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When should I use double or single quotes in JavaScript?
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The most likely reason for use of single vs. double in different libraries is programmer preference and/or API consistency. Other than being consistent, use whichever best suits the string.
Using the other type of quote as a literal:
alert('Say "Hel...
What is a mixin, and why are they useful?
... "mixins". I'm from a C/C++/C# background and I have not heard the term before. What is a mixin?
16 Answers
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How to iterate through range of Dates in Java?
In my script I need to perform a set of actions through range of dates, given a start and end date.
Please provide me guidance to achieve this using Java.
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Disabling and enabling a html input button
...).disabled = false;
Demo Here
Using jQuery
All versions of jQuery prior to 1.6
Disabling a html button
$('#Button').attr('disabled','disabled');
Enabling a html button
$('#Button').removeAttr('disabled');
Demo Here
All versions of jQuery after 1.6
Disabling a html button
$('#Button'...
UIView Infinite 360 degree rotation animation?
...rying to rotate a UIImageView 360 degrees, and have looked at several tutorials online. I could get none of them working, without the UIView either stopping, or jumping to a new position.
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dplyr summarise: Equivalent of “.drop=FALSE” to keep groups with zero length in output
When using summarise with plyr 's ddply function, empty categories are dropped by default. You can change this behavior by adding .drop = FALSE . However, this doesn't work when using summarise with dplyr . Is there another way to keep empty categories in the result?
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Swift - which types to use? NSString or String
...s seem to not be automatically bridged as of this moment. See this answer for a discussion on how to get the a String's length and this answer for a discussion on using containsString() to check for substrings. (Disclaimer: I'm the author for both of these answers)
I haven't fully explored other da...
Simplest way to check if key exists in object using CoffeeScript
...y values: val in arr will test whether val is in arr.)
thejh's answer is correct if you want to ignore the object's prototype. Jimmy's answer is correct if you want to ignore keys with a null or undefined value.
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.htaccess not working apache
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First, note that restarting httpd is not necessary for .htaccess files. .htaccess files are specifically for people who don't have root - ie, don't have access to the httpd server config file, and can't restart the server. As you're able to restart the server, you don't need ....
Can git operate in “silent mode”?
Is it possible to execute any git command in "silent" mode? For instance, can i say " git push origin " and see nothing displayed on the screen?
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