大约有 30,000 项符合查询结果（耗时：0.0489秒） [XML]
Join vs. sub-query
I a<em>mem> an old-school <em>Mem>ySQL user and have always preferred JOIN over sub-query. But nowadays everyone uses sub-query, and I hate it; I don't know why.
...
How is a CRC32 checksu<em>mem> calculated?
<em>Mem>aybe I'<em>mem> just not seeing it, but CRC32 see<em>mem>s either needlessly co<em>mem>plicated, or insufficiently explained anywhere I could find on the web.
...
How can I <em>mem>easure the speed of code written in PHP? [closed]
How can I say which class of <em>mem>any (which all do the sa<em>mem>e job) execute faster? is there a software to <em>mem>easure that?
10 Answe...
AngularJS : When to use service instead of factory
...value that is returned by
invoking the function reference (the return state<em>mem>ent in factory).
ref: angular.service vs angular.factory
Second:
Keep in <em>mem>ind all providers in AngularJS (value, constant, services, factories) are singletons!
Third:
Using one or the other (service or factory) is a...
What is the <em>mem>axi<em>mem>u<em>mem> possible length of a .NET string?
...re silent on this question as far as I can see, so an authoritative answer <em>mem>ight require so<em>mem>e knowledge of internals. Would the <em>mem>axi<em>mem>u<em>mem> change on a 64-bit syste<em>mem>?
...
Design Patterns web based applications [closed]
I a<em>mem> designing a si<em>mem>ple web-based application. I a<em>mem> new to this web-based do<em>mem>ain.I needed your advice regarding the design patterns like how responsibility should be distributed a<em>mem>ong Servlets, criteria to <em>mem>ake new Servlet, etc.
...
How to generate and validate a software license key?
I'<em>mem> currently involved in developing a product (developed in C#) that'll be available for downloading and installing for free but in a very li<em>mem>ited version. To get access to all the features the user has to pay a license fee and receive a key. That key will then be entered into the application to "u...
How do I record audio on iPhone with AVAudioRecorder?
...that have already been playing with the 3.0 SDK. I want to record audio in <em>mem>y application, but I want to use AVAudioRecorder and not the older way of recording like the exa<em>mem>ple SpeakHere shows. There are not any exa<em>mem>ples of how to best do this in the iPhone Dev Center and only reference to the ...
C/C++ include header file order
...
I don't think there's a reco<em>mem><em>mem>ended order, as long as it co<em>mem>piles! What's annoying is when so<em>mem>e headers require other headers to be included first... That's a proble<em>mem> with the headers the<em>mem>selves, not with the order of includes.
<em>Mem>y personal preference i...
What is the proper way to re-attach detached objects in Hibernate?
I have a situation in which I need to re-attach detached objects to a hibernate session, although an object of the sa<em>mem>e identity <em>Mem>AY already exist in the session, which will cause errors.
...