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How to get a specific version of a file in Mercurial?
...evious known good version of your file and the old version to compare side-by-side.
The reason why Mercurial has a separate update command is that it is possible to do something in Mercurial that is impossible in Subversion. You can update to an earlier version, make changes, then commit. This wi...
Can I have H2 autocreate a schema in an in-memory database?
... Note that if you use H2 with hibernate and want to run multiple scripts by calling RUNSCRIPT, you should type triple backslash (\\\). For example, you should set up <property name="hibernate.connection.url">jdbc:h2:mem:test;INIT=RUNSCRIPT FROM 'script1.sql'\\\;RUNSCRIPT FROM script2.sql'<...
Does anyone know what the new Exit icon is used for when editing storyboards using Xcode 4.5?
...opting Storyboards in your App."
Say you have two view controllers linked by a segue. Implement the following exit action on the first view controller:
- (IBAction)done:(UIStoryboardSegue *)segue {
NSLog(@"Popping back to this view controller!");
// reset UI elements etc here
}
Then, on ...
Sockets: Discover port availability using Java
...
This doesn't catch everything however. I've been bitten by a running nginx on TCP 8000 whilst the above routine reports 8000 as available. No idea why -- I suspect nginx does some sneaky stuff (this is on OS X). Workaround for me is to do the above and also to open a new Socket("l...
Export/import jobs in Jenkins
...jenkins-ci.org/display/JENKINS/Jenkins+CLI
create-job: Creates a new job by reading stdin as a configuration XML file.
get-job: Dumps the job definition XML to stdout
So you can do
java -jar jenkins-cli.jar -s http://server get-job myjob > myjob.xml
java -jar jenkins-cli.jar -s http://serve...
Android onCreate or onStartCommand for starting service
...You can play ,pause,stop using action
And you do any operation in service by sending an action and receiving it on onStartCommand
onCreate work like a Constructor.
Edit in Short
onCreate() calls only for the first time you start a Service Whereas onStartCommand() calls everytime you call the st...
How can I get a java.io.InputStream from a java.lang.String?
...on't care about the data being re-materialized in memory, please use:
new ByteArrayInputStream(str.getBytes("UTF-8"))
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Get property value from string using reflection
...
What about using the CallByName of the Microsoft.VisualBasic namespace (Microsoft.VisualBasic.dll)? It uses reflection to get properties, fields, and methods of normal objects, COM objects, and even dynamic objects.
using Microsoft.VisualBasic;
usin...
Is bool a native C type?
...phrase "ANSI C" commonly (but incorrecetly) refers to the language defined by the ANSI C89 / ISO C90 standard. Since C standards are now published by ISO first, and since there have been three ISO C standards, with varying levels of adoption, it's best to refer to the year the standard was publlshed...
Get push notification while App in foreground iOS
... whether the notification was delivered to the already-running application by examining
// the application state.
if (application.applicationState == UIApplicationStateActive) {
// Nothing to do if applicationState is Inactive, the iOS already displayed an alert view...