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Remove warning messages in PHP
...s still happening. Errors make PHP slow down so it's best to fix the error if at all possible. Using @ even slows down the code when there is not an error. vega.rd.no/articles/php-performance-error-suppression
– dprevite
Jan 1 '10 at 2:31
...
How to put comments in Django templates
...
True, but if you have an {% extends "file.html" %} tag you should put that on the very top of the template file even before the {% comment %}...{% endcomment %}, otherwise you'll get an <ExtendsNode: extends "file.html"> must be ...
How to change href of tag on button click through javascript
...
Exactly what Nick Carver did there but I think it would be best if used the DOM setAttribute method.
<script type="text/javascript">
document.getElementById("myLink").onclick = function() {
var link = document.getElementById("abc");
link.setAttribute("href", "xyz.php");
...
Which characters are illegal within a branch name?
... category like heads/, tags/ etc. but the actual names are not restricted. If the --allow-onelevel option is used, this rule is waived.
They cannot have two consecutive dots .. anywhere.
They cannot have ASCII control characters (i.e. bytes whose values are lower than \040, or \177 DEL), space, ti...
How do I break a string over multiple lines?
...
There are 5 6 NINE (or 63*, depending how you count) different ways to write multi-line strings in YAML.
TL;DR
Use > most of the time: interior line breaks are stripped out, although you get one at the end:
key: >
Your long
string here.
Use | if you want those lin...
Regex to match only letters
...e letters only (^ and $ mark the begin and end of a string respectively).
If you want to match other letters than A–Z, you can either add them to the character set: [a-zA-ZäöüßÄÖÜ]. Or you use predefined character classes like the Unicode character property class \p{L} that describes the U...
$(this) inside of AJAX success not working
...was bound to. Learn more about how this works in JavaScript.
Solutions
If ES2015+ is available to you, then using an arrow function would probably be the simplest option:
$.ajax({
//...
success: (json) => {
// `this` refers to whatever `this` refers to outside the function
...
How do I use sudo to redirect output to a location I don't have permission to write to?
...al /root/ > /root/test.out
Run sudo ls.sh. See Steve Bennett's answer if you don't want to create a temporary file.
Launch a shell with sudo -s then run your commands:
[nobody@so]$ sudo -s
[root@so]# ls -hal /root/ > /root/test.out
[root@so]# ^D
[nobody@so]$
Use sudo tee (if you have to es...
Remove Trailing Slash From String PHP
...
Sure it is, simply check if the last character is a slash and then nuke that one.
if(substr($string, -1) == '/') {
$string = substr($string, 0, -1);
}
Another (probably better) option would be using rtrim() - this one removes all trailing slas...
Why does @foo.setter in Python not work for me?
...problems is that both methods need the same name for the property to work. If you define the setter with a different name like this it won't work:
@x.setter
def x_setter(self, value):
...
And one more thing that is not completely easy to spot at first, is the order: The getter must be defined...