大约有 44,300 项符合查询结果(耗时:0.0478秒) [XML]

https://stackoverflow.com/ques... 

How do I create a crontab through a script

... 12 Answers 12 Active ...
https://stackoverflow.com/ques... 

How to import module when module name has a '-' dash or hyphen in it?

... 122 you can't. foo-bar is not an identifier. rename the file to foo_bar.py Edit: If import is no...
https://stackoverflow.com/ques... 

Javascript: Round up to the next multiple of 5

I need a utility function that takes in an integer value (ranging from 2 to 5 digits in length) that rounds up to the next multiple of 5 instead of the nearest multiple of 5. Here is what I got: ...
https://stackoverflow.com/ques... 

Generating random whole numbers in JavaScript in a specific range?

... 1 2 Next 3977 ...
https://stackoverflow.com/ques... 

General suggestions for debugging in R

...ction and step through the script line by line. The best new trick in R 2.10 (when working with script files) is to use the findLineNum() and setBreakpoint() functions. As a final comment: depending upon the error, it is also very helpful to set try() or tryCatch() statements around external f...
https://stackoverflow.com/ques... 

SET versus SELECT when assigning variables?

... Luke Girvin 12.5k88 gold badges5555 silver badges7878 bronze badges answered Oct 15 '10 at 19:22 OMG PoniesOMG Pon...
https://stackoverflow.com/ques... 

In which order should floats be added to get the most precise result?

...s things somewhat. Consider the case where we're adding single-precision (32 bit) floats, and there are 1 billion values equal to 1 / (1 billion), and one value equal to 1. If the 1 comes first, then the sum will come to 1, since 1 + (1 / 1 billion) is 1 due to loss of precision. Each addition has n...
https://stackoverflow.com/ques... 

Why do == comparisons with Integer.valueOf(String) give different results for 127 and 128?

...is returning an Integer object, which may have its values cached between -128 and 127. This is why the first value returns true - it's cached - and the second value returns false - 128 isn't a cached value, so you're getting two separate Integer instances. It is important to note that you are comp...
https://stackoverflow.com/ques... 

How do I force Sublime Text to indent two spaces per tab?

Is there a way to force Sublime Text 2 to always indent two spaces per tab when working with Ruby files? 6 Answers ...
https://stackoverflow.com/ques... 

JavaScript loop through json array?

... 228 Your JSON should look like this: var json = [{ "id" : "1", "msg" : "hi", "tid"...