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Daylight saving time and time zone best practices [closed]
...hanged from the original value recorded.
When scheduling future events, usually local time is preferred instead of UTC, as it is common for the offset to change. See answer, and blog post.
When storing whole dates, such as birthdays and anniversaries, do not convert to UTC or any other time zone.
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Remove the last line from a file in Bash
...e, while $ means "the last line in the file". When specifying a location (called "range" in sed lingo) before a command, that command is only applied to the specified location. So, this command explicitly says "in the range of the last line in a file, delete it". Quite slick and straight to the poin...
Why use 'git rm' to remove a file instead of 'rm'?
...ml
rm 'index.html'
$ git status -s
D index.html
However you can do this all in one go with just git rm
$ git status -s
$ git rm index.html
rm 'index.html'
$ ls
lib vendor
$ git status -s
D index.html
share
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Match two strings in one line with grep
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To search for files containing all the words in any order anywhere:
grep -ril \'action\' | xargs grep -il \'model\' | xargs grep -il \'view_type\'
The first grep kicks off a recursive search (r), ignoring case (i) and listing (printing out) the name of ...
How to update Ruby to 1.9.x on Mac?
...ve) RVM (Ruby Version Manager) is the Standard for upgrading your Ruby installation on OSX: https://rvm.io
To get started, open a Terminal Window and issue the following command:
\curl -L https://get.rvm.io | bash -s stable --ruby
( you will need to trust the RVM Dev Team that the command is no...
How to increase heap size of an android application?
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the developers of android api are really funny , they are like you want more Heap ? Ok request it , it's only for those who need it... meanwhile every developer is adding it as first thing to add when the app comes to production :)
– Andro...
How can I launch multiple instances of MonoDevelop on the Mac?
...u have a solution already open, and the checkbox only appears when you actually select a solution or project in the dialog.
– Mikayla Hutchinson
Oct 14 '10 at 23:08
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Xcode suddenly stopped running project on hardware: “Could not launch xxx.app: .. No such file..” [c
...tarted directly after I deleted it from the device and attempted to re-install by rerunning it in Xcode (something I've done hundreds of times before).
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Best way to define private methods for a class in Objective-C
...you can create a category with an empty name (i.e. @interface MyClass ()) called Class Extension. What's unique about a class extension is that the method implementations must go in the same @implementation MyClass as the public methods. So I structure my classes like this:
In the .h file:
@interf...
How to detect page zoom level in all modern browsers?
...n bigger mess than it was when this question was first asked. From reading all the responses and blog posts I could find, here's a summary. I also set up this page to test all these methods of measuring the zoom level.
Edit (2011-12-12): I've added a project that can be cloned: https://github.com/t...