大约有 31,840 项符合查询结果(耗时:0.0675秒) [XML]

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ComboBox: Adding Text and Value to an Item (no Binding Source)

... do we realy need this new class ComboboxItem? i think there is one already exist called ListItem. – Amr Elgarhy Jun 17 '10 at 16:07 15 ...
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Formatting Decimal places in R

... two decimal places when output to screen (or written to a file). How does one do that? 12 Answers ...
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Transpose list of lists

... One way to do it is with NumPy transpose. For a list, a: >>> import numpy as np >>> np.array(a).T.tolist() [[1, 4, 7], [2, 5, 8], [3, 6, 9]] Or another one without zip: >>> map(list,map(None,*a)) [...
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Argparse optional positional arguments?

... Use nargs='?' (or nargs='*' if you will need more than one dir) parser.add_argument('dir', nargs='?', default=os.getcwd()) extended example: >>> import os, argparse >>> parser = argparse.ArgumentParser() >>> parser.add_argument('-v', action='store_t...
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Why use double indirection? or Why use pointers to pointers?

When should a double indirection be used in C? Can anyone explain with a example? 18 Answers ...
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How do I implement an Objective-C singleton that is compatible with ARC?

...; return sharedInstance; } else,you should do this: + (id)allocWithZone:(NSZone *)zone { static MyClass *sharedInstance = nil; static dispatch_once_t onceToken; dispatch_once(&onceToken, ^{ sharedInstance = [super allocWithZone:zone]; }); return sharedInstance;...
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How can I mix LaTeX in with Markdown? [closed]

...nline LaTeX and LaTeX templates for 10 years. Documents like the following one can be written in Markdown: --- title: Just say hello! author: My Friend header-includes: | \usepackage{tikz,pgfplots} \usepackage{fancyhdr} \pagestyle{fancy} \fancyhead[CO,CE]{This is fancy} \fancyfoo...
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Difference between @Mock and @InjectMocks

...} class Game { private Player player; private List<String> opponents; public Game(Player player, List<String> opponents) { this.player = player; this.opponents = opponents; } public int numberOfEnemies() { return opponents.size(); } // ... That's because...
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How can I beautify JavaScript code using Command Line?

...pick your favorite Javascript based Pretty Print/Beautifier. I prefer the one at http://jsbeautifier.org/, because it's what I found first. Downloads its file https://github.com/beautify-web/js-beautify/blob/master/js/lib/beautify.js Second, download and install The Mozilla group's Java based Jav...
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How to clear basic authentication details in chrome

... Doesn't work for me in Chrome 28 on Mac. If I log in with one user then put a different user in the URL, it seems to use the old user and password. – Jason Jul 27 '13 at 18:47 ...