大约有 41,200 项符合查询结果（耗时：0.0537秒） [XML]
How to check version of python modules?
...lar package you're interested in:
Linux:
$ pip freeze | grep lxml
lxml==2.3
Windows:
c:\> pip freeze | findstr lxml
lxml==2.3
For an individual module, you can try the __version__ attribute, however there are modules without it:
$ python -c "import requests; print(requests.__version__)"
2.14...
Extension methods cannot be dynamically dispatched
...
3 Answers
3
Active
...
How to convert a string of numbers to an array of numbers?
...
39
My 2 cents for golfers:
b="1,2,3,4".split`,`.map(x=>+x)
backquote is string litteral so w...
What happened to “HelveticaNeue-Italic” on iOS 7.0.3
Just upgraded my iPod touch to iOS 7.0.3 and "HelveticaNeue-Italic" seems to have disappeared. When I query on the phone with:
...
Multiple Type Constraints in Swift
...e T:SomeProtocol, T:SomeOtherProtocol>(arg: T) {
// stuff
}
Swift 3 & 4:
func someFunc<T: SomeProtocol & SomeOtherProtocol>(arg: T) {
// stuff
}
or the more powerful where clause:
func someFunc<T>(arg: T) where T:SomeProtocol, T:SomeOtherProtocol{
// stuff
}
...
How to extract one column of a csv file
...
137
You could use awk for this. Change '$2' to the nth column you want.
awk -F "\"*,\"*" '{print $...
Why is 'false' used after this simple addEventListener function?
...
3 Answers
3
Active
...
One-line list comprehension: if-else variants
...
342
x if y else z is the syntax for the expression you're returning for each element. Thus you nee...
Why modelVersion of pom.xml is necessary and always set to 4.0.0?
...
It is always set to 4.0.0 in Maven 2 and 3, because, at present, there is no other model.
Notice that modelVersion contains 4.0.0. That is currently the only supported POM version, and is always required. [source]
But it wouldn't necessarily need to always be ...
Calculate last day of month in JavaScript
...1, 0);
alert(d); // last day in January
IE 6: Thu Jan 31 00:00:00 CST 2008
IE 7: Thu Jan 31 00:00:00 CST 2008
IE 8: Beta 2: Thu Jan 31 00:00:00 CST 2008
Opera 8.54: Thu, 31 Jan 2008 00:00:00 GMT-0600
Opera 9.27: Thu, 31...