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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...
UICollectionView spacing margins
...or
UICollectionViewFlowLayout *aFlowLayout = [[UICollectionViewFlowLayout alloc] init];
[aFlowLayout setSectionInset:UIEdgeInsetsMake(top, left, bottom, right)];
Updated for Swift 5
func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, inset...
Best way to store JSON in an HTML attribute?
...then how do I write it back in using jQuery in the same way that it was in PHP?
– BadHorsie
Sep 6 '11 at 16:01
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Limit file format when using ?
...MIME-type using both the file extension and its binary signature (ASP.NET, PHP, Ruby, Java). You might also want to refer to these tables for file types and their magic numbers, to perform a more robust server-side verification.
Here are three good reads on file-uploads and security.
EDIT: Maybe fi...
Maximum packet size for a TCP connection
...t) for Ethernet, for instance, is 1500 bytes. Some types of networks (like Token Ring) have larger MTUs, and some types have smaller MTUs, but the values are fixed for each physical technology.
share
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手把手教你用Strace诊断问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...CPU 排序。
在本例中大家很容易发现 CPU 主要是被若干个 PHP 进程占用了，同时 PHP 进程占用的比较多的内存，不过系统内存尚有结余，SWAP 也不严重，这并不是问题主因。
不过在 CPU 列表中能看到 CPU 主要消耗在内核态「sy」，...
HTML character decoding in Objective-C / Cocoa Touch
...};
NSAttributedString *decodedString;
decodedString = [[NSAttributedString alloc] initWithData:stringData
options:options
documentAttributes:NULL
error:NULL];
T...
Request failed: unacceptable content-type: text/html using AFNetworking 2.0
...
For PHP it's as easy as adding this to the page: header("Content-Type: application/json"); (unless it's not a JSON response, then XML or something)
– rckehoe
Dec 6 '13 at 15:02
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Why does my application spend 24% of its life doing a null check?
... likely to already be adjacent in memory, and thus in the cache, since you allocated one after the other. With the GC heap compacting algorithm otherwise having an unpredictable affect on that. Best to not let me guess at this, measure so you know a fact.
– Hans Passant
...
How do you get a query string on Flask?
...Auth flows such as Dropbox will regularly ask for redirection URLs to pass tokens to. It makes perfect sense that you'd want to parse the query string yourself.
– Richard Løvehjerte
Oct 11 '16 at 9:44
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