大约有 15,500 项符合查询结果（耗时：0.0300秒） [XML]
Are global variables bad? [closed]
...t passing around a pointer. I'd say that the rule isn't just clarity, but testability too - and using a non-global tends to make things much easier to test.
– UKMonkey
Jun 6 '18 at 13:52
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How to check if an element is in an array
... be equatable and takes a predicate as an
argument, see e.g. Shorthand to test if an object exists in an array for Swift?.
Swift older versions:
let elements = [1,2,3,4,5]
if contains(elements, 5) {
println("yes")
}
...
Find string between two substrings [duplicate]
...n -- what about @Tim McNamara's suggestion of something like ''.join(start,test,end) in a_string?
– jdd
Jul 30 '10 at 13:13
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Regex Email validation
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Returns test@-online.com as valid. Should be invalid.
– Mathias F
Jun 4 '13 at 14:48
7
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After submitting a POST form open a new window showing the result
..."form");
form.setAttribute("method", "post");
form.setAttribute("action", "test.jsp");
// setting form target to a window named 'formresult'
form.setAttribute("target", "formresult");
var hiddenField = document.createElement("input");
hiddenField.setAttribute("name", "id");
hiddenFie...
Get first day of week in SQL Server
...collected all the answers provided so far and ran them through two sets of tests - one cheap and one expensive. I measured client statistics because I don't see I/O or memory playing a part in the performance here (though those may come into play depending on how the function is used). In my tests t...
Any way to replace characters on Swift String?
...
Did you test this :
var test = "This is my string"
let replaced = test.stringByReplacingOccurrencesOfString(" ", withString: "+", options: nil, range: nil)
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Batch script: how to check for admin rights
... of which have their own security, usability, and portability issues.
Testing
I've independently confirmed that this works on:
Windows XP, x86
Windows XP, x64
Windows Vista, x86
Windows Vista, x64
Windows 7, x86
Windows 7, x64
Windows 8, x86
Windows 8, x64
Windows 10 v1909, x64
(see scre...
In Unix, can I run 'make' in a directory without cd'ing to that directory first?
...
makefile:
all:
gcc -Wall -Wpedantic -std=gnu99 -g src/test.c -o build/test
run:
./build/test
or
run:
./../build/test
etc.
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How to count the number of files in a directory using Python
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os.listdir() will be slightly more efficient than using glob.glob. To test if a filename is an ordinary file (and not a directory or other entity), use os.path.isfile():
import os, os.path
# simple version for working with CWD
print len([name for name in os.listdir('.') if os.path.isfile(name...