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How to break out of multiple loops?
...2VnC0go?t=971, read "else" statements attached to for loops as "no_break", then it becomes easier to understand.
– Ambareesh
Oct 29 '19 at 4:45
4
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Programmatically change the src of an img tag
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Give your img tag an id, then you can
document.getElementById("imageid").src="../template/save.png";
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How do I run a node.js app as a background service?
... I did use Forever for a while, at the beginning everything seems ok but then disaster happened. Forever could not manage the processes anymore and let them run wild. Still struggling to find a better solution. I will try to use nohup
– L N
Jan 21 '13 at 12:2...
URL rewriting with PHP
...x.php for all files it cannot normally find in your site. In there you can then for example:
$path = ltrim($_SERVER['REQUEST_URI'], '/'); // Trim leading slash(es)
$elements = explode('/', $path); // Split path on slashes
if(empty($elements[0])) { // No path ...
How to display HTML tags as plain text [duplicate]
...encode the <>s:
&lt;strong&gt;Look just like this line - so then know how to type it&lt;/strong&gt;
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Xcode doesn't show the line that causes a crash
...braries/frameworks. If the exception is occurring within those frameworks then you are going to have a hard time since the code is compiled and Xcode can't actually show you the line that caused the exception. If this is the case and you are certain you are using the libraries correctly, then you ...
django admin - add custom form fields that are not part of the model
... your admin.py or in a separate forms.py you can add a ModelForm class and then declare your extra fields inside that as you normally would. I've also given an example of how you might use these values in form.save():
from django import forms
from yourapp.models import YourModel
class YourModelFo...
Can I recover a branch after its deletion in Git?
...abbrev and find the SHA1 for the commit at the tip of your deleted branch, then just git checkout [sha]. And once you're at that commit, you can just git checkout -b [branchname] to recreate the branch from there.
Credit to @Cascabel for this condensed/one-liner version.
You can do it in one step:
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Catching multiple exception types in one catch block
...class AError extends LetterError {}
class BError extends LetterError {}
Then:
catch(LetterError $e){
//voodoo
}
As you can see here and here, even the SPL default exceptions have a hierarchy you can leverage. Additionally, as stated in the PHP Manual:
When an exception is thrown, code ...
What is an application binary interface (ABI)?
...ind what it needs. If everything in your system conforms to the same ABI, then any program is able to work with any library file, no matter who created them. Linux and Windows use different ABIs, so a Windows program won't know how to access a library compiled for Linux.
Sometimes, ABI changes ar...