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SQL how to increase or decrease one for a int column in one command
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252
To answer the first:
UPDATE Orders SET Quantity = Quantity + 1 WHERE ...
To answer the seco...
How to upgrade PowerShell version from 2.0 to 3.0
...m using is Windows 7, and the PowerShell version that is installed here is 2.0. Is it possible for me to upgrade it to version 3.0 or 4.0?
...
How can I log the stdout of a process started by start-stop-daemon?
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127
To expand on ypocat's answer, since it won't let me comment:
start-stop-daemon --start --quiet...
iPhone 5 CSS media query
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285
Another useful media feature is device-aspect-ratio.
Note that the iPhone 5 does not have a 1...
Copy a file in a sane, safe and efficient way
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265
Copy a file in a sane way:
#include <fstream>
int main()
{
std::ifstream src("fro...
What is the best way to determine the number of days in a month with JavaScript?
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201
function daysInMonth (month, year) { // Use 1 for January, 2 for February, etc.
return ...
How to Create Grid/Tile View?
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edited Feb 17 '16 at 20:13
altocumulus
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an...
Can CSS detect the number of children an element has?
...ild { */
width: 100%;
}
/* two items */
li:first-child:nth-last-child(2),
li:first-child:nth-last-child(2) ~ li {
width: 50%;
}
/* three items */
li:first-child:nth-last-child(3),
li:first-child:nth-last-child(3) ~ li {
width: 33.3333%;
}
/* four items */
li:first-child:nth-last-child...
Finding sum of elements in Swift array
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let sum = multiples.reduce(0, +)
print("Sum of Array is : ", sum)
Swift 2:
let multiples = [...]
sum = multiples.reduce(0, combine: +)
Some more info:
This uses Array's reduce method (documentation here), which allows you to "reduce a collection of elements down to a single value by recursi...
Generate MD5 hash string with T-SQL
Is there a way to generate MD5 Hash string of type varchar(32) without using fn_varbintohexstr
9 Answers
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