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What is a pre-revprop-change hook in SVN, and how do I create it?
... sure that the new svn:log message is not empty.
set bIsEmpty=true
for /f "tokens=*" %%g in ('find /V ""') do (
set bIsEmpty=false
)
if "%bIsEmpty%" == "true" goto ERROR_EMPTY
goto :eof
:ERROR_EMPTY
echo Empty svn:log messages are not allowed. >&2
goto ERROR_EXIT
:ERROR_PROPNAME
echo Only ...
How to round up a number to nearest 10?
How can we round off a number to the nearest 10 in php?
16 Answers
16
...
How to read a large file line by line?
...od would stop without reaching the end of file. The Example #1 on this URL php.net/manual/en/function.fgets.php suggests that fgets sometimes can return boolean false even though end of file has yet not been reached. In the comment section on that page people report that fgets() doesn't always retur...
Detect Browser Language in PHP
I use the following PHP script as index for my website.
12 Answers
12
...
PHP连接MySQL报错：Fatal error: Call to undefined function mysql_connec...
PHP连接MySQL报错：Fatal error: Call to undefined function mysql_connect()之解决方法【问题描述】PHP测试连接MySQL的程序如下：<?php$host='localhost';$user_name='root';$password='mysql';$conn=m...【问题描述】
PHP测试连接MySQL的程序如下：
<?php
$host='localh...
php stdClass to array
...aster than iterating through the objects recursively - most likely because PHP is slow at calling functions). "But I already did this" you say. Not exactly - you used json_decode on the array, but you need to encode it with json_encode first.
Requirements
The json_encode and json_decode methods. T...
PHP mkdir: Permission denied problem
I am trying to create a directory with PHP mkdir function but I get an error as follows: Warning: mkdir() [function.mkdir]: Permission denied in ... . How to settle down the problem?
...
Fast way to discover the row count of a table in PostgreSQL
...s. You can use a subquery with LIMIT:
SELECT count(*) FROM (SELECT 1 FROM token LIMIT 500000) t;
Postgres actually stops counting beyond the given limit, you get an exact and current count for up to n rows (500000 in the example), and n otherwise. Not nearly as fast as the estimate in pg_class, t...
Passing arrays as url parameter
...wever, there's a simpler way to do this:
$url = 'http://example.com/index.php?';
$url .= 'aValues[]=' . implode('&amp;aValues[]=', array_map('urlencode', $aValues));
If you want to do this with an associative array, try this instead:
PHP 5.3+ (lambda function)
$url = 'http://example.com/ind...
In PHP, can you instantiate an object and call a method on the same line?
...
The feature you have asked for is available from PHP 5.4. Here is the list of new features in PHP 5.4:
http://php.net/manual/en/migration54.new-features.php
And the relevant part from the new features list:
Class member access on instantiation has been added, e.g. (ne...