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How to validate an e-mail address in swift?
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I would use NSPredicate:
func isValidEmail(_ email: String) -> Bool {
let emailRegEx = "[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,64}"
let emailPred = NSPredicate(format:"SELF MATCHES %@", emailRegEx)
return emailPred.evaluate(with: email)
}
for versio...
Git: show more context when using git add -i or git add -e?
I'm selectively committing parts of a large file and I'd like to see more context around each hunk. Is this possible?
2 Ans...
How do I add a linker or compile flag in a CMake file?
I am using the arm-linux-androideabi-g++ compiler. When I try to compile a simple "Hello, World!" program it compiles fine. When I test it by adding a simple exception handling in that code it works too (after adding -fexceptions .. I guess it is disabled by default).
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Setting dynamic scope variables in AngularJs - scope.
I have a string I have gotten from a routeParam or a directive attribute or whatever, and I want to create a variable on the scope based on this. So:
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Run function from the command line
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With the -c (command) argument (assuming your file is named foo.py):
$ python -c 'import foo; print foo.hello()'
Alternatively, if you don't care about namespace pollution:
$ python -c 'from foo import *; print hello()'
And the middle ground:
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关于php的socket初探 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...新知识的那种动力，可能在大多数的人眼里，php是专为web而生，做wep app是一流的快速好用，并极易简单和容易上手，做起web所需的各项功能可能是分分钟搞定，然后做socket了？可能就觉得不屑一顾了，好像是不务正业，用了自...
SQL Case Sensitive String Compare
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Select * from a_table where attribute = 'k' COLLATE Latin1_General_CS_AS
Did the trick.
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How to implement Android Pull-to-Refresh
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Finally, Google released an official version of the pull-to-refresh library!
It is called SwipeRefreshLayout, inside the support library, and the documentation is here:
Add SwipeRefreshLayout as a parent of view which will be trea...
Computed / calculated / virtual / derived columns in PostgreSQL
Does PostgreSQL support computed / calculated columns, like MS SQL Server? I can't find anything in the docs, but as this feature is included in many other DBMSs I thought I might be missing something.
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Deleting lines from one file which are in another file
... edited Mar 12 '19 at 12:49
Bernhard Barker
49.5k1313 gold badges7777 silver badges118118 bronze badges
answered Jan 24 '11 at 9:06
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