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How can I apply a function to every row/column of a matrix in MATLAB?
You can apply a function to every item in a vector by saying, for example, v + 1 , or you can use the function arrayfun . How can I do it for every row/column of a matrix without using a for loop?
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The tilde operator in C
I've seen the tilde operator used in the ELF hashing algorithm, and I'm curious what it does. (The code is from Eternally Confused .)
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How to select where ID in Array Rails ActiveRecord without exception
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How do I find out what keystore my JVM is using?
I need to import a certificate into my JVM keystore. I am using the following:
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python generator “send” function purpose?
Can someone give me an example of why the "send" function associated with Python generator function exists? I fully understand the yield function. However, the send function is confusing to me. The documentation on this method is convoluted:
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When to use reinterpret_cast?
I am little confused with the applicability of reinterpret_cast vs static_cast . From what I have read the general rules are to use static cast when the types can be interpreted at compile time hence the word static . This is the cast the C++ compiler uses internally for implicit casts also.
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in iPhone App How to detect the screen resolution of the device
In iPhone App,
while running the App on device How to detect the screen resolution of the device on which App is running?
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git selective revert local changes from a file
In my git repo which is tracking a svn repo I have made a number of edits to a single file.
6 Answers
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What's the difference between istringstream, ostringstream and stringstream? / Why not use stringstr
...::stringstream and why shouldn't I just use std::stringstream in every scenario (are there any runtime performance issues?).
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Get an array of list element contents in jQuery
I have a structure like this:
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