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string.IsNullOrEmpty(string) vs. string.IsNullOrWhiteSpace(string)
Is use of string.IsNullOrEmpty(string) when checking a string considered as bad practice when there is string.IsNullOrWhiteSpace(string) in .NET 4.0 and above?
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Simplest two-way encryption using PHP
...ed since 2007.
There is even an RFC to remove Mcrypt from PHP - https://wiki.php.net/rfc/mcrypt-viking-funeral
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Import file size limit in PHPMyAdmin
I have changed all the php.ini parameters I know:
upload_max_filesize , post_max_size .
27 Answers
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How to re-sign the ipa file?
...I sign the .ipa file with a provisioning profile after I generate an IPA like the following with a different provision profile? I would like to sign the IPA with an ad-hoc provisioning profile for beta testing, and then re-sign the exact IPA with an app submission provisioning profile for the app st...
What is Normalisation (or Normalization)?
...iece of data is duplicated several places in the database, there is the risk that it is updated in one place but not the other, leading to data corruption.
There is a number of normalization levels from 1. normal form through 5. normal form. Each normal form describes how to get rid of some specif...
Detect & Record Audio in Python
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As a follow up to Nick Fortescue's answer, here's a more complete example of how to record from the microphone and process the resulting data:
from sys import byteorder
from array import array
from struct import pack
import pyaudio
import wave
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Why is address zero used for the null pointer?
...alue zero if it can't get me memory; I use if (p != 0) all the time to make sure passed pointers are valid, etc.
21 Answe...
Is the size of C “int” 2 bytes or 4 bytes?
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I know it's equal to sizeof(int). The size of an int is really compiler dependent. Back in the day, when processors were 16 bit, an int was 2 bytes. Nowadays, it's most often 4 bytes on a 32-bit as well as 64-bit systems.
Sti...
How can I handle the warning of file_get_contents() function in PHP?
I wrote a PHP code like this
19 Answers
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How to check whether an object is a date?
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As an alternative to duck typing via
typeof date.getMonth === 'function'
you can use the instanceof operator, i.e. But it will return true for invalid dates too, e.g. new Date('random_string') is also instance of Date
date instanceof Date
This...