大约有 31,400 项符合查询结果(耗时:0.0408秒) [XML]

https://stackoverflow.com/ques... 

Change column type from string to float in Pandas

...ost) any other type (even if it's not necessarily sensible to do so). Also allows you to convert to categorial types (very useful). infer_objects() - a utility method to convert object columns holding Python objects to a pandas type if possible. convert_dtypes() - convert DataFrame columns to the ...
https://stackoverflow.com/ques... 

How to wait in bash for several subprocesses to finish and return exit code !=0 when any subprocess

... wait also (optionally) takes the PID of the process to wait for, and with $! you get the PID of the last command launched in background. Modify the loop to store the PID of each spawned sub-process into an array, and then loop again waiting o...
https://stackoverflow.com/ques... 

When to use symbols instead of strings in Ruby?

...iers. For Ruby < 2.2 only use symbols when they aren't generated dynamically, to avoid memory leaks. Full answer The only reason not to use them for identifiers that are generated dynamically is because of memory concerns. This question is very common because many programming languages don't h...
https://stackoverflow.com/ques... 

How to Load an Assembly to AppDomain with all references recursively?

...e I wrote to solve this problem: github.com/jduv/AppDomainToolkit. Specifically, look at the LoadAssemblyWithReferences method in this class: github.com/jduv/AppDomainToolkit/blob/master/AppDomainToolkit/… – Jduv Mar 14 '13 at 14:44 ...
https://stackoverflow.com/ques... 

Regular expression for floating point numbers

...ssues in some languages (like Java). Thanks to the nameless one for originally recognizing this. One relatively simple pattern for matching a floating point number is [+-]?([0-9]*[.])?[0-9]+ This will match: 123 123.456 .456 See a working example If you also want to match 123. (a period w...
https://stackoverflow.com/ques... 

What is the best practice for “Copy Local” and with project references?

...=================== GetCopyToOutputDirectoryItems Get all project items that may need to be transferred to the output directory. ============================================================ --> <Target Name="GetCopyToOutputDirectoryItems" Outputs="@(AllItemsFullPat...
https://stackoverflow.com/ques... 

What's the best UML diagramming tool? [closed]

I'm trying to choose a tool for creating UML diagrams of all flavours. Usability is a major criteria for me, but I'd still take more power with a steeper learning curve and be happy. Free (as in beer) would be nice, but I'd be willing to pay if the tool's worth it. What should I be using? ...
https://stackoverflow.com/ques... 

Refresh all files in buffer from disk in vim

... bufdo e curiously leaves all the buffers un-syntax-highlighted – Steven Lu Jul 9 '13 at 23:03 ...
https://stackoverflow.com/ques... 

Idiomatic way to wait for multiple callbacks in Node.js

...erations are obviously asynchronous. What is the idiomatic way to wait for all operations to finish in order to know when the temp file can be deleted? ...
https://stackoverflow.com/ques... 

Expand Python Search Path to Other Source

.... Remember that when you distribute your project to other users, they typically install it in such a manner that the Python code files will be automatically detected by Python's importer (i.e. packages are usually installed in the site-packages directory), so if you mess with sys.path in your code, ...