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Resolving javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path

... You need to add the certificate for App2 to the truststore file of the used JVM located at %JAVA_HOME%\lib\security\cacerts. First you can check if your certificate is already in the truststore by running the following command: keytool -list -keystore "%JAVA_H...
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Detect if Android device has Internet connection

... you can just take a different website (e.g. baidu.com when deploying your app in China), or you can try a second site if the first one fails to make sure there is no connection. – THelper Mar 29 '12 at 11:10 ...
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Creating .pem file for APNS?

... by the Certificates category. You will see an expandable option called “Apple Development Push Services” Right click on “Apple Development Push Services” > Export “Apple Development Push Services ID123″. Save this as apns-dev-cert.p12 file somewhere you can access it. There is no nee...
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Razor View throwing “The name 'model' does not exist in the current context”

After significant refactoring in my MVC 4 application, and Razor shows this error while debugging Views: 22 Answers ...
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DateTime2 vs DateTime in SQL Server

...ion. datetimeoffset provides time zone support for globally deployed applications. datetime2 has larger date range, a larger default fractional precision, and optional user-specified precision. Also depending on the user-specified precision it may use less storage. ...
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How to merge remote changes at GitHub?

... Thanks! I had pushed branch "A" up to my Heroku staging app to test some functionality in a production environment. Then (locally) I merged "A" and "B" into "master" and wanted to push "master" into my staging app. Was having all sorts of problems. This made pushing the "master"...
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What is the garbage collector in Java?

...rtual Machine which gets rid of objects which are not being used by a Java application anymore. It is a form of automatic memory management. When a typical Java application is running, it is creating new objects, such as Strings and Files, but after a certain time, those objects are not used anymor...
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How to get the URL of the current page in C# [duplicate]

... AbsolutePath appears to return "/" in .NET 3.5 (haven't tested other versions) for paths similar to twitter user accounts, such as twitter.com/#!/user. You can use the Fragment method to get anything after the pound (#). ...
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iPhone get SSID without private library

I have a commercial app that has a completely legitimate reason to see the SSID of the network it is connected to: If it is connected to a Adhoc network for a 3rd party hardware device it needs to be functioning in a different manner than if it is connected to the internet. ...
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Android List View Drag and Drop sort

...-sort using a drag and drop method. I have seen this implemented in other apps, but I have not found a tutorial for it. It must be something that others need as well. Can anyone point me to some code for doing this? ...