大约有 30,000 项符合查询结果（耗时：0.0460秒） [XML]
How do I convert a String to an int in Java?
...1 Sorry, but this is a pretty poor algorithm, with lots of limitations, no error handling, and some weird anomalies (eg "" gives an exception, "-" will produce 0, and "+" produces -5). Why would anyone choose this over Integer.parseInt(s)? - I see the point about this being an interview question, bu...
Dump a NumPy array into a csv file
... Your method works well for numerical data, but it throws an error for numpy.array of strings. Could you prescribe a method to save as csv for an numpy.array object containing strings?
– Ébe Isaac
Mar 25 '16 at 14:31
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Is git-svn dcommit after merging in git dangerous?
...d answer here messed up what I was doing - couldn't git svn rebase without errors.
– João Bragança
Dec 22 '10 at 23:31
19
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fastest (low latency) method for Inter Process Communication between Java and C/C++
... 37877
This is along the lines of the accepted answer. System.nanotime() error (estimated by measuring nothing) is measured at around 40 nanos so for the IPC the actual result might be lower. Enjoy.
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Equivalent of LIMIT and OFFSET for SQL Server?
...lt;conditions...> ORDER BY columname1 OFFSET 100 ROWS
Then you get an error, so for use TOP and OFFSET together you need to separate it with a sub-query.
And if you need to use SELECT DISTINCT then the query is like:
SELECT TOP 20 FROM (SELECT DISTINCT columname1, columname2
WHERE <con...
How to fix a locale setting warning from Perl?
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Thanks! I had this error message when connecting with git to my server. After adding de_CH.UTF-8 (was not supported there but used locally) with dpkg-reconfigure locales the message is gone.
– Simon A. Eugster
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Is there a better way to express nested namespaces in C++ within the header
...l Studio 2015 and also use Boost, you may encounter very mystical compiler errors when you include some Boost headers. I faced this problem as described in this StackOverflow question
– Vivit
Oct 19 '16 at 8:06
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How do I disable log messages from the Requests library?
...I suggest using setLevel(logging.WARNING) to log also possible warning and error messages.
– razz0
Oct 15 '15 at 15:34
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Rename MySQL database [duplicate]
...-e "show databases like '$3'" -sss`
if [ -n "$db_exists" ]; then
echo "ERROR: New database already exists $3"
exit 1
fi
TIMESTAMP=`date +%s`
character_set=`mysql -h $1 -e "show create database $2\G" -sss | grep ^Create | awk -F'CHARACTER SET ' '{print $2}' | awk '{print $1}'`
TABLES=`mysql -...
Are nested try/except blocks in python a good programming practice?
...
try:
return object.__getattribute__(item)
except AttributeError:
pass # fallback to dict
try:
return self.dict[item]
except KeyError:
raise AttributeError("The object doesn't have such attribute") from None
PS. has_key() has been deprecated for a l...