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Unable to import a module that is definitely installed
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32 Answers
32
Active
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Why is the String class declared final in Java?
...t see how your answer relates to the question.
– sepp2k
Jan 15 '10 at 1:21
9
Because if it's not ...
How to UPSERT (MERGE, INSERT … ON DUPLICATE UPDATE) in PostgreSQL?
...t's an EXAMPLE.
BEGIN;
UPDATE testtable
SET somedata = 'blah'
WHERE id = 2;
-- Remember, this is WRONG. Do NOT COPY IT.
INSERT INTO testtable (id, somedata)
SELECT 2, 'blah'
WHERE NOT EXISTS (SELECT 1 FROM testtable WHERE testtable.id = 2);
COMMIT;
then when two run at once there are several f...
jQuery: count number of rows in a table
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972
Use a selector that will select all the rows and take the length.
var rowCount = $('#myTable tr...
What's the best way to parse command line arguments? [closed]
...ggests optparse which is appropriate for older Python versions. For Python 2.7 and above, argparse replaces optparse. See this answer for more information.
As other people pointed out, you are better off going with optparse over getopt. getopt is pretty much a one-to-one mapping of the standard ge...
VSS使用指南 - 开源 & Github - 清泛网 - 专注IT技能提升
...vwapdemoProject/…
$/公司产品/WAP产品/thirdparty/jdbc/oracle/class12.jare:devthirdpartyjdbcoracleclass12.jar
$/公司产品/WAP产品/ptree/common/lib/… e:/dev/demoProject/shared/common/lib/…
$/公司产品/WAP产品/代码/common/build/build.sh e:/dev/demoProject/build/build.sh
…...
Dynamically Changing log4j log level
...runtime does not persist the level change.
UPDATE: If you are using Log4j 2 you should remove the calls to setLevel per the documentation as this can be achieved via implementation classes.
Calls to logger.setLevel() or similar methods are not supported in the
API. Applications should remove ...
How do I break a string over multiple lines?
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edited May 30 '19 at 22:23
Alexander Mills
1
answered Sep 24 '10 at 19:54
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Checkout old commit and make it a new commit [duplicate]
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221
git rm -r .
git checkout HEAD~3 .
git commit
After the commit, files in the new HEAD will be...
How to get UTC timestamp in Ruby?
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JoeyJoey
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