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What is the “assert” function?

...ed java-samples that gets this so wrong. – underscore_d Jul 11 '16 at 18:43 add a comment ...
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MAC addresses in JavaScript

....ConnectServer("."); var properties = s.ExecQuery("SELECT * FROM Win32_NetworkAdapterConfiguration"); var e = new Enumerator(properties); var output; output = '<table border="0" cellPadding="5px" cellSpacing="1px" bgColor="#CCCCCC">'; output = output + '<tr bgColor=...
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What does $(function() {} ); do?

...thand for $(document).ready(), as in: $(document).ready(function() { YOUR_CODE_HERE });. Sometimes you have to use it because your function is running before the DOM finishes loading. Everything is explained here: http://docs.jquery.com/Tutorials:Introducing_$(document).ready() ...
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How do I split a multi-line string into multiple lines?

...df 2 sfasdf asdfgadfg 1 asfasdf sdfasdgf """ text = text.splitlines() rows_to_print = {} for line in range(len(text)): if text[line][0] == '1': rows_to_print = rows_to_print | {line, line + 1} rows_to_print = sorted(list(rows_to_print)) for i in rows_to_print: print(text[i]) ...
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How can I get the current language in Django?

... Functions of particular interest are django.utils.translation.get_language() which returns the language used in the current thread. See documentation. share | improve this answer ...
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Remove non-utf8 characters from string

... times ) | . # anything else /x END; preg_replace($regex, '$1', $text); It searches for UTF-8 sequences, and captures those into group 1. It also matches single bytes that could not be identified as part of a UTF-8 sequence, but does not capture those. Replacement...
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Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize

...d was moved to native memory. So in order to remove this message edit MAVEN_OPTS Environment User Variable: Java 7 MAVEN_OPTS -Xmx512m -XX:MaxPermSize=128m Java 8 MAVEN_OPTS -Xmx512m share | i...
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What's the shebang/hashbang (#!) in Facebook and new Twitter URLs for?

.../ajax.html#!key=value, Google will check the URL www.example.com/ajax.html?_escaped_fragment_=key=value to fetch a non-AJAX version of the contents. share | improve this answer | ...
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How to sort an array in descending order in Ruby

... { ary.sort{ |a,b| a[:bar] <=> b[:bar] }.reverse } } x.report("sort_by -a[:bar]") { n.times { ary.sort_by{ |a| -a[:bar] } } } x.report("sort_by a[:bar]*-1") { n.times { ary.sort_by{ |a| a[:bar]*-1 } } } x.report("sort_by.reverse!") { n.times { ary.sort_by{ |a| a[:bar] }.reverse } } e...
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How do I install pip on macOS or OS X?

... UPDATE (Jan 2019): easy_install has been deprecated. Please use get-pip.py instead: curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py Old answer: easy_install pip If you need admin privileges to run this, try: sudo easy_install pip...