大约有 43,000 项符合查询结果（耗时：0.0379秒） [XML]
Find() vs. Where().FirstOrDefault()
...ple kinds of sequences, including List<T>, T[], Collection<T>, etc. Any sequence that implements IEnumerable<T> can use these methods. Find is available only for the List<T>. Methods that are generally more applicable, are then more reusable and have a greater impact.
I g...
How to merge a transparent png image with another image using PIL
...f the type RGBA. So you need to call convert('RGBA') if they are paletted, etc.. If the background does not have an alpha channel, then you can use the regular paste method (which should be faster).
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apt-get for Cygwin?
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apt-cyg update will update setup.ini etc, if anyone has issues without of date setup.ini
– nwgat
Aug 4 '15 at 5:08
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How to run Visual Studio post-build events for debug build only
... having to pass them into a batch file, remember that %1 is $(OutputPath), etc.
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How can I dynamically set the position of view in Android?
...mb and up you can use the setX(...), setY(...), setLeft(...), setTop(...), etc.
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When would you call java's thread.run() instead of thread.start()?
...since that leaves you more flexibility (such as passing it to an Executor, etc.).
– Adam Crume
Feb 27 '11 at 17:27
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JavaScript: Create and save file [duplicate]
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It depends on the browser, os, etc. At the time I wrote the answer, a csv data url in Chrome would pop a save dialog
– Matt Greer
Jul 22 '14 at 20:53
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How to find the Git commit that introduced a string in any branch?
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git log -S"string_to_search" # options like --source --reverse --all etc
Pay attention not to use spaces between S and "string_to_search". In some setups (git 1.7.1), you'll get an error like:
fatal: ambiguous argument 'string_to_search': unknown revision or path not in the working tree.
Us...
Are there any CSV readers/writer libraries in C#? [closed]
...m just looking for a way to prevent errors in the files (escaping properly etc).
– u84six
Oct 9 '18 at 21:09
Yes. You ...
How do I convert this list of dictionaries to a csv file?
...omatically convert string numbers in CSVs into the correct type (int,float,etc) when loading the file.
import pandas
dataframe = pandas.read_csv(filepath)
list_of_dictionaries = dataframe.to_dict('records')
dataframe.to_csv(filepath)
Note:
pandas will take care of opening the file for you if y...