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How to set a value of a variable inside a template code?
...ls.py, views.py, etc. If this doesn’t already exist, create it - don’t forget the __init__.py file to ensure the directory is treated as a Python package.
Create a file named define_action.py inside of the templatetags directory with the following code:
from django import template
register = t...
How to assert two list contain the same elements in Python? [duplicate]
...est.TestCase.assertCountEqual(doc) which does exactly what you are looking for, as you can read from the python standard library documentation. The method is somewhat misleadingly named but it does exactly what you are looking for.
a and b have the same elements in the same number, regardless of...
Is it expensive to use try-catch blocks even if an exception is never thrown?
...t do some optimizations on code in a try block that it would otherwise do. For example, Java will often re-arrange instructions in a method to make it run faster - but Java also needs to guarantee that if an exception is thrown, the method's execution is observed as though its statements, as written...
How do you get a list of the names of all files present in a directory in Node.js?
...t fs = require('fs');
fs.readdir(testFolder, (err, files) => {
files.forEach(file => {
console.log(file);
});
});
fs.readdirSync
const testFolder = './tests/';
const fs = require('fs');
fs.readdirSync(testFolder).forEach(file => {
console.log(file);
});
The difference betwe...
Can Objective-C switch on NSString?
...
Unfortunately they cannot. This is one of the best and most sought after utilizations of switch statements, so hopefully they hop on the (now) Java (and others) bandwagon!
If you are doing card names, perhaps assign each card ...
Why does GCC generate such radically different assembly for nearly the same C code?
...nd some very odd behaviour in GCC 4.6.1 . Let me show you the code first (for clarity I marked the differences):
3 Answers...
Why are unnamed namespaces used and what are their benefits?
...rstand the design. The project makes frequent use of unnamed namespaces. For example, something like this may occur in a class definition file:
...
How to use PyCharm to debug Scrapy projects
...
Not forget to config Working directory, otherwise will error no active project, Unknown command: crawl, Use "scrapy" to see available commands, Process finished with exit code 2
– crifan
Jan...
How to quickly edit values in table in SQL Server Management Studio?
...tree on the left, select SQL Server Object Explorer. Set the option "Value for Edit Top Rows command" to 0. It'll now allow you to view and edit the entire table from the context menu.
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Why would finding a type's initializer throw a NullReferenceException?
This has got me stumped. I was trying to optimize some tests for Noda Time, where we have some type initializer checking. I thought I'd find out whether a type has a type initializer (static constructor or static variables with initializers) before loading everything into a new AppDomain . To my ...