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What Vim command(s) can be used to quote/unquote words?
...tes.
Change single quotes to double quotes
va':s/\%V'\%V/"/g
va' - Visually select the quoted word and the quotes.
:s/ - Start a replacement.
\%V'\%V - Only match single quotes that are within the visually selected region.
/"/g - Replace them all with double quotes.
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Deprecated: mysql_connect()
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Turn off all deprecated warnings including them from mysql_*:
<?php
error_reporting(E_ALL ^ E_DEPRECATED);
The Exact file and line location which needs to be replaced is "/System/Startup.php > line: 2 " error_reporting(E_All); replace with error_reporting(E_ALL ^ E_DEPRECATED);
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Delete a line in Eclipse
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Ctrl + D
From Help->Key Assist... there are all kinds of useful keyboard shortcuts for Eclipse.
For Mac users: ⌘ + D
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Explicit specialization in non-namespace scope [duplicate]
Compiling this under g++ gives the following error:
5 Answers
5
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Run php script as daemon process
... script!
# Note, in this example, if your PHP script returns
# the string "ERROR", the daemon will stop itself.
script
[ $(exec /usr/bin/php -f /path/to/your/script.php) = 'ERROR' ] && ( stop; exit 1; )
end script
Starting & stopping your daemon:
sudo service myphpworker start
sud...
Calculating distance between two points, using latitude longitude?
... code given by Dommer above gives slightly incorrect results but the small errors add up if you are processing say a GPS track. Here is an implementation of the Haversine method in Java which also takes into account height differences between two points.
/**
* Calculate distance between two points...
How to enable C++11/C++0x support in Eclipse CDT?
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Did this remove spurious editor errors? I have no problem with compiling, and new std types are recognised, but I can't get rid of editor syntax errors for range based for loops and rvalue references &&.
– juanchopanza
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How to check if element has any children in Javascript?
... about child elements (as opposed to text nodes, attribute nodes, etc.) on all modern browsers (and IE8 — in fact, even IE6) you can do this: (thank you Florian!)
if (element.children.length > 0) { // Or just `if (element.children.length)`
// It has at least one element as a child
}
Tha...
Mac zip compress without __MACOSX folder?
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It throws an error if the .DS_Store folder is not present in the archive. I suggest an improvement by adding ` || true` after each zip command (such as zip -d "$p" __MACOSX/\* || true into your answer.
– adamsfamily
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Django DB Settings 'Improperly Configured' Error
...the Python interpreter (Python 3) to check some things, I get the weirdest error when I try importing - from django.contrib.auth.models import User -
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