大约有 44,000 项符合查询结果（耗时：0.0758秒） [XML]
Retain precision with double in Java
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153
As others have mentioned, you'll probably want to use the BigDecimal class, if you want to hav...
Coffeescript — How to create a self-initiating anonymous function?
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160
While you can just use parentheses (e.g. (-> foo)(), you can avoid them by using the do key...
error: command 'gcc' failed with exit status 1 while installing eventlet
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16 Answers
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Display two files side by side
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167
You can use pr to do this, using the -m flag to merge the files, one per column, and -t to omi...
Loop through all nested dictionary values?
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12 Answers
12
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Why are these constructs using pre and post-increment undefined behavior?
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14 Answers
14
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Appending to an existing string
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165
You can use << to append to a string in-place.
s = "foo"
old_id = s.object_id
s <<...
Multiple simultaneous downloads using Wget?
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15 Answers
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Avoid duplicates in INSERT INTO SELECT query in SQL Server
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Using NOT EXISTS:
INSERT INTO TABLE_2
(id, name)
SELECT t1.id,
t1.name
FROM TABLE_1 t1
WHERE NOT EXISTS(SELECT id
FROM TABLE_2 t2
WHERE t2.id = t1.id)
Using NOT IN:
INSERT INTO TABLE_2
(id, name)
SELECT t1.id,
t1.name
F...