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Why does python use 'else' after for and while loops?
...it basically means "find some item in the iterable, else if none was found do ...". As in:
found_obj = None
for obj in objects:
if obj.key == search_key:
found_obj = obj
break
else:
print('No object found.')
But anytime you see this construct, a better alternative is to ei...
Redis cache vs using memory directly
...local memory cannot achieve).
Redis memory storage is quite efficient, and done in a separate process. If the application runs on a platform whose memory is garbage collected (node.js, java, etc ...), it allows handling a much bigger memory cache/store. In practice, very large heaps do not perform w...
mvn clean install vs. deploy vs. release
...cts.
mvn release
This is not a valid phase nor a goal so this won't do anything. But if refers to the Maven Release Plugin that is used to automate release management. Releasing a project is done in two steps: prepare and perform. As documented:
Preparing a release goes through the
foll...
Delete multiple objects in django
...s no category to select from so I can't delete from all of them like that. Do I have to implement my own delete form and process it in django or does django have a way to already do this? As its implemented in the admin interface.
...
What does DIM stand for in Visual Basic and BASIC?
What does DIM stand for in Visual Basic?
10 Answers
10
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TypeScript typed array usage
...n error in your syntax here:
this._possessions = new Thing[100]();
This doesn't create an "array of things". To create an array of things, you can simply use the array literal expression:
this._possessions = [];
Of the array constructor if you want to set the length:
this._possessions = new A...
CMake link to external library
...rch path first:
LINK_DIRECTORIES(${CMAKE_BINARY_DIR}/res)
And then just do
TARGET_LINK_LIBRARIES(GLBall mylib)
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Is there a difference between “throw” and “throw ex”?
... posts that asks what the difference between those two are already. (why do I have to even mention this...)
10 Answers
...
Get cookie by name
...over an array, would be:
function getCookie(name) {
const value = `; ${document.cookie}`;
const parts = value.split(`; ${name}=`);
if (parts.length === 2) return parts.pop().split(';').shift();
}
Walkthrough
Splitting a string by token will produce either, an array with one string (same v...
Detect Browser Language in PHP
...
why dont you keep it simple and clean
<?php
$lang = substr($_SERVER['HTTP_ACCEPT_LANGUAGE'], 0, 2);
$acceptLang = ['fr', 'it', 'en'];
$lang = in_array($lang, $acceptLang) ? $lang : 'en';
require_once "index_{...