大约有 3,600 项符合查询结果(耗时:0.0182秒) [XML]

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What's the difference between utf8_general_ci and utf8_unicode_ci?

... equality comparison. This leads to cases where "か" == "が" or "ǽ" == "æ". For sorting this makes sense but could be surprising when selecting via equalities or dealing with unique indices - bugs.mysql.com/bug.php?id=16526 – Mat Schaffer Mar 13 '15 at 15:2...
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Random Gaussian Variables

... edited May 28 '12 at 19:07 Dänu 5,17399 gold badges3636 silver badges5454 bronze badges answered Jan 4 '11 at 14:50 ...
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How to execute raw SQL in Flask-SQLAlchemy app

...dited May 29 at 9:50 Ilja Everilä 36.5k55 gold badges7272 silver badges8686 bronze badges answered Sep 15 '13 at 4:35 ...
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What are the differences among grep, awk & sed? [duplicate]

...le name lists. Awk is an entire programming language built around reading CSV-style files, processing the records, and optionally printing out a result data set. It can do many things but it is not the easiest tool to use for simple tasks. Sed is useful when you want to make changes to a file base...
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How to capture UIView to UIImage without loss of quality on retina display

... May 30 '19 at 16:12 Linus Unnebäck 14k99 gold badges5959 silver badges7575 bronze badges answered Mar 19 '14 at 2:09 ...
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Change the name of a key in dictionary

...dictionary comprehension: This is an example I encountered while reading a CSV using a DictReader. The user had suffixed all the column names with ':' ori_dict = {'key1:' : 1, 'key2:' : 2, 'key3:' : 3} to get rid of the trailing ':' in the keys: corrected_dict = { k.replace(':', ''): v for k, v i...
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How to get overall CPU usage (e.g. 57%) on Linux [closed]

... full seconds until it returns the result. – Johan Bjäreholt Jan 30 '15 at 11:16 Question is closed, so added my (sim...
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Removing duplicate values from a PowerShell array

... duplicate. Typically I have to Remove Duplicates manually from the final CSV output in Excel to finish the report, but sometimes I would like to continue working with said data within Powershell after removing the duplicates. ...
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how do i block or restrict special characters from input fields with jquery?

...haracters like backspace or F5 may be prevented by the above code. é, í, ä etc Arabic or Chinese... Cross Browser compatibility I think this area is complex enough to warrant using a 3rd party plugin. I tried out several of the available plugins but found some problems with each of them so I we...
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Best documentation for Boost:asio?

...velop your own custom asio extensions. Really fantastic effort by Boris Schäling! share | improve this answer | follow | ...