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How to create multidimensional array
...2[0] == 'input3';
mixed.row2[1] == 'input4';
http://jsfiddle.net/z4Un3/
And if you're wanting to store DOM elements:
var inputs = [
[
document.createElement('input'),
document.createElement('input')
],
[
document.createElement('input'),
document.create...
How to downgrade or install an older version of Cocoapods
...s
you can install a specific version of cocoa pods via the following command:
sudo gem install cocoapods -v 0.25.0
You can use older installed versions with following command:
pod _0.25.0_ setup
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What does this square bracket and parenthesis bracket notation mean [first1,last1)?
I have seen number ranges represented as [first1,last1) and [first2,last2) .
4 Answers
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Javascript seconds to minutes and seconds
...seconds by 60 (60 seconds/minute):
var minutes = Math.floor(time / 60);
And to get the remaining seconds, multiply the full minutes with 60 and subtract from the total seconds:
var seconds = time - minutes * 60;
Now if you also want to get the full hours too, divide the number of total seconds...
C# Regex for Guid
I need to parse through a string and add single quotes around each Guid value. I was thinking I could use a Regex to do this but I'm not exactly a Regex guru.
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Bin size in Matplotlib (Histogram)
...specified by list of N+1 values where the first N give the lower bin edges and the +1 gives the upper edge of the last bin.
Code:
from numpy import np; from pylab import *
bin_size = 0.1; min_edge = 0; max_edge = 2.5
N = (max_edge-min_edge)/bin_size; Nplus1 = N + 1
bin_list = np.linspace(min_edge...
Make xargs execute the command once for each line of input
How can I make xargs execute the command exactly once for each line of input given?
It's default behavior is to chunk the lines and execute the command once, passing multiple lines to each instance.
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Sleep until a specific time/date
I want my bash script to sleep until a specific time. So, I want a command like "sleep" which takes no interval but an end time and sleeps until then.
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How do I use boolean variables in Perl?
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@BlueWaldo: you can also use cmp and <=> when comparing and assigning the results of the comparison to a scalar. $var = $var1 cmp $var2; 'cmp' and '<=>' (used for numeric comparisons) returns -1, 0, or 1 if left argument is less than, equal to,...
Designing function f(f(n)) == -n
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Hmm, saving state with even and odd numbers, I should've thought of that.
– Unknown
Apr 8 '09 at 22:25
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