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How to use “raise” keyword in Python [duplicate]

...dler, so that it can be handled further up the call stack. try: generate_exception() except SomeException as e: if not can_handle(e): raise handle_exception(e) share | improve this answe...
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Rails: How to get the model class name based on the controller class name?

...ntroller def index # Equivalent of @house_buyers = HouseBuyer.find(:all) objects = controller_name.classify.constantize.find(:all) instance_variable_set("@#{controller_name}", objects) end end share ...
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MAC addresses in JavaScript

... I concur with all the previous answers that it would be a privacy/security vulnerability if you would be able to do this directly from Javascript. There are two things I can think of: Using Java (with a signed applet) Using signed Javasc...
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django-debug-toolbar not showing up

... to settings.py: def show_toolbar(request): return True SHOW_TOOLBAR_CALLBACK = show_toolbar That will effectively remove all checks by debug toolbar to determine if it should or should not load itself; it will always just load. Only leave that in for testing purposes, if you forget and launc...
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How do I get the currently displayed fragment?

...t the currently displayed Fragment instance, not iteratively check through all fragments and then decide which fragment is now displayed on the screen. I think your answer needs my code to iteratively check each of my fragments, and find out the visible one ... – Leem.fin ...
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Post data to JsonP

Is it possible to post data to JsonP? Or does all data have to be passed in the querystring as a GET request? 7 Answers ...
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Where are shared preferences stored?

...ces are stored in an xml file in the app data folder, i.e. /data/data/YOUR_PACKAGE_NAME/shared_prefs/YOUR_PREFS_NAME.xml or the default preferences at: /data/data/YOUR_PACKAGE_NAME/shared_prefs/YOUR_PACKAGE_NAME_preferences.xml SharedPreferences added during runtime are not stored in the Eclip...
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Split string into array of character strings

... This is indeed a regex-expression, called a negative lookahead. Checkout the documentation here: docs.oracle.com/javase/6/docs/api/java/util/regex/… – Erwin May 28 '14 at 8:51 ...
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Access Denied for User 'root'@'localhost' (using password: YES) - No Privileges?

...ost, User, Password) VALUES ('%', 'root', password('YOURPASSWORD')); GRANT ALL ON *.* TO 'root'@'%' WITH GRANT OPTION; share | improve this answer | follow | ...
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Which Eclipse version should I use for an Android app?

... to download the Android SDK bundle: http://developer.android.com/sdk/installing/bundle.html The ADT Bundle provides everything you need to start developing apps, including a version of the Eclipse IDE with built-in ADT (Android Developer Tools) to streamline your Android app development. ...