大约有 40,000 项符合查询结果（耗时：0.0507秒） [XML]
Split string using a newline delimiter with Python
...nt(data.split()) # ['a,b,c', 'd,e,f', 'g,h,i', 'j,k,l']
str.split, by default, splits by all the whitespace characters. If the actual string has any other whitespace characters, you might want to use
print(data.split("\n")) # ['a,b,c', 'd,e,f', 'g,h,i', 'j,k,l']
Or as @Ashwini Chaudhary...
When to use thread pool in C#? [closed]
...
Idle managed threads eat memory for their stack. By default is 1 MiB per thread. So it is better to have all threads working.
– Vadym Stetsiak
May 13 '11 at 9:03
...
Difference between git checkout --track origin/branch and git checkout -b branch origin/branch
...te 'abranch', not a branch with a different name.
(That is, as commented by Sebastian Graf, if the local branch did not exist already.
If it did, you would need git checkout -B abranch origin/abranch)
Note: with Git 2.23 (Q3 2019), that would use the new command git switch:
git switch -c <b...
UIDevice uniqueIdentifier deprecated - What to do now?
...
A UUID created by CFUUIDCreate is unique if a user uninstalls and re-installs the app: you will get a new one each time.
But you might want it to be not unique, i. e. it should stay the same when the user uninstalls and re-installs the app...
Queue.Queue vs. collections.deque
...mind that if you're communicating across threads, you're playing with fire by using deque. deque is threadsafe by accident due to the existence of the GIL. An GIL-less implementation will have completely different performance characteristics, so discounting other implementations isn't wise. Besides,...
Evaluate expression given as a string
...o know if R can use its eval() function to perform calculations provided by e.g. a string.
7 Answers
...
When is .then(success, fail) considered an antipattern for promises?
... @ygoe Indeed. done is a Bluebird thing that was basically deprecated by then+unhandled-rejection detection.
– Bergi
Mar 31 '19 at 18:58
1
...
config.assets.compile=true in Rails production, why not?
The default Rails app installed by rails new has config.assets.compile = false in production.
7 Answers
...
List files in local git repo?
... --name-only HEAD
lists all of the already committed files being tracked by your git repo.
share
|
improve this answer
|
follow
|
...
Oracle PL/SQL - How to create a simple array variable?
...DBMS_SQL.VARCHAR2_TABLE to hold an in-memory variable length array indexed by a BINARY_INTEGER:
DECLARE
name_array dbms_sql.varchar2_table;
BEGIN
name_array(1) := 'Tim';
name_array(2) := 'Daisy';
name_array(3) := 'Mike';
name_array(4) := 'Marsha';
--
FOR i IN name_array.FIRST ....