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How do I specify new lines on Python, when writing on files?
In comparison to Java (in a string), you would do something like "First Line\r\nSecond Line" .
13 Answers
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C++ equivalent of StringBuffer/StringBuilder?
Is there a C++ Standard Template Library class that provides efficient string concatenation functionality, similar to C#'s StringBuilder or Java's StringBuffer ?
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Begin, Rescue and Ensure in Ruby?
I've recently started programming in Ruby, and I am looking at exception handling.
7 Answers
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Can “this” ever be null in Java?
Saw this line in a class method and my first reaction was to ridicule the developer that wrote it.. But then, I figured I should make sure I was right first.
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Android emulator shows nothing except black screen and adb devices shows “device offline”
I am just trying to start development in Android.
So, the problem is that when I try to launch an emulator by issuing the command emulator @A2 , an emulator comes up on the screen. But even after waiting for as long as 2-3 hrs, all it shows is a black screen. Not even the android home screen or t...
Portable way to get file size (in bytes) in shell?
On Linux, I use stat --format="%s" FILE , but Solaris I have access to doesn't have stat command. What should I use then?
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How do I tidy up an HTML file's indentation in VI?
How do I fix the indentation of his huge html files which was all messed up?
11 Answers
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How can I measure the similarity between two images? [closed]
I would like to compare a screenshot of one application (could be a Web page) with a previously taken screenshot to determine whether the application is displaying itself correctly. I don't want an exact match comparison, because the aspect could be slightly different (in the case of a Web app, depe...
Creating a temporary directory in Windows?
What's the best way to get a temp directory name in Windows? I see that I can use GetTempPath and GetTempFileName to create a temporary file, but is there any equivalent to the Linux / BSD mkdtemp function for creating a temporary directory?
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Convert an image to grayscale in HTML/CSS
Is there a simple way to display a color bitmap in grayscale with just HTML/CSS ?
25 Answers
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