大约有 47,000 项符合查询结果（耗时：0.0712秒） [XML]
Check if a value is in an array (C#)
... @0A0D. This answer is I think straight best one as simplest/shortest and well known way to achieve same thing (How do I check if a value is in an array in C#?) and efficient as well. No loop no extra method. Just a namespace is extra which is not a big thing.
– Sami
...
Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala
Why do Scala and frameworks like Spark and Scalding have both reduce and foldLeft ? So then what's the difference between reduce and fold ?
...
Matching an empty input box using CSS
...: 1px solid red; /* Red border only if the input is empty */
}
More info and browser support: https://css-tricks.com/almanac/selectors/p/placeholder-shown/
share
|
improve this answer
|
...
Named capturing groups in JavaScript regex?
...s of named capturing groups I can think of:
In some regex flavors (.NET and JGSoft, as far as I know), you can use the same name for different groups in your regex (see here for an example where this matters). But most regex flavors do not support this functionality anyway.
If you need to refer t...
How to use 'find' to search for files created on a specific date? [closed]
How do I use the UNIX command find to search for files created on a specific date?
9 Answers
...
Benefits of inline functions in C++?
...fast CPUs, huge memory etc. (not like in the 1980< where memory was scarce and everything had to fit in 100KB of memory) what advantages do they really have today?
...
Best way to generate random file names in Python
In Python, what is a good, or the best way to generate some random text to prepend to a file(name) that I'm saving to a server, just to make sure it does not overwrite. Thank you!
...
do { … } while (0) — what is it good for? [duplicate]
...ostly in #defines, I assume it's good for inner scope variable declaration and for using breaks (instead of gotos.)
5 Answe...
How do you load custom UITableViewCells from Xib files?
...ot simple due to memory managment issues. This thread mentions the issue and suggests a solution, but is pre NDA-release and lacks code. Here's a long thread that discusses the issue without providing a definitive answer.
...
How to spread django unit tests over multiple files?
...ins with test, automatically build a test
suite out of those test cases, and run that suite.
From Django 1.6 documentation,
Test discovery is based on the unittest module’s built-in test
discovery. By default, this will discover tests in any file named
“test*.py” under the current ...