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strdup() - what does it do in C?
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Exactly what it sounds like, assuming you're used to the abbreviated way in which C and UNIX assigns words, it duplicates strings :-)
Keeping in mind it's actually not part of the ISO C standard itself(a) (it's a POSIX thing), it's effectively doing the same as the following code:
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Fastest way to tell if two files have the same contents in Unix/Linux?
...do this a for a lot of files, and in my script the diff command seems to be the performance bottleneck.
9 Answers
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Design Pattern for Undo Engine
...nginering application. I have one huge model class representing the entire building, which include collections of nodes, line elements, loads, etc. which are also custom classes.
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Java Immutable Collections
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Unmodifiable collections are usually read-only views (wrappers) of other collections. You can't add, remove or clear them, but the underlying collection can change.
Immutable collections can't be changed at all - they don't wrap anot...
How do you find all subclasses of a given class in Java?
How does one go about and try to find all subclasses of a given class (or all implementors of a given interface) in Java?
As of now, I have a method to do this, but I find it quite inefficient (to say the least).
The method is:
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How to detect when an Android app goes to the background and come back to the foreground
I am trying to write an app that does something specific when it is brought back to the foreground after some amount of time. Is there a way to detect when an app is sent to the background or brought to the foreground?
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“std::endl” vs “\n”
Many C++ books contain example code like this...
12 Answers
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Can I save the window layout in Visual Studio 2010/2012/2013?
...gs that relate to your current window layout to a file. Uncheck everything but "General Settings" > "Window Layouts", and save the file somewhere you'll be able to find it later.
Then, you can use the "Import and Export Settings Wizard" again to import that settings file, restoring all of your t...
Why is the tag deprecated in HTML?
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The <center> element was deprecated because it defines the presentation of its contents — it does not describe its contents.
One method of centering is to set the margin-left and margin-right properties of the element to auto, and then set the parent element...
Is it possible to set transparency in CSS3 box-shadow?
Is it possible to set transparency on the box shadow?
1 Answer
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