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What are “res” and “req” parameters in Express functions?
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Pandas every nth row
... edited Oct 25 '18 at 5:05
user3483203
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answered Jul 31 '14 at 11:25
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Should I use multiplication or division?
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Python:
time python -c 'for i in xrange(int(1e8)): t=12341234234.234 / 2.0'
real 0m26.676s
user 0m25.154s
sys 0m0.076s
time python -c 'for i in xrange(int(1e8)): t=12341234234.234 * 0.5'
real 0m17.932s
user 0m16.481s
sys 0m0.048s
multiplication is 33% faste...
Creating range in JavaScript - strange syntax
...0); //true
arr[0]; //'a'
Object.keys(arr); //['0', '1', '2']
arr.length; //3, implies arr[3] === undefined
//we expand the array by 1 item
arr.length = 4;
arr[3]; //undefined
arr.hasOwnProperty(3); //false
Object.keys(arr); //['0', '1', '2']
We get to the inherent difference between the number of...
GCC -g vs -g3 GDB Flag: What is the Difference?
...l 0 produces no
debug information at all. Thus, -g0 negates -g.
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Level 3 includes extra information, such as all the macro definitions
present in the program. Some debuggers support macro expansion when
you use -g3.
sha...
How do I setup a SSL certificate for an express.js server?
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Rebasing a Git merge commit
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135
There are two options here.
One is to do an interactive rebase and edit the merge commit, redo ...
How can I remove the decimal part from JavaScript number?
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403
You could use...
Math.trunc() (truncate fractional part, also see below)
Math.floor() (round d...
Change old commit message on Git
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130
It says:
When you save and exit the editor, it will rewind you back to that last commit in tha...