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PHP append one array to another (not array_push or +)
...');
This will also work with any Traversable
$a = array('a', 'b');
$b = new ArrayIterator(array('c', 'd'));
array_push($a, ...$b);
// $a is now equals to array('a','b','c','d');
A warning though:
in PHP versions before 7.3 this will cause a fatal error if $b is an empty array or not travers...
CSS3 transform not working
...l = function(e) {
var $elem = $('.new-login-left'),
docViewTop = $window.scrollTop(),
docViewBottom = docViewTop + $window.height(),
...
Why doesn't django's model.save() call full_clean()?
... auto clean on save is not enabled in django kernel.
If we are starting a new project and want the default save method on Model could clean automatically, we can use the following signal to do clean before every model was saved.
from django.dispatch import receiver
from django.db.models.signals i...
cpuid汇编指令 - C/C++ - 清泛网 - 专注C/C++及内核技术
cpuid汇编指令cpuid指令cpuid就是一条读取CPU各种信息的一条指令，大概是从80486的某个版本开始就存在了。 CPUID这条指令，除了用于识别CPU（CPU的型号...cpuid指令
cpuid就是一条读取CPU各种信息的一条指令，大概是从80486的某个版...
OSGi, Java Modularity and Jigsaw
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f7498540%2fosgi-java-modularity-and-jigsaw%23new-answer', 'question_page');
}
);
...
Why is '+' not understood by Python sets?
...e. You can also use ^ for symmetric set difference (i.e., it will return a new set with only the objects that appear in one set but do not appear in both sets).
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How to pause for specific amount of time? (Excel/VBA)
... |
edited May 18 '17 at 6:51
kevinarpe
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ans...
Remove an item from a dictionary when its key is unknown
...
c is the new dictionary, and a is your original dictionary, {'z','w'}
are the keys you want to remove from a
c = {key:a[key] for key in a.keys() - {'z', 'w'}}
Also check: https://www.safaribooksonline.com/library/view/python-cookbo...
JavaScript equivalent to printf/String.Format
...ays, and strings as arguments! I got its code and reworked it to produce a new version of String.prototype.format:
String.prototype.formatUnicorn = String.prototype.formatUnicorn ||
function () {
"use strict";
var str = this.toString();
if (arguments.length) {
var t = typeof arg...
Reverse / invert a dictionary mapping
... Yes, as a implementation detail. The order-preserving aspect of this new implementation is considered an implementation detail and should not be relied upon. There is no guarantee it will stay that way so don't write code relying on Dict having the same behavior as OrderedDict.
...