大约有 40,000 项符合查询结果(耗时:0.0437秒) [XML]

https://stackoverflow.com/ques... 

How do I manipulate a variable whose name conflicts with PDB commands?

... Eric IDE, Wing IDE & Spyder to mention just a few all have visual debuggers that are worth a go as they separate the display of values from the commands. share | improve thi...
https://stackoverflow.com/ques... 

How to create an object property from a variable value in JavaScript? [duplicate]

...meant the outcome of the object is equivalent regardless if you use myObj['foo'] = 'bar' or myObj.foo = 'bar' – philfreo Aug 25 '11 at 3:46 1 ...
https://stackoverflow.com/ques... 

jQuery / Javascript - How do I convert a pixel value (20px) to a number value (20)

...his won't work for "20pt" or "20em". parseInt("20pt") == 20! This may be all that the poster needs, but I'd like to be able to use X("20em") for example and get back the true width in pixels. – Lawrence I. Siden May 20 '11 at 22:53 ...
https://stackoverflow.com/ques... 

What does “xmlns” in XML mean?

...t it "means" when an XML parser reads the document. NOTE: You cannot actually use the full namespace URI in place of the namespace prefix in an XML instance document. Check out this tutorial on namespaces: http://www.sitepoint.com/xml-namespaces-explained/ ...
https://stackoverflow.com/ques... 

Does it make sense to use “as” instead of a cast even if there is no null check? [closed]

...following solution is not recommended for use in production code. If you really hate such a fundamental construct in C#, you might consider switching to VB or some other language. In case one desperately hates the cast syntax, he/she can write an extension method to mimic the cast: public static T...
https://stackoverflow.com/ques... 

How to parse JSON in Python?

... For example, you can't parse r'{"foo": null, "bar": true, "baz": "\ud83e\udd26"}' using ast.literal_eval(), because it contains nulls, a boolean value, and a single non-BMP codepoint. JSON represents those values differently from how Python literals would re...
https://stackoverflow.com/ques... 

GroupBy pandas DataFrame and select most common value

... @JoshFriedlander Define def foo(x): m = pd.Series.mode(x); return m.values[0] if not m.empty else np.nan and then use df.groupby(cols).agg(foo). If that doesn't work, fiddle with the implementation of foo for a bit. If you're still having starting troub...
https://stackoverflow.com/ques... 

How do I define a method which takes a lambda as a parameter in Java 8?

... Lambdas are purely a call-site construct: the recipient of the lambda does not need to know that a Lambda is involved, instead it accepts an Interface with the appropriate method. In other words, you define or use a functional interface (i.e. an ...
https://stackoverflow.com/ques... 

Gradle alternate to mvn install

...al() } dependencies { compile "foo:sdk:1.0" } $sdk> gradle install $example> gradle build share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Delete specific line number(s) from a text file using sed?

... Not all unixes have gnu sed with "-i". Don't make the mistake of falling back to "sed cmd file > file", which will wipe out your file. – pra Jan 22 '10 at 6:53 ...