大约有 41,000 项符合查询结果（耗时：0.0497秒） [XML]
Using ZXing to create an Android barcode scanning app [duplicate]
I've been searching for how to add a barcode scanner to my app. Are there any examples or how can I do this easily?
7 Answe...
Spring 3.0 - Unable to locate Spring NamespaceHandler for XML schema namespace [http://www.springfra
Any ideas what could be the cause of this?
15 Answers
15
...
Pros and Cons of Interface constants [closed]
PHP interfaces allow the definition of constants in an interface, e.g.
2 Answers
2
...
Modify Address Bar URL in AJAX App to Match Current State
I'm writing an AJAX app, but as the user moves through the app, I'd like the URL in the address bar to update despite the lack of page reloads. Basically, I'd like for them to be able to bookmark at any point and thereby return to the current state.
...
Including all the jars in a directory within the Java classpath
Is there a way to include all the jar files within a directory in the classpath?
25 Answers
...
Swapping two variable value without using third variable
One of the very tricky questions asked in an interview.
27 Answers
27
...
How unique is UUID?
How safe is it to use UUID to uniquely identify something (I'm using it for files uploaded to the server)? As I understand it, it is based off random numbers. However, it seems to me that given enough time, it would eventually repeat it self, just by pure chance. Is there a better system or a patter...
NSPredicate: filtering objects by day of NSDate property
I have a Core Data model with an NSDate property. I want to filter the database by day. I assume the solution will involve an NSPredicate , but I'm not sure how to put it all together.
...
Age from birthdate in python
How can I find an age in python from today's date and a persons birthdate? The birthdate is a from a DateField in a Django model.
...
How can I declare and define multiple variables in one line using C++?
I always though that if I declare these three variables that they will all have the value 0
10 Answers
...