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Difference between “include” and “require” in php
... your script continuing without loading the file (in case it doesn't exist etc) and you can (although you shouldn't) live with a Warning error message being displayed.
Using require means your script will halt if it can't load the specified file, and throw a Fatal error.
...
Using OpenSSL what does “unable to write 'random state'” mean?
...hich it is on most systems. You can check www-data's home folder with cat /etc/passwd | grep www-data)
– Nick
Feb 15 '17 at 14:28
1
...
How do I concatenate strings and variables in PowerShell?
... you want some pre-processing done (such as variables, special characters, etc.)
So:
$name = "Marshall Bruce Mathers III"
Write-Host "$name"
-> Marshall Bruce Mathers III
Whereas:
$name = "Marshall Bruce Mathers III"
Write-Host '$name'
-> $name
(I find How-to: Escape characters, Delimiters a...
How do I 'svn add' all unversioned files to SVN?
...
Great. Also easy to expand, modify to delete etc.
– Drewid
Apr 18 '12 at 14:43
Perfect f...
Clearing all cookies with JavaScript
...n all paths and all variants of the domain (www.mydomain.com, mydomain.com etc):
(function () {
var cookies = document.cookie.split("; ");
for (var c = 0; c < cookies.length; c++) {
var d = window.location.hostname.split(".");
while (d.length > 0) {
var co...
Setting the zoom level for a MKMapView
...(ZoomLevel)
@property (assign, nonatomic) NSUInteger zoomLevel;
- (void)setCenterCoordinate:(CLLocationCoordinate2D)centerCoordinate
zoomLevel:(NSUInteger)zoomLevel
animated:(BOOL)animated;
@end
@implementation MKMapView (ZoomLevel)
- (void)setZoomLevel:(NS...
How to print a dictionary's key?
...a will leave them on the same line, but insert spaces between "is" and key etc. If you use + you need to put the extra padding in the strings. Also key and value are not necessarily string, in which case comma will use str(key) and str(value) whereas + will cause an error
– Joh...
What is the --save option for npm install?
...RUD and get on with our work. (Quora has a neat 'Is this answer relevant' etc and I had even before that suggested to SO to do this) \n Sucks that the official node doc has no mention of older (defunct) options and most node references seem to be pre-5.0, sending our heads for a spin.
...
How do I insert NULL values using PDO?
...nstance
$query = $db->prepare($sql);
//Works with INT, FLOAT, ETC.
$query->bindValue(':productId', !empty($productId) ? $productId : NULL, PDO::PARAM_INT);
//Works with strings.
$query->bindValue(':productName',!empty($productName) ? $productName : NULL, PDO::PA...
Rails and PostgreSQL: Role postgres does not exist
...er command is a thin wrapper around the commands CREATE USER, CREATE ROLE, etc.
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