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Converting String to Int with Swift
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Basic Idea, note that this only works in Swift 1.x (check out ParaSara's answer to see how it works in Swift 2.x):
// toInt returns optional that's why we used a:Int?
let a:Int? = firstText.text.toInt() // firstText is UITextField
let b...
“No newline at end of file” compiler warning
What is the reason for the following warning in some C++ compilers?
11 Answers
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Meaning of Choreographer messages in Logcat [duplicate]
...at I'm quite sure, I haven't seen before. Does anyone have an idea about this?
5 Answers
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How do I get the current GPS location programmatically in Android?
...n to get current location's GPS coordinates.
Complete example source code is in Get Current Location coordinates , City name - in Android.
See how it works:
All we need to do is add this permission in the manifest file:
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION...
Java List.add() UnsupportedOperationException
I try to add objects to a List<String> instance but it throws an UnsupportedOperationException .
Does anyone know why?
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A positive lambda: '+[]{}' - What sorcery is this? [duplicate]
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Yes, the code is standard conforming. The + triggers a conversion to a plain old function pointer for the lambda.
What happens is this:
The compiler sees the first lambda ([]{}) and generates a closure object according to §5.1.2. As the l...
How to check type of variable in Java?
How can I check to make sure my variable is an int, array, double, etc...?
13 Answers
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Is there a replacement for unistd.h for Windows (Visual C)?
...atively simple console program written for Unix to the Windows platform ( Visual C++ 8.0 ). All the source files include "unistd.h", which doesn't exist. Removing it, I get complaints about misssing prototypes for 'srandom', 'random', and 'getopt'.
I know I can replace the random functions, and I'm...
Git workflow and rebase vs merge questions
...have massive evolutions on the same set of files.
The reason why a rebase is then better than a merge is that:
you rewrite your local commit history with the one of the master (and then reapply your work, resolving any conflict then)
the final merge will certainly be a "fast forward" one, because...
ValueError: invalid literal for int() with base 10: ''
... am creating a program that reads a file and if the first line of the file is not blank, it reads the next four lines. Calculations are performed on those lines and then the next line is read. If that line is not empty it continues. However, I am getting this error:
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