大约有 30,000 项符合查询结果(耗时:0.0579秒) [XML]

https://stackoverflow.com/ques... 

delete a.x vs a.x = undefined

...asOwnProperty('x')) Following the prototype chain (mentioned by zzzzBov) Calling delete will allow it to go up the prototype chain, whereas setting the value to undefined will not look for the property in the chained prototypes http://jsfiddle.net/NEEw4/1/ var obj = {x: "fromPrototype"}; var exte...
https://stackoverflow.com/ques... 

How do I use Django templates without the rest of Django?

... I additionally needed to call django.setup() before the Template constructor. – Amit Jan 19 '16 at 9:33  |...
https://stackoverflow.com/ques... 

Why does MSBuild look in C:\ for Microsoft.Cpp.Default.props instead of c:\Program Files (x86)\MSBui

...en publishing a cocos2d-x application using their command line tool, which calls MSBuild. I'm using Win 7 64-bit, VS2013 express, cocos2d-x version 3.3, .NET Framework 4.5 installed. I fixed the problem by setting the following before running the cocos.py publish command: SET VCTargetsPath=C:\Prog...
https://stackoverflow.com/ques... 

Predicate Delegates in C#

...rue or false. A predicate delegate is a reference to a predicate. So basically a predicate delegate is a reference to a function that returns true or false. Predicates are very useful for filtering a list of values - here is an example. using System; using System.Collections.Generic; class Pro...
https://stackoverflow.com/ques... 

log4net not working

...the file is not ending up where you expect it. Firstly, have you actually called XmlConfigurator.Configure() anywhere in your code? If the xml snippet above is in the application configuration file, this call will do the trick. If the xml snippet is in it's own file, you'll need to use the .Conf...
https://stackoverflow.com/ques... 

Volatile boolean vs AtomicBoolean

...eger: volatile int i = 0; void incIBy5() { i += 5; } If two threads call the function concurrently, i might be 5 afterwards, since the compiled code will be somewhat similar to this (except you cannot synchronize on int): void incIBy5() { int temp; synchronized(i) { temp = i } sy...
https://stackoverflow.com/ques... 

Bash script absolute path with OS X

...od in fact that the Linux kernel is useless without it and why some people call it GNU/Linux. Coreutils is awesome. excellent answer this should be the selected answer. – user9903 Jul 13 '16 at 15:15 ...
https://stackoverflow.com/ques... 

How do I disable log messages from the Requests library?

....WARNING) If you wish to apply this setting for the urllib3 library (typically used by requests) too, add the following: logging.getLogger("urllib3").setLevel(logging.WARNING) share | improve th...
https://stackoverflow.com/ques... 

Is the order of elements in a JSON list preserved?

..., but you might as well use JSON to store something like { "son": "David", "daughter": "Julia", "son": "Tom", "daughter": "Clara" } and use a parser that maintains order of objects. *probably even more :) ...
https://stackoverflow.com/ques... 

What languages are Windows, Mac OS X and Linux written in?

... Some parts in assembly. [...] It's mostly in C, but most people wouldn't call what I write C. It uses every conceivable feature of the 386 I could find, as it was also a project to teach me about the 386. As already mentioned, it uses a MMU, for both paging (not to disk yet) and segmentation. It's...