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What are best practices for validating email addresses on iOS 2.0
...a-z0-9]+(-[a-z0-9]+)*\\.)+[a-z]{2,4}\\z";
NSString *regex2 = @"^(?=.{1,64}@.{4,64}$)(?=.{6,100}$).*";
NSPredicate *test1 = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", regex1];
NSPredicate *test2 = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", regex2];
return [test1 ev...
How to Batch Rename Files in a macOS Terminal?
... files frequently, consider installing a specialized tool such as the Perl-based rename utility.
On macOS you can install it using popular package manager Homebrew as follows:
brew install rename
Here's the equivalent of the command at the top using rename:
rename -n -e 's/_.*_/_/' *.png
Agai...
C Macro definition to determine big endian or little endian machine?
... conversion code is the other main candidate I've seen - you don't want to base everything off calling ntohl all the time.
– Steve Jessop
Jan 20 '10 at 13:03
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Why is 1/1/1970 the “epoch time”?
...
@JediKnight This is speculation based on my own experiences as a developer: changing a standard takes time, and if your change doesn't take hold then you end up with competing standards. The real solution to the epoch problem is 64-bit integers, not moving ...
range() for floats
...nswer over the accepted one, because the first two solutions presented are based on iterating over integers and deriving the final floats from the integers. This is more robust. If you do it directly with floats, you risk having strange one-off errors due to how floats are represented internally. Fo...
Partly cherry-picking a commit with Git
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CascabelCascabel
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What are the First and Second Level caches in Hibernate?
...an object is
returned by the query, at that time no need to go for a database
transaction. In this way the second level cache works. Here we can use
query level cache also.
Quoted from: http://javabeat.net/introduction-to-hibernate-caching/
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Can't find the 'libpq-fe.h header when trying to install pg gem
... For me after run brew install postgressql i run ARCHFLAGS="-arch x86_64" gem install pg and works fine.
– overallduka
Oct 31 '14 at 17:05
5
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.war vs .ear file
...erview:
In J2EE application, modules are packaged as EAR, JAR, and WAR based on their functionality
JAR:
EJB modules which contain enterprise java beans (class files) and EJB deployment descriptor are packed as JAR files with .jar extension
WAR:
Web modules which contain Servl...
Where can I locate themes for VS2012
..., and restarted. Doesn't work, at least not for me (RTM version Windows 8 x64). Maybe one needs to restart windows (logoff and logon didn't help).
– Stefan Steiger
Dec 25 '12 at 11:02
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