大约有 44,000 项符合查询结果（耗时：0.0582秒） [XML]
Dynamic variable names in Bash
...[$1]}
}
If you can't use associative arrays (e.g., you must support bash 3), you can use declare to create dynamic variable names:
declare "magic_variable_$1=$(ls | tail -1)"
and use indirect parameter expansion to access the value.
var="magic_variable_$1"
echo "${!var}"
See BashFAQ: Indirec...
Should import statements always be at the top of a module?
...
293
Module importing is quite fast, but not instant. This means that:
Putting the imports at the t...
Dealing with commas in a CSV file
... |
edited May 25 '14 at 23:21
Rory O'Kane
23.8k1111 gold badges8080 silver badges119119 bronze badges
a...
How to split a string with any whitespace chars as delimiters
...
the Tin Man
147k3131 gold badges192192 silver badges272272 bronze badges
answered Oct 22 '08 at 11:31
Henrik PaulHenr...
How to have the formatter wrap code with IntelliJ?
...
edwardmlyte
12.3k2121 gold badges5353 silver badges7979 bronze badges
answered Oct 1 '10 at 9:38
Péter TörökPéte...
Find object in list that has attribute equal to some value (that meets any condition)
...
Tropicalrambler
16333 silver badges1313 bronze badges
answered Aug 19 '11 at 18:01
agfagf
140k32...
Assignment inside lambda expression in Python
...
13 Answers
13
Active
...
sqlalchemy: how to join several tables by one query?
...
Ryabchenko Alexander
3,22711 gold badge1919 silver badges4545 bronze badges
answered May 18 '11 at 13:04
Abdul KaderAbdul ...
Replacing some characters in a string with another character
...
340
echo "$string" | tr xyz _
would replace each occurrence of x, y, or z with _, giving A__BC__...
How to remove spaces from a string using JavaScript?
... |
edited Jul 10 '17 at 13:41
Jonathan
1,73511 gold badge1414 silver badges3131 bronze badges
answered ...