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Why is require_once so bad to use?
..., this is only relevant to your code if you're running *_once thousands of times.
<?php // test.php
$LIMIT = 1000000;
$start = microtime(true);
for ($i=0; $i<$LIMIT; $i++)
if (!defined('include.php')) {
require('include.php');
define('include.php', 1);
}
$mid = m...
Text Progress Bar in the Console [closed]
... Complete
if iteration == total:
print()
Sample Usage
import time
# A List of Items
items = list(range(0, 57))
l = len(items)
# Initial call to print 0% progress
printProgressBar(0, l, prefix = 'Progress:', suffix = 'Complete', length = 50)
for i, item in enumerate(items):
# Do s...
Why use strict and warnings?
...h their fully qualified name (for ex: $MAIN::variablename).
So, a compile-time error is triggered if you attempt to access a variable that hasn't met at least one of the following criteria:
Predefined by Perl itself, such as @ARGV, %ENV, and all the global punctuation variables such as $. or $_.
...
Count occurrences of a char in plain text file
Is there any way under linux/terminal to count, how many times the char f occurs in a plain text file?
5 Answers
...
Format timedelta to string
I'm having trouble formatting a datetime.timedelta object.
27 Answers
27
...
Rails formatting date
...
Use
Model.created_at.strftime("%FT%T")
where,
%F - The ISO 8601 date format (%Y-%m-%d)
%T - 24-hour time (%H:%M:%S)
Following are some of the frequently used useful list of Date and Time formats that you could specify in strftime method:
Date...
date format yyyy-MM-ddTHH:mm:ssZ
...this should be pretty simple, but could not get it :(.
In this format Z is time zone.
T is long time pattern
How could I get a date in this format except by using
...
Time complexity of Euclid's Algorithm
I am having difficulty deciding what the time complexity of Euclid's greatest common denominator algorithm is. This algorithm in pseudo-code is:
...
Best way to strip punctuation from a string
... at as low a level as possible pays off.
Timing code:
import re, string, timeit
s = "string. With. Punctuation"
exclude = set(string.punctuation)
table = string.maketrans("","")
regex = re.compile('[%s]' % re.escape(string.punctuation))
def test_set(s):
return ''.join(ch for ch in s if ch no...
Correct way to use StringBuilder in SQL
...elf [or more, if it knows it needs more to satisfy a specific append] each time it runs out of room).
You may have heard that string concatenation will use a StringBuilder under the covers if compiled with the Sun/Oracle compiler. This is true, it will use one StringBuilder for the overall expressi...