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Group a list of objects by an attribute : Java
...Bean("P1", 20, new Date());
ProductBean p5 = new ProductBean("P3", 60, new Date());
ProductBean p6 = new ProductBean("P1", 20, new Date());
List<ProductBean> list = new ArrayList<ProductBean>();
list.add(p1);
list.add(p2);
list.add(p3);
...
Determining if a number is either a multiple of ten or within a particular set of ranges
...m % 10 == 0) {
// Do something
}
if (num is within 11-20, 31-40, 51-60, 71-80, 91-100) { do this }
The trick here is to look for some sort of commonality among the ranges. Of course, you can always use the "brute force" method:
if ((num > 10 && num <= 20) ||
(num > 30 ...
How to calculate date difference in JavaScript?
...nswer. Eg: to get difference in days do Math.floor((date2 - date1) / (1000*60*60*24)) -- for difference in any other unit, adjust the denominator (the base value is in ms).
– trisweb
Oct 22 '13 at 19:54
...
Calculating how many minutes there are between two times
...pan.Minutes when difference between two times is greater than 1 hour (i.e. 60 minutes or more)
– Asif Mehmood
Jan 31 '17 at 14:09
6
...
Seedable JavaScript random number generator
...conds() and getMinutes(). You could pass in an int and use half of it mod 60 for the seconds value and the other half modulo 60 to give you the other part.
That being said, this method looks like garbage. Doing proper random number generation is very hard. The obvious problem with this is that t...
What's the easiest way to call a function every 5 seconds in jQuery? [duplicate]
...
Doug NeinerDoug Neiner
60.9k1111 gold badges102102 silver badges117117 bronze badges
...
Find out time it took for a python script to complete execution
... for windows The out put will be Execution time in seconds: 38.509970903396606 real 0m38.792s user 0m0.015s sys 0m0.046s
– Aryashree Pritikrishna
Jun 30 at 14:47
...
How to change the default GCC compiler in Ubuntu?
...t's:
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-4.6 60 --slave /usr/bin/g++ g++ /usr/bin/g++-4.6
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-4.7 40 --slave /usr/bin/g++ g++ /usr/bin/g++-4.7
sudo update-alternatives --config gcc
...
What are the differences between a multidimensional array and an array of arrays in C#?
...3.691 14.695 14.398 14.551 14.252
25.782 27.484 25.711 20.844 19.607 20.349 25.861 26.214 19.677 20.171
5.050 5.085 6.412 5.225 5.100 5.751 6.650 5.222 6.770 5.305
The first row are timings of jagged arrays, the second shows multidimensional arrays and the third...
FFmpeg: How to split video efficiently?
...mmands SD 0m55.00
One command SD 0m52.26 #1 wins
Two commands SD 0m58.60 #2 wins
One command SD 0m58.61
Two commands SD 0m54.60
One command SD 0m50.51 #1 wins
Two commands SD 0m53.94
One command SD 0m49.63 #1 wins
Two commands SD 0m55.00
One command SD 0m52.26 #1 wins
Two c...