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Best practices for catching and re-throwing .NET exceptions

What are the best practices to consider when catching exceptions and re-throwing them? I want to make sure that the Exception object's InnerException and stack trace are preserved. Is there a difference between the following code blocks in the way they handle this? ...
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how to implement a pop up dialog box in iOS

... say display a custom UI in your UIAlertView, you can subclass UIAlertView and put in custom UI components in the init method. If you want to respond to a button press after a UIAlertView appears, you can set the delegate above and implement the - (void)alertView:(UIAlertView *)alertView clickedButt...
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Background task, progress dialog, orientation change - is there any 100% working solution?

... download some data from internet in background thread (I use AsyncTask ) and display a progress dialog while downloading. Orientation changes, Activity is restarted and then my AsyncTask is completed - I want to dismiss the progess dialog and start a new Activity. But calling dismissDialog sometim...
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How do I enable EF migrations for multiple contexts to separate databases?

...ecause the Configuration.cs file already exists. If you rename that class and file, you should be able to run that 2nd Enable-Migrations, which will create another Configuration.cs. You will then need to specify which configuration you want to use when updating the databases. Update-Database -Con...
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python: how to send mail with TO, CC and BCC?

...esting purposes to populate few hundred email boxes with various messages, and was going to use smtplib for that. But among other things I need to be able to send messages not only TO specific mailboxes, but CC and BCC them as well. It does not look like smtplib supports CC-ing and BCC-ing while...
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Typescript: difference between String and string

Does anyone know the difference between String and string in TypeScript? Am I correct in assuming that they ought to be the same? ...
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How to set environment variable for everyone under my linux system?

... man 8 pam_env man 5 pam_env.conf If all login services use PAM, and all login services have session required pam_env.so in their respective /etc/pam.d/* configuration files, then all login sessions will have some environment variables set as specified in pam_env's configuration file. On ...
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How to fix 'android.os.NetworkOnMainThreadException'?

I got an error while running my Android project for RssReader. 59 Answers 59 ...
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What is the explanation for these bizarre JavaScript behaviours mentioned in the 'Wat' talk for Code

...alk for CodeMash 2012 basically points out a few bizarre quirks with Ruby and JavaScript. 5 Answers ...
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What issues should be considered when overriding equals and hashCode in Java?

What issues / pitfalls must be considered when overriding equals and hashCode ? 11 Answers ...