大约有 45,000 项符合查询结果（耗时：0.0558秒） [XML]
How to import a module given the full path?
...in this case "mymodule". But "mymodule" isn't loaded yet so you'll get the error "SystemError: Parent module 'mymodule' not loaded, cannot perform relative import". So you need to bind the name before you load it. The reason for this is the fundamental invariant of the relative import system: "The i...
How do I include a pipe | in my linux find -exec command?
...the -c option. Otherwise you will get a puzzling No such file or directory error message.
– asmaier
Dec 6 '13 at 12:22
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What does the constant 0.0039215689 represent?
...ther words:
x / 255 != x * (1. / 255)
due to floating-point round-off errors.
So while modern compilers may be smart enough to do this optimization, they are not allowed to do it unless you explicitly tell them to via a compiler flag.
Related: Why doesn't GCC optimize a*a*a*a*a*a to (a*a*a)*(...
Authenticate with GitHub using a token
...
Insecure approach. Key easily cat'd to logs on error. Use a tightly scoped deploy key instead.
– Joseph Lust
Jan 7 '18 at 3:34
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Editing screenshots in iTunes Connect after iOS app was approved
... are quite important and sometimes you upload something that might have an error / issue. Why can we not just update our app's metadata without having to upload an entire new binary??
– nazbot
Mar 18 '13 at 20:57
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Why can I throw null in Java? [duplicate]
...ome method for generating an exception, like Exception generateExceptionForErrorCode( int errorCode ) or whatever, and if that (due to a bug) returned null, you'd end up trying to throw null. The Java compiler doesn't do null analysis so would not notice this.
– Calum
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What do parentheses surrounding an object/function/class declaration mean? [duplicate]
... the brackets:
function() {
alert('hello');
}();
You'd get a syntax error, because the JS parser would see the 'function' keyword and assume you're starting a function statement of the form:
function doSomething() {
}
...and you can't have a function statement without a function name.
fun...
Convert number strings with commas in pandas DataFrame to float
... I should have said that I did set the locale. I still get the error.
– pheon
Mar 3 '14 at 14:33
2
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How to grant permission to users for a directory using command line in Windows?
... If you run this in Powershell in Windows 10, you will get the error about "OI not recognized". Solution: Put the user+perms argument in quotes. For example: C:\>icacls "D:\test" /grant "John:(OI)(CI)F" /T
– JDS
Jan 8 '18 at 16:56
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Comments in .gitignore?
...intentional trailing space, while making the more common (and hard to see) error case detectable.
– Stuart R. Jefferys
Sep 9 '12 at 20:57
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