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How to simplify a null-safe compareTo() implementation?
I'm implementing compareTo() method for a simple class such as this (to be able to use Collections.sort() and other goodies offered by the Java platform):
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How to convert int to NSString?
I'd like to convert an int to a NSString in Objective C.
4 Answers
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python exception message capturing
This doesn't seem to work, I get syntax error, what is the proper way of doing this for logging all kind of exceptions to a file
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Difference between JSONObject and JSONArray
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When you are working with JSON data in Android, you would use JSONArray to parse JSON which starts with the array brackets. Arrays in JSON are used to organize a collection of related items (Which could be JSON objects).
For example: [{"name":"item 1"},{"name": "item2} ]
On the other hand, you ...
Best way to disable button in Twitter's Bootstrap [duplicate]
I am confused when it comes to disabling a <button> , <input> or an <a> element with classes: .btn or .btn-primary , with JavaScript/jQuery.
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Detect backspace in empty UITextField
Is there any way to detect when the Backspace / Delete key is pressed in the iPhone keyboard on a UITextField that is empty? I want to know when Backspace is pressed only if the UITextField is empty.
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How to “crop” a rectangular image into a square with CSS?
I know that it is impossible to actually modify an image with CSS, which is why I put crop in quotes.
10 Answers
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www-data permissions?
So I have a directory in /var/www (called cake) and I need to allow www-data to write to it, but I also want to write to it (without having to use sudo). I'm afraid to change the permissions to 777 in case some other user on my machine (or a hacker) attempts to modify files in that directory. How do...
Setting global styles for Views in Android
Let's say I want all the TextView instances in my app to have textColor="#ffffff" . Is there a way to set that in one place instead of setting it for each TextView ?
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How to get jQuery to wait until an effect is finished?
I am sure I read about this the other day but I can't seem to find it anywhere.
I have a fadeOut() event after which I remove the element, but jQuery is removing the element before it has the chance to finish fading out.
How do I get jQuery to wait until the element had faded out, then remov...