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What is the fastest way to compute sin and cos together?
...ly one after another like a = cos(x); b = sin(x); , but I wonder if there is a faster way when needing both values.
19 Ans...
How to check if character is a letter in Javascript?
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I believe this plugin has the capabilities you seek: http://xregexp.com/plugins/ (github link: https://github.com/slevithan/xregexp)
With it you can simply match all unicode letters with \p{L}.
Read the header of this source file to ...
What is an .inc and why use it?
I often see examples in PHP that include.inc files. What is the meaning of .inc? What it is used for? What are the disadvantages and advantages of using it?
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Choosing between std::map and std::unordered_map [duplicate]
...use the good old map over unordered_map on systems where it actually exists? Are there any obvious situations that I cannot immediately see?
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Which is better option to use for dividing an integer number by 2?
Which of the following techniques is the best option for dividing an integer by 2 and why?
23 Answers
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Check if a string is null or empty in XSLT
How can I check if a value is null or empty with XSL ?
14 Answers
14
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What is the purpose of mock objects?
...s", I'll try a layman's example.
Unit Testing
Imagine unit testing for this system:
cook <- waiter <- customer
It's generally easy to envision testing a low-level component like the cook:
cook <- test driver
The test driver simply orders different dishes and verifies the cook return...
How do you test to see if a double is equal to NaN?
I have a double in Java and I want to check if it is NaN .
What is the best way to do this?
7 Answers
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Check if directory mounted with bash
...en
echo "yay"
else
echo "nay"
fi
In my example, the if-statement is checking the exit code of grep, which indicates if there was a match. Since I don't want the output to be displayed when there is a match, I'm redirecting it to /dev/null.
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What is a patch in git version control?
... to both git and version control so I am trying to figure out what a patch is and how is it different from the rest of activities I do in git?
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