大约有 47,000 项符合查询结果(耗时:0.0467秒) [XML]

https://stackoverflow.com/ques... 

Is there any difference between “!=” and “” in Oracle Sql?

...than or greater than", to me, seems to assume the datatype has an implicit ordering (which is not necessarily true, although it is true for all the SQL datatypes), whereas != is saying "not equal" in a very pure sense. – Jeffrey Kemp May 23 '12 at 2:07 ...
https://stackoverflow.com/ques... 

What is the performance cost of having a virtual method in a C++ class?

... I ran some timings on a 3ghz in-order PowerPC processor. On that architecture, a virtual function call costs 7 nanoseconds longer than a direct (non-virtual) function call. So, not really worth worrying about the cost unless the function is something lik...
https://stackoverflow.com/ques... 

REST API Best practices: Where to put parameters? [closed]

...mysite.com/article/?query=Obama (subset) is a filter, and so is /article/5?order=backwards (modification). Think about what it does, not just what it's called! If "view" determines output format, then it is a filter (mysite.com/article/5?view=pdf) because it returns a modification of the found res...
https://stackoverflow.com/ques... 

window.onload vs $(document).ready()

... you are asking, it's based on how you structure your page, including what order you place the js files. Here is a link that goes into more detail: ablogaboutcode.com/2011/06/14/… HTH, James – James Drinkard Aug 12 '15 at 14:34 ...
https://stackoverflow.com/ques... 

How to use the pass statement?

... In such cases, the block may contain pass in addition to the docstring in order to say “This is indeed intended to do nothing.”, for example in pebl: class ParsingError(Exception): """Error encountered while parsing an ill-formed datafile.""" pass In some cases, pass is used as a pla...
https://stackoverflow.com/ques... 

Android - Package Name convention

...l files while developing on android). The reason for having it in reverse order is to do with the layout on the storage media. If you consider each period ('.') in the application name as a path separator, all applications from a publisher would sit together in the path hierarchy. So, for instance,...
https://stackoverflow.com/ques... 

GNU Makefile rule generating a few targets from a single source file

...sts a hack: when only one of a or b exist, then the dependencies should be ordered such that missing file appears as output of input.in. A few $(widcard...) s, $(filter...) s, $(filter-out...) s etc., should do the trick. Ugh. – bobbogo Jan 12 '11 at 20:38 ...
https://stackoverflow.com/ques... 

How can I make setuptools install a package that's not on PyPI?

...name lets you specify what the project is as a dependency for others. The order must always be @tag#egg=name. Private Repositories You can also install from private repositories by changing the protocol to SSH (ssh://) and adding an appropriate user (git@): git+ssh://git@github.com/username/my_p...
https://stackoverflow.com/ques... 

C# Iterate through Class properties

...he values. You would have to try this out and make sure you understand the order of the properties though. Refer to this MSDN Documentation for more information on this approach. For a hint, you could possibly do something like: Record record = new Record(); PropertyInfo[] properties = typeof(Rec...
https://stackoverflow.com/ques... 

ContextLoaderListener or not?

...an configure the application context the other way around as well. E.g. in order to make the OpenEntityManagerInViewFilter work. Setup the ContextLoaderListener and then configure your DispatcherServlet with: <servlet> <servlet-name>spring-mvc</servlet-name> <servlet-cl...