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How to increase IDE memory limit in IntelliJ IDEA on Mac?
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Here is a link to the latest documentation as of today http://www.jetbrains.com/idea/webhelp/increasing-memory-heap.html
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Setting CSS pseudo-class rules from JavaScript
... ID to allow it to be selected.
In theory the document you want is http://www.w3.org/TR/DOM-Level-2-Style/Overview.html which means you can (given a pre-existing embedded or linked stylesheet) using syntax like:
document.styleSheets[0].insertRule('#elid:hover { background-color: red; }', 0);
docum...
Convert date to another timezone in JavaScript
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Stolen shamelessly from: http://www.techrepublic.com/article/convert-the-local-time-to-another-time-zone-with-this-javascript/6016329
/**
* function to calculate local time
* in a different city
* given the city's UTC offset
*/
function calcTime(cit...
HTML5 Email Validation
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The input type=email page of the www.w3.org site notes that an email address is any string which matches the following regular expression:
/^[a-zA-Z0-9.!#$%&’*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]+)*$/
Use the required attribute and a patter...
How to create PDF files in Python [closed]
... help. This article examines one of those for Python.
Read more at http://www.devshed.com/c/a/Python/Python-for-PDF-Generation/#whoCFCPh3TAks368.99
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How can I create a directly-executable cross-platform GUI app using Python?
...t project of mine when py2exe would not. I found it easier to use.
http://www.pyinstaller.org/
Pyinstaller is based on Gordon McMillan's Python Installer. Which is no longer available.
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How do you use a variable in a regular expression?
...utes);
is equivalent to this:
var txt=/pattern/attributes;
See http://www.w3schools.com/jsref/jsref_obj_regexp.asp.
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Semi-transparent color layer over background-image?
...ckground: linear-gradient(rgba(0,0,0,.5), rgba(0,0,0,.5)),
url('http://www.imageurl.com');
}
This is because the linear gradient function creates an Image which is added to the background stack. https://developer.mozilla.org/en-US/docs/Web/CSS/linear-gradient
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Set a cookie to never expire
...transmit an Age header with a value of
2147483648 (2^31).
http://www.faqs.org/rfcs/rfc2616.html
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Can't find the 'libpq-fe.h header when trying to install pg gem
...t of the libpq-dev package (at least in the following Ubuntu versions:
11.04 (Natty Narwhal), 10.04 (Lucid Lynx), 11.10 (Oneiric Ocelot), 12.04 (Precise Pangolin), 14.04 (Trusty Tahr) and 18.04 (Bionic Beaver)):
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/usr/include/postgresql/libpq-fe.h
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So try installing libpq-dev or its equiva...