大约有 44,000 项符合查询结果（耗时：0.0822秒） [XML]
minimum double value in C/C++
Is there a standard and/or portable way to represent the smallest negative value (e.g. to use negative infinity) in a C(++) program?
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Generate unique random numbers between 1 and 100
How can I generate some unique random numbers between 1 and 100 using JavaScript?
29 Answers
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Accept server's self-signed ssl certificate in Java client
It looks like a standard question, but I couldn't find clear directions anywhere.
12 Answers
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Navigation bar show/hide
...pp with a navigation bar consisting of 2 bar buttons. I would like to hide and show this navigation bar when a user double taps the screen.
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Which sort algorithm works best on mostly sorted data? [closed]
...e highly scientific method of watching animated gifs I would say Insertion and Bubble sorts are good candidates.
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prevent property from being serialized in web API
I'm using an MVC 4 web API and asp.net web forms 4.0 to build a rest API. It's working great:
11 Answers
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What's the role of GetHashCode in the IEqualityComparer in .NET?
I'm trying to understand the role of the GetHashCode method of the interface IEqualityComparer.
3 Answers
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Fully custom validation error message with Rails
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Now, the accepted way to set the humanized names and custom error messages is to use locales.
# config/locales/en.yml
en:
activerecord:
attributes:
user:
email: "E-mail address"
errors:
models:
user:
attributes:
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Copy files from one directory into an existing directory
...irectory, not the directory itself. This method also includes hidden files and folders.
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Drop rows with all zeros in pandas data frame
I can use pandas dropna() functionality to remove rows with some or all columns set as NA 's. Is there an equivalent function for dropping rows with all columns having value 0?
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