大约有 47,000 项符合查询结果（耗时：0.0489秒） [XML]
Is floating-point math consistent in C#? Can it be?
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I know of no way to way to make normal floating points deterministic in .net. The JITter is allowed to create code that behaves differently on different platforms(or between different versions of .net). So using normal floats in...
Convert pandas timezone-aware DateTimeIndex to naive timestamp, but in certain timezone
...mber, a quick summary of what each of these do:
>>> pd.Timestamp.now() # naive local time
Timestamp('2019-10-07 10:30:19.428748')
>>> pd.Timestamp.utcnow() # tz aware UTC
Timestamp('2019-10-07 08:30:19.428748+0000', tz='UTC')
>>> pd.Timestamp.now(tz='Europe/Brussels')...
ITunes review URL and iOS 7 (ask user to rate our app) AppStore show a blank page
Does anybody knows if the technique used to ask the user to rate our app and open for him the App Store directly on the rating page is still working on iOS 7 ?
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How to check whether a pandas DataFrame is empty?
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This seems like a shame, since you need to know that df is a pd.DataFrame. I'd like to know the motivation for not implementing bool() on pd.DataFrame.
– Quant
Feb 14 '14 at 16:55
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Tool to Unminify / Decompress JavaScript [closed]
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This is now in the "Sources" tab, not the Scripts tab.
– mhenry1384
Sep 24 '12 at 21:44
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Git cherry pick vs rebase
...nt" could contain several dozens of commits on top of its original base.)
Now git rebase is told to rebase "experiment" onto the current tip of "master", and git rebase goes like this:
Runs git merge-base to see what's the last commit shared by both "experiment" and "master" (what's the point of ...
Using Selenium Web Driver to retrieve value of a HTML input
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That's what I've bumped into right now: trying to get a value from a textarea, which is neither a "value" attribute, nor a between-tag text (set dynamically as "value" attribute.
– C-F
Jun 5 '17 at 22:03
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Empty arrays seem to equal true and false at the same time
...comparison x ==
ToNumber(y).
The result of ToNumber(false) is 0, so we now have:
[] == 0
Again, rule #1 tells us to jump to step #14, but the next step that actually applies is #21:
21. If Type(x) is Object and Type(y) is either String or Number, return the
result of the comparison
To...
Stop UIWebView from “bouncing” vertically?
Does anyone know how to stop a UIWebView from bouncing vertically? I mean when a user touches their iphone screen, drags their finger downwards, and the webview shows a blank spot above the web page I had loaded?
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How do I check that a Java String is not all whitespaces?
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This is now incorrect. StringUtils.isEmpty will now return false if you pass in " ".
– James Spence
May 30 '17 at 20:25
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