大约有 44,300 项符合查询结果(耗时:0.0478秒) [XML]
How do I create a crontab through a script
...
12 Answers
12
Active
...
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...
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:
...
Generating random whole numbers in JavaScript in a specific range?
...
1
2
Next
3977
...
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...
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...
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...
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...
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
...
JavaScript loop through json array?
...
228
Your JSON should look like this:
var json = [{
"id" : "1",
"msg" : "hi",
"tid"...