大约有 46,000 项符合查询结果（耗时：0.0480秒） [XML]
Switching to a TabBar tab view programmatically?
Let's say I have a UIButton in one tab view in my iPhone app, and I want to have it open a different tab in the tab bar of the TabBarController . How would I write the code to do this?
...
Difference between a user and a schema in Oracle?
... of all tables, sprocs etc. that make up the database for a given system / application (as in "Developers should discuss with the DBAs about the schema for our new application.")
Schema in sense 2. is similar, but not the same as schema in sense 1. E.g. for an application that uses several DB acco...
How to handle a lost KeyStore password in Android?
...do anymore (I can't or won't give any excuses for it). I want to update my app because I just fixed a bug but it's not possible anymore. What happens if I use the same Keystore but create a new key? Would I still be able to update the app and if it's not possible, how can I go about giving informati...
Is there any reason for using WebGL instead of 2D Canvas for 2D games/apps?
...n, except performance, for using WebGL instead of 2D-Canvas for 2D games/apps?
9 Answers
...
Class JavaLaunchHelper is implemented in both … libinstrument.dylib. One of the two will be used. Wh
...and started getting the following message on the console when launching my application using Eclipse. The app works fine but I would like to find out the cause of the problem and hopefully a fix for it.
...
What is Mocking?
...f times you literally just test the a function's output, so a mock doesn't apply in this case.
– Honey
Sep 10 at 2:35
add a comment
|
...
In Objective-C why should I check if self = [super init] is not nil?
... by standard practices, and then return prematurely if nil, basically your app is still not going to work correctly.
If you think about it, even though that if (self != nil) check is there, for proper operation of your class, 99.99% of the time you actually do need self to be non-nil.
Now, suppose...
How can I send an email by Java application using GMail, Yahoo, or Hotmail?
Is it possible to send an email from my Java application using a GMail account? I have configured my company mail server with Java app to send email, but that's not going to cut it when I distribute the application. Answers with any of using Hotmail, Yahoo or GMail are acceptable.
...
How to delete a file from SD card?
...
Change for Android 4.4+
Apps are not allowed to write (delete, modify ...) to external storage except to their package-specific directories.
As Android documentation states:
"Apps must not be allowed to write to secondary external storage
dev...
Rails - Could not find a JavaScript runtime?
...was a bit hairy as this didn't fix it right away and I was also trying new apps with 3.0.9 and 3.0.4 but got (different) errors with them. Finally I did a new app again - and also got rails rc5 with it and added the rubytheracer and did a bunlde update and finally I can get the server up and running...