大约有 3,500 项符合查询结果（耗时：0.0316秒） [XML]
How do you change the size of figures drawn with matplotlib?
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Excellent! Also useful for setting it once and plotting multiple times.
– automorphic
Oct 18 '17 at 22:44
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MySQL select 10 random rows from 600K rows fast
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Simple query that has excellent performance and works with gaps:
SELECT * FROM tbl AS t1 JOIN (SELECT id FROM tbl ORDER BY RAND() LIMIT 10) as t2 ON t1.id=t2.id
This query on a 200K table takes 0.08s and the normal version (SELECT * FROM tbl OR...
How to extract text from a PDF? [closed]
...for locally generated pdfs, but harder with obscure sources. Otherwise, an excellent scriptlet.
– Jon M
Dec 23 '17 at 12:38
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Make function wait until element exists
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Excellent solution to wait for something being created by Ajax before putting some other thing in there. Thanks a lot.
– Countzero
Nov 24 '15 at 9:13
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How to open an elevated cmd using command line for Windows?
...shell "start cmd -v runAs"
This is just a shorter version of user3018703 excellent
solution:
powershell -Command "Start-Process cmd -Verb RunAs"
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xcopy file, rename, suppress “Does xxx specify a file name…” message
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Excellent solution - clean, elegant, doesn't use a different command, compatible with existing xcopy flags, works flawlessly. This should be the top voted answer.
– Brian Swift
Sep 11 '1...
Set type for function parameters?
...IDE. You can do a lot of stuff in vi, just as you can make music videos in Excel. Good idea? Probably not. Use the right tool for the job.
– Dan Dascalescu
Feb 3 at 22:46
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Do threads have a distinct heap?
...rena), and some might use distinct arenas.
See the following thread for an excellent explanation of the details: How does malloc work in a multithreaded environment?
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SLF4J: Class path contains multiple SLF4J bindings
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Excellent. Saved me from a few hours of dependency hell!
– jseals
Mar 16 '18 at 16:28
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Is there a CSS selector for elements containing certain text?
...ent in both the display and the class attributes, and then select on that. Excellent!
– Jon Kloske
Jun 17 '19 at 6:31
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