大约有 47,000 项符合查询结果(耗时:0.0667秒) [XML]

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Strings in a DataFrame, but dtype is object

Why does Pandas tell me that I have objects, although every item in the selected column is a string — even after explicit conversion. ...
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How to set JFrame to appear centered, regardless of monitor resolution? [closed]

... JFrame Panel and go to your JFrame property bar,click on the Code bar and select Generate Center check box. share | improve this answer | follow | ...
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How do I pick randomly from an array?

... side note, is it proper to change the "correct answer" after I have first selected another answer? – Paul Hoffer Aug 15 '10 at 1:16 1 ...
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How to uninstall Python 2.7 on a Mac OS X 10.6.4?

...thonProfileChanges-2.7 org.python.Python.PythonUnixTools-2.7 you can now select which packages you will unlink (remove). This is the unlink documentation: --unlink package-id Unlinks (removes) each file referenced by package-id. WARNING: This command makes no attempt to perform re...
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How to execute a MySQL command from a shell script?

... mysql -h <host> -u<user> -p<password> database -e \ "SELECT * FROM blah WHERE foo='bar';" share | improve this answer | follow | ...
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All possible array initialization syntaxes

... objects, you can use var arr2 = Enumerable.Repeat(/* dummy: */ false, 10).Select(x => new object()).ToArray(); or similar. – Jeppe Stig Nielsen Jun 10 '14 at 13:28 add a c...
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Team city unmet requirement: MSBuildTools12.0_x86_Path exists

... Yeah, my problem was that the wrong version of Visual Studio was "auto-selected" by Team City when choosing to auto-detect build steps from the "Create Project from URL" option, so I simply went to the build step and changed the Visual Studio version to fix this. I hope people check your answer ...
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How do I wrap text in a pre tag?

...de wont get word-wrapped in the middle of a path or something. Easier to select text range in a text area too if you want to copy to clipboard. The following is a php excerpt so if your not in php then the way you pack the html special chars will vary. <textarea style="font-family:monospace;"...
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Which version of Perl should I use on Windows? [closed]

...able via ActiveState's repository. Like most things, you should make your selection based on which distribution best meets your needs. share | improve this answer | follow ...
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Re-open *scratch* buffer in Emacs?

... M-x switch-to-buffer *scratch* RET The *scratch* buffer is the buffer selected upon startup, and has the major mode Lisp Interaction. Note: the mode for the *scratch* buffer is controlled by the variable initial-major-mode. In general you can create as many "scratch" buffers as you want, and ...