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Open existing file, append a single line
I want to open a text file, append a single line to it, then close it.
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Interview question: Check if one string is a rotation of other string [closed]
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Code Golf: Lasers
The shortest code by character count to input a 2D representation of a board, and output 'true' or 'false' according to the input .
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Error-Handling in Swift-Language
I haven't read too much into Swift but one thing I noticed is that there are no exceptions.
So how do they do error handling in Swift? Has anyone found anything related to error-handling?
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Logging in Scala
What is a good way to do logging in a Scala application? Something that is consistent with the language philosophy, does not clutter the code, and is low-maintenance and unobtrusive. Here's a basic requirement list:
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Sending and Receiving SMS and MMS in Android (pre Kit Kat Android 4.4)
I have figured out how to send and receive SMS messages. To send SMS messages I had to call the sendTextMessage() and sendMultipartTextMessage() methods of the SmsManager class. To receive SMS messages, I had to register a receiver in the AndroidMainfest.xml file. Then I had to override t...
Interfaces vs. abstract classes [duplicate]
In C#, when should you use interfaces and when should you use abstract classes? What can be the deciding factor?
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How to add images in select list?
I have a select list of genders.
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Run Java Code Online [closed]
codepad.org allow you to run C,C++,D etc code online but not Java... is there a site that I can use for Java?
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Loop through an array in JavaScript
In Java you can use a for loop to traverse objects in an array as follows:
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