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Getting the ID of the element that fired an event

... triggered the event, where event is the parameter passed to the function. http://api.jquery.com/category/events/event-object/ $(document).ready(function() { $("a").click(function(event) { alert(event.target.id); }); }); Note also that this will also work, but that it is not a jQu...
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Export CSS changes from inspector (webkit, firebug, etc)

...SS changes you made in Chrome Inspector and outputs valid CSS as the diff: https://chrome.google.com/webstore/detail/styleurl/emplcligcppnlalfjknjbanolhlnkmgp Here's an example where I added "padding-bottom: 50px" to this page: It's open-source and on GitHub too: https://github.com/Jarred-Sumner/...
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Changing password with Oracle SQL Developer

...this point you can right click a data source and reset your password. See http://www.thatjeffsmith.com/archive/2012/11/resetting-your-oracle-user-password-with-sql-developer/ for a complete walk-through Also see the comment in the oracle docs: http://docs.oracle.com/cd/E35137_01/appdev.32/e35117/...
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Mvn install or Mvn package

... from http://maven.apache.org/guides/getting-started/maven-in-five-minutes.html package: take the compiled code and package it in its distributable format, such as a JAR. install: install the package into the local repos...
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Where in a virtualenv does the custom code go?

...d tear down virtualenvs it would make sense to look at virtualenvwrapper. http://pypi.python.org/pypi/virtualenvwrapper With virtualenvwrapper you can * create and delete virtual environments * organize virtual environments in a central place * easily switch between environments You no more ...
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Checking for empty queryset in Django

... the documentation too, for instance: docs.djangoproject.com/en/1.8/topics/http/shortcuts/#id7 – Wtower May 22 '15 at 9:02 1 ...
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Append a dictionary to a dictionary [duplicate]

...ons.ChainMap", but I just discovered that it was only added in Python 3.3: https://docs.python.org/3.3/library/collections.html#chainmap-objects You can try to crib the class from the 3.3 source though: http://hg.python.org/cpython/file/3.3/Lib/collections/init.py#l763 Here is a less feature-full ...
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The written versions of the logical operators

...y are real keywords. In C, they're macros defined in <iso646.h>. See http://web.archive.org/web/20120123073126/http://www.dinkumware.com/manuals/?manual=compleat&page=iso646.html. share | ...
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“for” vs “each” in Ruby

... loop1[1].call two => nil loop2[1].call three => nil source: http://paulphilippov.com/articles/enumerable-each-vs-for-loops-in-ruby for more clear: http://www.ruby-forum.com/topic/179264#784884 share ...
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How do I move a file with Ruby?

... Use the module 'fileutils' and use FileUtils.mv: http://www.ruby-doc.org/stdlib-2.0/libdoc/fileutils/rdoc/FileUtils.html#method-c-mv share | improve this answer | ...