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Keyboard Interrupts with python's multiprocessing Pool

...s to set up the worker processes to ignore SIGINT altogether, and confine all the cleanup code to the parent process. This fixes the problem for both idle and busy worker processes, and requires no error handling code in your child processes. import signal ... def init_worker(): signal.sign...
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How to add Options Menu to Fragment in Android

... Call the super method: Java: @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setHasOptionsMenu(true); } @Override public void onCreateOptio...
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MongoDB: How to query for records where field is null or not set?

...ount({sent_at: {$exists: false}}) If its there and null, or not there at all: db.emails.count({sent_at: null}) Refer here for querying and null share | improve this answer | ...
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You need to use a Theme.AppCompat theme (or descendant) with this activity

...a subclass, ActionBarActivity), to Activity, must also change the various calls with "support" to the corresponding call without "support". So, instead of getSupportFragmentManager, call getFragmentManager. share |...
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How do I pass an object from one activity to another on Android? [duplicate]

...tom classes across activities. I have found this very useful. Here is a small snippet of code I am using CustomListing currentListing = new CustomListing(); Intent i = new Intent(); Bundle b = new Bundle(); b.putParcelable(Constants.CUSTOM_LISTING, currentListing); i.putExtras(b); i.setClass(this,...
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What does the exclamation mark do before the function?

...s just a function declaration. You would need an invocation, foo(), to actually run the function. Now, when we add the seemingly innocuous exclamation mark: !function foo() {} it turns it into an expression. It is now a function expression. The ! alone doesn't invoke the function, of course, but w...
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How to unsubscribe to a broadcast event in angularJS. How to remove function registered via $on

... You need to store the returned function and call it to unsubscribe from the event. var deregisterListener = $scope.$on("onViewUpdated", callMe); deregisterListener (); // this will deregister that listener This is found in the source code :) at least in 1.0.4. I'll j...
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What is the difference between 'classic' and 'integrated' pipeline mode in IIS7?

...tely blended and integrated in IIS. In this mode, ASP.NET HttpModules basically have nearly as much power as an ISAPI filter would have had and ASP.NET HttpHandlers can have nearly equivalent capability as an ISAPI extension could have. In this mode, ASP.NET is basically a part of IIS. ...
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How do I declare a namespace in JavaScript?

... This does not create a closure for your code - it makes it tedious to call your other functions because they always have to look like: yourNamespace.bar(); I made an open source project JUST to address this design problem: github.com/mckoss/namespace. – mckoss ...
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How to define a two-dimensional array?

... You're technically trying to index an uninitialized array. You have to first initialize the outer list with lists before adding items; Python calls this "list comprehension". # Creates a list containing 5 lists, each of 8 items, all set t...