大约有 43,000 项符合查询结果(耗时:0.0735秒) [XML]

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What does the function then() mean in JavaScript?

I’ve been seeing code that looks like: 12 Answers 12 ...
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How do I check if a string is a number (float)?

What is the best possible way to check if a string can be represented as a number in Python? 33 Answers ...
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How efficient can Meteor be while sharing a huge collection among many clients?

Imagine the following case: 4 Answers 4 ...
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Sleeping in a batch file

When writing a batch file to automate something on a Windows box, I've needed to pause its execution for several seconds (usually in a test/wait loop, waiting for a process to start). At the time, the best solution I could find uses ping (I kid you not) to achieve the desired effect. I've found a be...
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How do I create and access the global variables in Groovy?

I need to store a value in a variable in one method and then I need to use that value from that variable in another method or closure. How can I share this value? ...
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How do you use “

I just finished reading about scoping in the R intro , and am very curious about the <<- assignment. 6 Answers ...
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Functional, Declarative, and Imperative Programming [closed]

What do the terms functional, declarative, and imperative programming mean? 14 Answers ...
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How do I find files with a path length greater than 260 characters in Windows?

I'm using a xcopy in an XP windows script to recursively copy a directory. I keep getting an 'Insufficient Memory' error, which I understand is because a file I'm trying to copy has too long a path. I can easily reduce the path length, but unfortunately I can't work out which files are violating t...
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How to check if one of the following items is in a list?

I'm trying to find a short way to see if any of the following items is in a list, but my first attempt does not work. Besides writing a function to accomplish this, is the any short way to check if one of multiple items is in a list. ...
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How can I make a weak protocol reference in 'pure' Swift (without @objc)

weak references don't seem to work in Swift unless a protocol is declared as @objc , which I don't want in a pure Swift app. ...