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What is the difference between .map, .every, and .forEach?
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224
The difference is in the return values.
.map() returns a new Array of objects created by taki...
Preserve colouring after piping grep to grep
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edited Feb 25 '10 at 1:38
answered Feb 24 '10 at 15:38
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Difference between \A \z and ^ $ in Ruby regular expressions
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228
If you're depending on the regular expression for validation, you always want to use \A and \z...
find -exec cmd {} + vs | xargs
...n.
So your code should look like this:
find . -exec cmd -option1 -option2 -- {} +
or
find . -print0 | xargs -0 cmd -option1 -option2 --
The first version is shorter and easier to write as you can ignore 1, but
the second version is more portable and safe, as "-exec cmd {} +" is a relatively...
Chrome: timeouts/interval suspended in background tabs?
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edited Apr 4 '18 at 20:59
GG.
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answered M...
What are bitwise shift (bit-shift) operators and how do they work?
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1728
The bit shifting operators do exactly what their name implies. They shift bits. Here's a brie...
How can I remove an entry in global configuration with git config?
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edited Aug 8 '12 at 16:20
answered Aug 8 '12 at 16:08
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Initializing a struct to 0
...which your coding standard mandates.
[Ref 1] Reference C99 Standard 6.7.8.21:
If there are fewer initializers in a brace-enclosed list than there are elements or members of an aggregate, or fewer characters in a string literal used to initialize an array of known size than there are element...
SQL Add foreign key to existing column
If I am using the following SQL command in SQL Server 2008 to update a table with a foreign key constraint:
6 Answers
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