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How are echo and print different in PHP? [duplicate]
...
you can echo(print('test')) but you cannot print(echo('test'))
– vdegenne
Jul 22 '16 at 20:13
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How to DROP multiple columns with a single ALTER TABLE statement in SQL Server?
...
create table test (a int, b int , c int, d int);
alter table test drop column b, d;
Be aware that DROP COLUMN does not physically remove the data, and for fixed length types (int, numeric, float, datetime, uniqueidentifier etc) the spac...
Why does sudo change the PATH?
...ee sudoers(5) for more information.
An Example of usage:
cat >> test.sh
env | grep "MYEXAMPLE" ;
^D
sh test.sh
MYEXAMPLE=1 sh test.sh
# MYEXAMPLE=1
MYEXAMPLE=1 sudo sh test.sh
MYEXAMPLE=1 sudo MYEXAMPLE=2 sh test.sh
# MYEXAMPLE=2
update
man 5 sudoers :
env_reset If s...
How do I get the path of the assembly the code is in?
...
I've defined the following property as we use this often in unit testing.
public static string AssemblyDirectory
{
get
{
string codeBase = Assembly.GetExecutingAssembly().CodeBase;
UriBuilder uri = new UriBuilder(codeBase);
string path = Uri.UnescapeDataSt...
How to Get Element By Class in JavaScript?
...mentsBytagName has also a length property, for which the className/indexOf test is then done as well. Although this is not a problem in this case, a regular for loop would be more correct.
– Wolfgang Stengel
Mar 6 '13 at 15:56
...
How to have conditional elements and keep DRY with Facebook React's JSX?
...r If = React.createClass({
render: function() {
if (this.props.test) {
return this.props.children;
}
else {
return false;
}
}
});
And use it this way:
render: function () {
return (
<div id="page">
<I...
iPad Web App: Detect Virtual Keyboard Using JavaScript in Safari?
...rd is shown, scrolling suddenly works. So I can set scrollTop, immediately test its value, and then reset it. Here's how that might look in code, using jQuery:
$(document).ready(function(){
$('input').bind('focus',function() {
$(window).scrollTop(10);
var keyboard_shown = $(wind...
Permission denied on accessing host directory in Docker
...ate --driver local \
--opt type=none \
--opt device=/home/user/test \
--opt o=bind \
test_vol
# create on the fly with --mount
$ docker run -it --rm \
--mount type=volume,dst=/container/path,volume-driver=local,volume-opt=type=none,volume-opt=o=bind,volume-opt=device...
How to compare software version number using js? (only number)
...lidPart(x) {
return (lexicographical ? /^\d+[A-Za-z]*$/ : /^\d+$/).test(x);
}
if (!v1parts.every(isValidPart) || !v2parts.every(isValidPart)) {
return NaN;
}
if (zeroExtend) {
while (v1parts.length < v2parts.length) v1parts.push("0");
while (v2par...
Calculate last day of month in JavaScript
... it does not even show up on the perf chart: jsperf.com/days-in-month-perf-test/6
– Gone Coding
Feb 23 '15 at 9:47
5
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