through google as I did. I based my solution on @Andrew's one, but basically modified everything afterwards. EDIT: seeing how popular this has been lately, I decided to update also the styles to make it look more like 2014 and less like windows 95. I fixed the bugs @Quantico and @Trengot spotted...
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Why shouldn't I use mysql_* functions in PHP?

... The MySQL extension: Is not under active development Is officially deprecated as of PHP 5.5 (released June 2013). Has been removed entirely as of PHP 7.0 (released December 2015) This means that as of 31 Dec 2018 it does not exist in any supported version of PHP. If you are using a ve...