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App Inventor 2 数学代码块 · App Inventor 2 中文网
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返回给定数字的绝对值。如：-3.3 的绝对值是 3.3，5 的绝对值是 5，0 的绝对值是 0。
相反数 (neg)
返回给定数字的负数，若给定负数则返回正数。如：8 返回 -8，-0.7 返回 0.7，0 则仍然返回 0。
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Sort a text file by line length including spaces
...s
bb The very longest line in the file
ccb
9 dd equal len. Orig pos = 1
500 dd equal len. Orig pos = 2
ccz
cca
ee A line with some spaces
1 dd equal len. Orig pos = 3
ff
5 dd equal len. Orig pos = 4
g
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Can you have if-then-else logic in SQL? [duplicate]
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edited Feb 26 '13 at 10:15
answered Feb 26 '13 at 9:57
Ale...
How can I tell gcc not to inline a function?
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150
You want the gcc-specific noinline attribute.
This function attribute prevents a
function...
Status bar and navigation bar appear over my view's bounds in iOS 7
I recently downloaded Xcode 5 DP to test my apps in iOS 7. The first thing I noticed and confirmed is that my view's bounds is not always resized to account for the status bar and navigation bar.
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What is Ruby's double-colon `::`?
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385
:: is basically a namespace resolution operator. It allows you to access items in modules, or cl...
How to fix: Handler “PageHandlerFactory-Integrated” has a bad module “ManagedPipelineHandler” in its
... 3 project to work on a local install of IIS and came across the following 500 error:
19 Answers
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How to pretty print nested dictionaries?
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151
I'm not sure how exactly you want the formatting to look like, but you could start with a funct...
How to find out the number of CPUs using python
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answered Jun 17 '09 at 10:53
Nadia AlramliNadia Alramli
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Finding what branch a Git commit came from
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+50
While Dav is correct that the information isn't directly stored, that doesn't mean you can't ever find out. Here are a few things you...