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How can I perform a str_replace in JavaScript, replacing text in JavaScript?
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Using regex for string replacement is significantly slower than using a string replace.
As demonstrated on JSPerf, you can have different levels of efficiency for creating a regex, but all of them are significantly slower than a simple s...
Mixing a PHP variable with a string literal
...ried reading the strings manual but wasn't sure exactly what I was looking for to search it for what I was after.
– Matt McDonald
Mar 20 '11 at 14:00
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Javascript: Round up to the next multiple of 5
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+1 for compact and efficient... and it will round to 10, right? :)
– zx81
Jun 9 '14 at 10:19
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How do I ignore ampersands in a SQL script running from SQL Plus?
... I run the script from SQL Plus, I am prompted to enter a substitute value for the string starting with &. How do I disable this feature so that SQL Plus ignores the ampersand?
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How can I filter a Django query with a list of values?
...e WHERE ids=[1, 3, 6, 7, 9] which is not true. You have to use in operator for this so you query will be like SELECT * FROM mytable WHERE ids in (1, 3, 6, 7, 9) for that Django provide __in operator.
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Context switches much slower in new linux kernels
...upgrade the OS on our servers from Ubuntu 10.04 LTS to Ubuntu 12.04 LTS. Unfortunately, it seems that the latency to run a thread that has become runnable has significantly increased from the 2.6 kernel to the 3.2 kernel. In fact the latency numbers we are getting are hard to believe.
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How to have git log show filenames like svn log -v
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For full path names of changed files:
git log --name-only
For full path names and status of changed files:
git log --name-status
For abbreviated pathnames and a diffstat of changed files:
git log --stat
There's a lot...
C++ Best way to get integer division and remainder
...self so any half-decent compiler should be able to just use it (and not perform a div again). This is probably done on other architectures too.
Instruction: DIV src
Note: Unsigned division. Divides accumulator (AX) by "src". If divisor
is a byte value, result is put to AL and remainder to...
Slicing of a NumPy 2d array, or how do I extract an mxm submatrix from an nxn array (n>m)?
...t any pattern in the numbers of rows/columns), making it a new, mxm array. For this example let us say the array is 4x4 and I want to extract a 2x2 array from it.
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Is there a way to make GHC provide the type class constraints of typed holes?
...’, namely ‘_h’
In the expression: show _h
In an equation for ‘it’: it = show _h
• Relevant bindings include
it :: String (bound at <interactive>:7:1)
the type of the hole is defaulted to (). This is apparently the desired behavior, though there's an argume...