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Best practices for in-app database migration for Sqlite
...ng stringWithFormat:@"userdata.sqlite"];
_database = [[FMDatabase alloc] initWithPath:[documentsDir stringByAppendingPathComponent:databaseName]];
_database.logsErrors = YES;
if (![_database openWithFlags:SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE | SQLITE_OPEN_FILEPROTECTI...
Array_merge versus + [duplicate]
... the matching elements from the right-hand array will be ignored.
http://php.net/manual/en/language.operators.array.php
array_merge() has slightly different behavior:
If the input arrays have the same string keys, then the later value for that key will overwrite the previous one. If, however,...
Advantages of Binary Search Trees over Hash Tables
... instance, if a hash function has a range R(h) = 0...100, then you need to allocate an array of 100 (pointers-to) elements, even if you are just hashing 20 elements. If you were to use a binary search tree to store the same information, you would only allocate as much space as you needed, as well as...
What is the most accurate way to retrieve a user's correct IP address in PHP?
... fully-validated, and fully-packaged, version of @AlixAxel's answer:
<?php
/* Get the 'best known' client IP. */
if (!function_exists('getClientIP'))
{
function getClientIP()
{
if (isset($_SERVER["HTTP_CF_CONNECTING_IP"]))
{
...
HTML encoding issues - “” character showing up instead of “ ”
...ead of » , amd When Using this solution the problem solved but there is a php warning: Warning: session_start(): Cannot send session cache limiter - headers already sent (output started at D:\Program Files\wamp\wamp\www\projects\kerala\kerala_public_html\edit\business_details.php:1) in D:\Program ...
Is it a good practice to use an empty URL for a HTML form's action attribute? (action=“”)
...houldn't be a problem isn't it? At least I usually use the $_POST array in PHP only when processing forms.
– Calmarius
Mar 20 '15 at 18:45
...
PHP大潮将至 PHP近年发展分析 - 创意 - 清泛网 - 专注C/C++及内核技术
PHP大潮将至 PHP近年发展分析作者通过自己对PHP近年发展的分析,认为PHP凭借它的简单、开发快速和扩展性强,在企业级应用上会有大的发展前景。您觉得呢?说起PHP近几年的发展,可以说是突飞猛进。EDC在2006年的统计信息表明P...
How to find the php.ini file used by the command line?
I need to enable pdo_mysql in my EasyPhp environment, so I went to php.ini file and uncommented the following line:
14 Answ...
How to remove all leading zeroes in a string
...
Not strange. Integers in php go up to 2^31, which is 2147483647. For any larger numbers, you'll have to use lonesomeday's string-based solution.
– awm
Feb 23 '11 at 23:41
...
How can I detect if the user is on localhost in PHP?
...y web application is on the server it resides on? If I remember correctly, PHPMyAdmin does something like this for security reasons.
...
