大约有 22,000 项符合查询结果（耗时：0.0276秒） [XML]
How to develop or migrate apps for iPhone 5 screen resolution?
...height == 568)
{
UIViewController *viewController3 = [[[mainscreenview alloc] initWithNibName:@"iphone5screen" bundle:nil] autorelease];
}
else
{
UIViewController *viewController3 = [[[mainscreenview alloc] initWithNibName:@"iphone4screen" bundle:nil] autorelease];
}
...
How do you manage databases in development, test, and production?
...on is readable also at http://martinfowler.com/articles/evodb.html
In one PHP+MySQL project I've had the database revision number stored in the database, and when the program connects to the database, it will first check the revision. If the program requires a different revision, it will open a pag...
.rar, .zip files MIME Type
I'm developing a simple php upload script, and users can upload only ZIP and RAR files.
6 Answers
...
What is the best regular expression to check if a string is a valid URL?
...EFFFD}!\$&'\(\)\*\+,;=:@])|[\/\?])*)?)$/i
How they were compiled (in PHP):
<?php
/* Regex convenience functions (character class, non-capturing group) */
function cc($str, $suffix = '', $negate = false) {
return '[' . ($negate ? '^' : '') . $str . ']' . $suffix;
}
function ncg($str, $...
How to calculate the bounding box for a given lat/lng location?
...
Here is a PHP implementation from the specification found at JanMatuschek.de: github.com/anthonymartin/GeoLocation.class.php
– Anthony Martin
Dec 3 '12 at 14:10
...
Functional programming - is immutability expensive? [closed]
...his algorithm has a very poor cache locality. I don’t know whether smart allocators in modern functional programming languages can mitigate this – but on modern machines, cache misses have become a major performance killer.
What’s the conclusion? Unlike others, I wouldn’t say that quickso...
Why NSUserDefaults failed to save NSMutableDictionary in iOS?
...
When do I need to release the loaded object? No alloc was called, so I would assume it is autorelased?
– Marc
Apr 16 '12 at 13:08
7
...
What open source C++ static analysis tools are available? [closed]
...a copy constructor and an assignment operator for classes with dynamically allocated memory.
Prefer initialization to assignment in constructors.
Make destructors virtual in base classes.
Have "operator=" return a reference to *this.
Don’t try to return a reference when you must return an object.
...
Query to list number of records in each table in a database
... i.object_id = p.OBJECT_ID AND i.index_id = p.index_id
INNER JOIN
sys.allocation_units a ON p.partition_id = a.container_id
WHERE
t.NAME NOT LIKE 'dt%' AND
i.OBJECT_ID > 255 AND
i.index_id <= 1
GROUP BY
t.NAME, i.object_id, i.index_id, i.name, p.[Rows]
ORDER BY
o...
Doctrine - How to print out the real sql, not just the prepared statement?
We're using Doctrine, a PHP ORM. I am creating a query like this:
19 Answers
19
...