大约有 6,400 项符合查询结果(耗时:0.0210秒) [XML]

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Magic number in boost::hash_combine

... Because Python's floating point number doesn't have enough precision, the 64-bit golden ratios above are not correct. The actual result should be 0x9e3779b97f4a7c15. – kennytm Nov 27 '15 at 15:0...
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What special characters must be escaped in regular expressions?

...ad, Java, JavaScript, Perl, PHP (preg), PostgreSQL, PowerGREP, PowerShell, Python, REALbasic, Real Studio, Ruby, TCL, VB.Net, VBScript, wxWidgets, XML Schema, Xojo, XRegExp.PCRE compatibility may vary     Anywhere: . ^ $ * + - ? ( ) [ ] { } \ | Legacy RegEx Flavors (BRE/ERE) Includes awk, ed, e...
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SublimeText encloses lines in white rectangles

... If you are using Anaconda plugin (for Python development) this is it's linting functionality - it highlights Python syntax errors and PEP8 violations. You can disable this feature completely or change the color of this outline by adding some custom rules to you...
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Difference between map, applymap and apply methods in Pandas

... Straight from Wes McKinney's Python for Data Analysis book, pg. 132 (I highly recommended this book): Another frequent operation is applying a function on 1D arrays to each column or row. DataFrame’s apply method does exactly this: In [116]: fram...
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Why are empty catch blocks a bad idea? [closed]

... There are rare instances where it can be justified. In Python you often see this kind of construction: try: result = foo() except ValueError: result = None So it might be OK (depending on your application) to do: result = bar() if result == None: try: resu...
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figure of imshow() is too small

... I'm new to python too. Here is something that looks like will do what you want to axes([0.08, 0.08, 0.94-0.08, 0.94-0.08]) #[left, bottom, width, height] axis('scaled')` I believe this decides the size of the canvas. ...
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Passing base64 encoded strings in URL

...you to change the charset to match URLs better or even come with one (like Python's urlsafe_b64encode()). Another issue you may be facing is the limit of URL length or rather — lack of such limit. Because standards do not specify any maximum length, browsers, servers, libraries and other software...
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Django, creating a custom 500/404 error page

...in your urls.py file and point the exported Django variables to the string Python path of where these Django functional views are defined, like so: # project/urls.py handler404 = 'my_app.views.handler404' handler500 = 'my_app.views.handler500' Update for Django 2.0 Signatures for handler views ...
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What is the correct way to get a subarray in Scala?

.... What I would like the most would be something like how you can do it in python: 3 Answers ...
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Does Django scale? [closed]

... 200TB of Code and 2.500.000 Users Disqus: Serving 400 million people with Python. curse.com: 600k daily visits. tabblo.com: 44k daily visits, see Ned Batchelder's posts Infrastructure for modern web sites. chesspark.com: Alexa rank about 179k. pownce.com (no longer active): alexa rank about 65k. Mi...