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How do I get the different parts of a Flask request's url?
...nother example:
request:
curl -XGET http://127.0.0.1:5000/alert/dingding/test?x=y
then:
request.method: GET
request.url: http://127.0.0.1:5000/alert/dingding/test?x=y
request.base_url: http://127.0.0.1:5000/alert/dingding/test
request.url_charset: ...
Null coalescing in powershell
...t a variable is defined first. If you set $myval = $null before doing the test, the error should go away.
– StephenD
Jul 4 '19 at 8:06
1
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Checking if an instance's class implements an interface?
...
See: http://php.net/manual/en/function.class-implements.php
Performance Tests
Some simple performance tests show the costs of each approach:
Given an instance of an object
Object construction outside the loop (100,000 iterations)
____________________________________________
| class_implement...
C# List of objects, how do I get the sum of a property
...
Here is example code you could run to make such test:
var f = 10000000;
var p = new int[f];
for(int i = 0; i < f; ++i)
{
p[i] = i % 2;
}
var time = DateTime.Now;
p.Sum();
Console.WriteLine(DateTime.Now - time);
int x = 0;
time = DateTime.Now;
foreach(var item in...
String.Replace ignoring case
... don't have to escape the replacement string.
Here is a small fiddle that tests the code:
using System;
using System.Text.RegularExpressions;
public class Program
{
public static void Main()
{
var tests = new[] {
new { Input="abcdef", Search="abc", Replacem...
Make a program run slowly
...ptop Per Child, and don't forget to donate it to a child once you are done testing) with a slow CPU and run your program.
Hope it helps.
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follo...
#if DEBUG vs. Conditional(“DEBUG”)
... you should pretty much never use either. If you really need something for testing and debugging, figure out a way to make that testability seperate from the actual production code.
Abstract the scenarios with mocking in unit tests, make one off versions of things for one off scenarios you want to ...
Fastest Way of Inserting in Entity Framework
I'm looking for the fastest way of inserting into Entity Framework.
30 Answers
30
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What is the difference between ${var}, “$var”, and “${var}” in the Bash shell?
...parameter is a positional parameter with more than one digit…
Let's test:
$ set -- {0..100}
$ echo $22
12
$ echo ${22}
20
Huh. Neat. I honestly didn't know that before writing this (I've never had more than 9 positional parameters before.)
Of course, you also need braces to do the powerfu...
Check if string contains only whitespace
How can I test if a string contains only whitespace?
11 Answers
11
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