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How to find the JVM version from a program?
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10 Answers
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Active
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Transform DateTime into simple Date in Ruby on Rails
....to_date
NoMethodError: undefined method 'to_date' for #<DateTime: -1/2,0,2299161>
from (irb):1
>> require 'active_support/core_ext'
=> true
>> DateTime.new.to_date
=> Mon, 01 Jan -4712
share
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Creating a UIImage from a UIColor to use as a background image for UIButton [duplicate]
... (UIImage *)imageFromColor:(UIColor *)color {
CGRect rect = CGRectMake(0, 0, 1, 1);
UIGraphicsBeginImageContext(rect.size);
CGContextRef context = UIGraphicsGetCurrentContext();
CGContextSetFillColorWithColor(context, [color CGColor]);
CGContextFillRect(context, rect);
UIImag...
Get column index from column name in python pandas
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answered Oct 23 '12 at 0:06
DSMDSM
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How to make an array of arrays in Java
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answered Jan 24 '11 at 10:54
Jon SkeetJon Skeet
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How do I profile memory usage in Python?
...ex Count % Size % Cumulative % Kind (class / dict of class)
0 25773 53 1612820 49 1612820 49 str
1 11699 24 483960 15 2096780 64 tuple
2 174 0 241584 7 2338364 72 dict of module
3 3478 7 222592 7 2560956 78 types.CodeType
4 3...
Javascript add leading zeroes to date
I've created this script to calculate the date for 10 days in advance in the format of dd/mm/yyyy:
24 Answers
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How to calculate the difference between two dates using PHP?
...rom this it's rather easy to calculate different time periods.
$date1 = "2007-03-24";
$date2 = "2009-06-26";
$diff = abs(strtotime($date2) - strtotime($date1));
$years = floor($diff / (365*60*60*24));
$months = floor(($diff - $years * 365*60*60*24) / (30*60*60*24));
$days = floor(($diff - $years ...
Generate random numbers using C++11 random library
...u can see his full talk here: http://channel9.msdn.com/Events/GoingNative/2013/rand-Considered-Harmful
#include <random>
#include <iostream>
int main() {
std::random_device rd;
std::mt19937 mt(rd());
std::uniform_real_distribution<double> dist(1.0, 10.0);
for (in...
Add a new element to an array without specifying the index in Bash
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edited Dec 23 '09 at 9:18
answered Dec 23 '09 at 9:02
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