大约有 45,000 项符合查询结果（耗时：0.0384秒） [XML]
Turn off Visual Studio Attach security warning when debugging IIS
...value was reset to 0. I then changed it back to 1 and started VS2008. It now works fine. I have tried to close VS2008 and open it back and the registry value stays 1. Thanks for your help
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Sorting list based on values from another list?
...buteError: 'zip' object has no attribute 'sort' is what I am getting as of now.
– Ash Upadhyay
Jan 23 '18 at 12:57
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json_encode is returning NULL?
...e. I had values with non-utf8 chars like "Validação de Formulários". I know this question is a little bit old now, but that's the awesomeness of internet!!
– fabio
Feb 11 '11 at 23:23
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On delete cascade with doctrine2
...also want to point out that the way you have your cascade={"remove"} right now, if you delete a Child object, this cascade will remove the Parent object. Clearly not what you want.
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What is the most efficient way to loop through dataframes with pandas? [duplicate]
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The newest versions of pandas now include a built-in function for iterating over rows.
for index, row in df.iterrows():
# do some logic here
Or, if you want it faster use itertuples()
But, unutbu's suggestion to use numpy functions to avoid iter...
require file as string
...d Oct 5 '12 at 19:43
Jonathan LonowskiJonathan Lonowski
108k3131 gold badges188188 silver badges191191 bronze badges
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How to inherit constructors?
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In such context you're right although now "best practices" becomes "best available practices".
– too
Aug 26 '12 at 18:06
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Remove the legend on a matplotlib figure
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Right. Thanks for the answer. Now I agree that draw is more appropriate (but I've always used show to update my graphs...).
– Olivier Verdier
Apr 20 '11 at 20:31
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Select random lines from a file
...lines_78000000000.txt
This gives me a a file with 78 Billion newlines ;-)
Now for the shuf part:
$ time shuf -n 10 lines_78000000000.txt
shuf -n 10 lines_78000000000.txt 2171.20s user 22.17s system 99% cpu 36:35.80 total
The bottleneck was CPU and not using multiple threads, it pinned ...
How to prevent ifelse() from turning Date objects into numeric objects
...<- "Date"
str(dates)
At first this felt a little "hackish" to me. But now I just think of it as a small price to pay for the performance returns that I get from ifelse(). Plus it's still a lot more concise than a loop.
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