大约有 47,000 项符合查询结果（耗时：0.0570秒） [XML]
How to validate an e-mail address in swift?
...ValidEmail(_ 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 versions of Swift earlier than 3.0:
func isValidEmail(e...
Naming returned columns in Pandas aggregate function? [duplicate]
...
107
This will drop the outermost level from the hierarchical column index:
df = data.groupby(...)....
iOS Image Orientation has Strange Behavior
...camera (or taken with somebody else's camera and MMS'd to me) are rotated 90 degrees. I wasn't sure why in the world this was happening (hence my question ) but I was able to come up with a cheap work around.
...
Tools for analyzing performance of a Haskell program
...oblem.
Run your program with +RTS -s
$ time ./A +RTS -s
./A +RTS -s
749700
9,961,432,992 bytes allocated in the heap
2,463,072 bytes copied during GC
29,200 bytes maximum residency (1 sample(s))
187,336 bytes maximum slop
**2 MB** total memory in use (0...
Given an array of numbers, return array of products of all other numbers (no division)
...
260
An explanation of polygenelubricants method is:
The trick is to construct the arrays (in the c...
What is the JavaScript >>> operator and how do you use it?
...doing a bitwise operation with no actual effect, like a rightward-shift of 0 bits >>0, is a quick way to round a number and ensure it is in the 32-bit int range. Additionally, the triple >>> operator, after doing its unsigned operation, converts the results of its calculation to Numbe...
Common xlabel/ylabel for matplotlib subplots
...lots(nrows=3, ncols=3, sharex=True, sharey=True, figsize=(6, 6))
fig.text(0.5, 0.04, 'common X', ha='center')
fig.text(0.04, 0.5, 'common Y', va='center', rotation='vertical')
share
|
improve th...
What is the most efficient string concatenation method in python?
... |
edited May 11 '16 at 7:04
Quentin Pradet
4,28622 gold badges2626 silver badges4040 bronze badges
answ...
How to output only captured groups with sed?
...
answered May 6 '10 at 2:39
Paused until further notice.Paused until further notice.
286k8181 gold badges340340 silver badges409409 bronze badges
...
Eclipse RCP开发桌面程序 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... Platform的缩写，即富客户平台，是Eclipse进化的产物（自3 0版以后出现），是Eclipse组织向用户提供的强大的开 所谓RCP，就是Rich Client Platform的缩写，即富客户平台，是Eclipse进化的产物（自3.0版以后出现），是Eclipse组织向用户提...