大约有 44,000 项符合查询结果（耗时：0.0747秒） [XML]
What is the “hasClass” function with plain JavaScript?
...er than that it works good) , that's why jQuery's implementation is better and more reliable. For example: /\bbig\b/.test('big-text') returns true instead of expected false.
– Stano
Jun 18 '13 at 18:43
...
Throwing cats out of windows
...y write a little DP (dynamic programming) for the general case of n floors and m cats.
The main formula, a[n][m] = min(max(a[k - 1][m - 1], a[n - k][m]) + 1) : for each k in 1..n, should be self-explanatory:
If first cat is thrown from k-th floor and dies, we now have k - 1 floors to check (all...
Non-type template parameters
I understand that the non-type template parameter should be a constant integral expression. Can someone shed light why is it so ?
...
What do pty and tty mean?
I noticed there are many mentions of pty and tty in some opensource projects, could someone can tell me what do they mean and what is the difference between them? Thanks!
...
Check if a file exists with wildcard in shell script [duplicate]
... completely silent.
EDIT: Since this answer has got a bit of attention (and very useful critic remarks as comments), here is an optimization that also relies on glob expansion, but avoids the use of ls:
for f in /path/to/your/files*; do
## Check if the glob gets expanded to existing files.
...
Linq to Entities - SQL “IN” clause
... .NET.
There are two ways of doing this using LINQ, one uses query syntax and the other uses method syntax. Essentially, they are the same and could be used interchangeably depending on your preference:
Query Syntax:
var selected = from u in users
where new[] { "Admin", "User", "L...
Remove rows with duplicate indices (Pandas DataFrame and TimeSeries)
...utomated weather data from the web. The observations occur every 5 minutes and are compiled into monthly files for each weather station. Once I'm done parsing a file, the DataFrame looks something like this:
...
Importing CommonCrypto in a Swift framework
...
Something a little simpler and more robust is to create an Aggregate target called "CommonCryptoModuleMap" with a Run Script phase to generate the module map automatically and with the correct Xcode/SDK path:
The Run Script phase should contain thi...
Perform commands over ssh with Python
I'm writing a script to automate some command line commands in Python. At the moment I'm doing calls thus:
13 Answers
...
Shortcuts in Objective-C to concatenate NSStrings
...factored). The function is also better implemented with an NSMutableString and -appendString to avoid creating an unbounded set of temporary autoreleased NSStrings.
– Rob Napier
Feb 16 '10 at 14:34
...