大约有 47,000 项符合查询结果（耗时：0.1044秒） [XML]
Linux bash: Multiple variable assignment
...First thing that comes into my mind:
read -r a b c <<<$(echo 1 2 3) ; echo "$a|$b|$c"
output is, unsurprisingly
1|2|3
share
|
improve this answer
|
follow
...
Windows batch: formatted date into variable
...that contain the individual parts, would be:
for /f %%x in ('wmic path win32_localtime get /format:list ^| findstr "="') do set %%x
set today=%Year%-%Month%-%Day%
Much nicer than fiddling with substrings, at the expense of polluting your variable namespace.
If you need UTC instead of local time,...
How to determine the longest increasing subsequence using dynamic programming?
...N) = O(N log N)
Now let's do a real example:
Collection of integers:
2 6 3 4 1 2 9 5 8
Steps:
0. S = {} - Initialize S to the empty set
1. S = {2} - New largest LIS
2. S = {2, 6} - New largest LIS
3. S = {2, 3} - Changed 6 to 3
4. S = {2, 3, 4} - New largest LIS
5. S = {1, 3, 4} - Changed 2 to 1...
Retrieve only the queried element in an object array in MongoDB collection
...
db.test.find({"shapes.color": "red"}, {_id: 0, 'shapes.$': 1});
MongoDB 3.2 Update
Starting with the 3.2 release, you can use the new $filter aggregation operator to filter an array during projection, which has the benefit of including all matches, instead of just the first one.
db.test.aggrega...
PHP Function Comments
...
Josh LeitzelJosh Leitzel
13.6k1010 gold badges5555 silver badges7676 bronze badges
...
Uninstall / remove a Homebrew package including all its dependencies
... argument.
– Shmidt
Sep 20 '14 at 8:37
7
The third party brew rmtree script is now available in a...
How can I check if a key exists in a dictionary? [duplicate]
...
3 Answers
3
Active
...
“x not in y” or “not x in y”
...is(notin)
2 0 LOAD_CONST 1 ('ham')
3 LOAD_CONST 2 ('spam and eggs')
6 COMPARE_OP 7 (not in)
9 POP_TOP
10 LOAD_CONST 0 (None)
13 RETURN_VALUE
>&...
Run java jar file on a server as background process
...
answered Aug 24 '12 at 11:34
Anton BeloglazovAnton Beloglazov
4,02911 gold badge1818 silver badges99 bronze badges
...