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What is the purpose of Flask's context stacks?
...e application of app, remember there could be more than one application).
Testing
Another case where you would want to manipulate the stack is for testing. You could create a unit test that handles a request and you check the results:
import unittest
from flask import request
class MyTest(unitte...
Can you set a border opacity in CSS?
...or CSS3. I used the direct input validator with the following CSS code,
.test { border: 1px solid rgba(255, 0, 0, .5); }
The results were,
Value Error : border Too many values or values are not recognized :
1px solid rgba(255,0,0,0.5 )
Unfortunate that the alpha value (the letter "a" at...
Is there a REAL performance difference between INT and VARCHAR primary keys?
...
I was a bit annoyed by the lack of benchmarks for this online, so I ran a test myself.
Note though that I don't do it on a regular basic, so please check my setup and steps for any factors that could have influenced the results unintentionally, and post your concerns in comments.
The setup was a...
Get cookie by name
...
As for perfomance: I set up a jsperf test for the offered solutions: jsperf.com/getcookie-performance . Performance strongly differs between browsers.
– sborn
Oct 16 '19 at 14:31
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Text editor to open big (giant, huge, large) text files [closed]
...ail." It's really a log file analyzer, not a large file viewer, and in one test it required 10 seconds and 700 MB of RAM to load a 250 MB file. But its killer features are the columnizer (parse logs that are in CSV, JSONL, etc. and display in a spreadsheet format) and the highlighter (show lines wit...
Convert Array to Object
...er than manipulating the initial object that was created. Running a JSPerf test on an array of 1000 elements, creating a new object every time is 1,000 times slower than mutating the existing object. jsperf.com/…
– romellem
Nov 26 '19 at 17:00
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How to reload or re-render the entire page using AngularJS
...re different there, there is Router, Location, and the DOCUMENT. I did not test different behaviors there
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If vs. Switch Speed
...des as values.
This has asymptotic better runtime than lots of chained if tests and is actually faster even for relatively few strings.
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Deny all, allow only one IP through htaccess
....htaccess but I'm keep getting a 500 error. The page I specified is called test.html and is in the same folder as the .htaccess. However, I can't see the logs (not allowed from server). Do you have any idea why I could have that problem? When I'm getting the path of the file via an ftp client it tel...
Random shuffling of an array
...
import java.util.*;
import java.util.concurrent.ThreadLocalRandom;
class Test
{
public static void main(String args[])
{
int[] solutionArray = { 1, 2, 3, 4, 5, 6, 16, 15, 14, 13, 12, 11 };
shuffleArray(solutionArray);
for (int i = 0; i < solutionArray.length; i++)
{
S...