大约有 38,000 项符合查询结果(耗时:0.0564秒) [XML]
How can I replace a newline (\n) using sed?
...h or delete a newline using the \n escape
sequence? Why can't I match 2 or more lines using \n?
The \n will never match the newline at the end-of-line because the
newline is always stripped off before the line is placed into the
pattern space. To get 2 or more lines into the pattern space, use
the '...
What is the difference between a framework and a library?
... sense of a classical library) and call it a "framework" because it sounds more fancy.
share
|
improve this answer
|
follow
|
...
Placement of the asterisk in pointer declarations
...C/C++, and there is one thing I do not really understand about pointers or more precisely, their definition.
12 Answers
...
Writing data into CSV file in C#
... was a simple solution to a simple question), however due to this becoming more and more popular, I'd recommend using the library CsvHelper that does all the safety checks, etc.
CSV is way more complicated than what the question/answer suggests.
Original Answer
As you already have a loop, consi...
Multiple returns from a function
...
Technically, you can't return more than one value. However, there are multiple ways to work around that limitation. The way that acts most like returning multiple values, is with the list keyword:
function getXYZ()
{
return array(4,5,6);
}
list($x,$...
How to check if two arrays are equal with JavaScript? [duplicate]
...
|
show 13 more comments
179
...
A weighted version of random.choice
...b5050, Mar 21 2017, 01:21:04)
Type 'copyright', 'credits' or 'license' for more information
IPython 6.0.0 -- An enhanced Interactive Python. Type '?' for help.
In [1]: import random
In [2]: random.choices(
...: population=[['a','b'], ['b','a'], ['c','b']],
...: weights=[0.2, 0.2, 0.6],
......
Constantly print Subprocess output while process is running
...he process pauses for a bit without writing anything to stdout there is no more input to read. You will need a loop to check whether or not the process has finished. I tried this using subprocess32 on python 2.7
– Har
Dec 26 '15 at 19:05
...
Is JavaScript's “new” keyword considered harmful?
...ceof arguments.callee)) throw Error("Constructor called as a function");// More generic, don't require knowledge of the constructors name, make the user fix the code.
– some
Dec 20 '08 at 17:47
...
Check if a Bash array contains a value
...over array elements and concatenates them into a string, it's probably not more efficient than the looping solutions proposed, but it's more readable.
if [[ " ${array[@]} " =~ " ${value} " ]]; then
# whatever you want to do when array contains value
fi
if [[ ! " ${array[@]} " =~ " ${value} " ]...