大约有 40,000 项符合查询结果（耗时：0.0637秒） [XML]
Pythonic way to combine FOR loop and IF statement
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edited Aug 8 '11 at 12:19
Johnsyweb
115k2121 gold badges163163 silver badges224224 bronze badges
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What's a good rate limiting algorithm?
... triggers less messages than the limit (e.g., rate limit is 5 messages per 8 seconds, and the person triggers only 4), and the next trigger is over the 8 seconds (e.g., 16 seconds later), the bot sends the message, but the queue becomes full and the bot waits 8 seconds, even though it's not needed s...
Wrapping chained method calls on a separate line in Eclipse for Java
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188
Complementing Deepak Azad's answer, what you exactly need is the following:
Windows: Window...
How to produce a range with step n in bash? (generate a sequence of numbers with increments)
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edited Feb 18 '15 at 18:36
Rob Bednark
17.9k1515 gold badges6565 silver badges9595 bronze badges
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How can I change Mac OS's default Java VM returned from /usr/libexec/java_home
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89
I think JAVA_HOME is the best you can do. The command-line tools like java and javac will resp...
Find the max of two or more columns with pandas
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185
You can get the maximum like this:
>>> import pandas as pd
>>> df = pd.DataF...
Split string into array of character strings
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Stephan
36.1k4848 gold badges208208 silver badges299299 bronze badges
answered Oct 19 '12 at 7:35
cobertycoberty
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Regular expression to match numbers with or without commas and decimals in text
...ure the whole thing wasn't blank.
Tested here: http://rextester.com/YPG96786
This will allow things like:
100,000
999.999
90.0009
1,000,023.999
0.111
.111
0
It will block things like:
1,1,1.111
000,001.111
999.
0.
111.110000
1.1.1.111
9.909,888
There are several ways to make this regex simpler an...
Rank function in MySQL
...erson VALUES (5, 'Nick', 22, 'M');
INSERT INTO person VALUES (6, 'Kathy', 18, 'F');
INSERT INTO person VALUES (7, 'Steve', 36, 'M');
INSERT INTO person VALUES (8, 'Anne', 25, 'F');
Result:
+------------+------+--------+------+
| first_name | age | gender | rank |
+------------+------+--------+--...