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Calculate number of hours between 2 dates in PHP
...her method for DatePeriod when using the UTC or GMT timezone.
Count Hours https://3v4l.org/Mu3HD
$start = new \DateTime('2006-04-12T12:30:00');
$end = new \DateTime('2006-04-14T11:30:00');
//determine what interval should be used - can change to weeks, months, etc
$interval = new \DateInterval('P...
How do I create a parameterized SQL query? Why Should I?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Why do we need the “event” keyword while defining events?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
What is the best place for storing uploaded images, SQL database or disk file system? [closed]
...zon S3) or Infrastructure-as-a-service on top of it (such as Uploadcare):
https://uploadcare.com/upload-api-cloud-storage-and-cdn/
But storing files in the database is a bad idea.
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How to format numbers as currency string?
...ecimal separator (we MUST use a decimal separator)
/*
according to [https://stackoverflow.com/questions/411352/how-best-to-determine-if-an-argument-is-not-sent-to-the-javascript-function]
the fastest way to check for not defined parameter is to use typeof value === 'undefined'
rather t...
map vs. hash_map in C++
...ash_map.
#include "StdAfx.h"
#include <hash_map>
I read this here
https://bytes.com/topic/c/answers/570079-perfomance-clear-vs-swap
saying that clear() is order of O(N). That to me, is very strange, but, that's the way it is.
...
git-diff to ignore ^M
...ne endings. You can also use the .gitattributes file for this.
More info:
https://help.github.com/articles/dealing-with-line-endings/#platform-all
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Converting between datetime, Timestamp and datetime64
...can reproduce the long value on numpy-1.8.0 installed as:
pip install git+https://github.com/numpy/numpy.git#egg=numpy-dev
The same example:
>>> from datetime import datetime
>>> import numpy
>>> numpy.datetime64('2002-06-28T01:00:00.000000000+0100').astype(datetime)
1...
How to sort objects by multiple keys in Python?
...ve if x < y, zero if x == y
and strictly positive if x > y.
https://portingguide.readthedocs.io/en/latest/comparisons.html#the-cmp-function
"""
return (x > y) - (x < y)
def multikeysort(items, columns):
comparers = [
((i(col[1:].strip()), -1) if col.startsw...
TSQL - Cast string to integer or return default value
...nd we help each other to improve it. TRY_CAST Function for SQL Server 2008 https://gist.github.com/jotapardo/800881eba8c5072eb8d99ce6eb74c8bb
The two main differences are that you must pass 3 parameters and you
must additionally perform an explicit CONVERT or CAST to the field.
However, it i...
