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How to jump to a particular line in a huge text file?
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linecache:
The linecache module allows one to get any line from a Python source file, while attempting to optimize internally, using a cache, the common case where many lines are read from a single file. This is used by the traceback module to retrieve source lines for inclusion in t...
Deleting folders in python recursively
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The default behavior of os.walk() is to walk from root to leaf. Set topdown=False in os.walk() to walk from leaf to root.
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What does “coalgebra” mean in the context of programming?
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This lets us talk about algebras as a type τ with a single function from some mess of Eithers to a single τ. For monoids, this mess is: Either (τ, τ) (); for groups (which have an extra τ → τ operation), it's: Either (Either (τ, τ) τ) (). It's a different type for every different stru...
What does “@@ -1 +1 @@” mean in Git's diff output?
I've been collecting data from the information returned from
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apache redirect from non www to www
I have a website that doesn't seem to redirect from non-www to www.
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What is a “cache-friendly” code?
...is crucial for performance since every cache miss results in fetching data from RAM (or worse ...) which takes a lot of time (hundreds of cycles for RAM, tens of millions of cycles for HDD). In comparison, reading data from the (highest level) cache typically takes only a handful of cycles.
In moder...
What algorithm does Readability use for extracting text from URLs?
... been trying to find a way of intelligently extracting the "relevant" text from a URL by eliminating the text related to ads and all the other clutter.After several months of researching, I gave it up as a problem that cannot be accurately determined. (I've tried different ways but none were reliabl...
Why malloc+memset is slower than calloc?
...malloc() and calloc() are mostly there to take small allocations (anything from 1 byte to 100s of KB) and group them into larger pools of memory. For example, if you allocate 16 bytes, malloc() will first try to get 16 bytes out of one of its pools, and then ask for more memory from the kernel when...
Generate Java class from JSON?
In a Java Maven project, how do you generate java source files from JSON? For example we have
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What's the correct way to communicate between controllers in AngularJS?
...scopes and runs just as fast as $emit.
So, now you can:
use $broadcast from the $rootScope
listen using $on from the local $scope that needs to know about the event
Original Answer Below
I highly advise not to use $rootScope.$broadcast + $scope.$on but rather $rootScope.$emit+ $rootScope.$o...