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How can I implement a tree in Python?
...so a powerful API with:
simple tree creation
simple tree modification
pre-order tree iteration
post-order tree iteration
resolve relative and absolute node paths
walking from one node to an other.
tree rendering (see example above)
node attach/detach hookups
...
What are the rules for calling the superclass constructor?
...assignment.
Keep in mind, that data members are always initialized in the order in which they are declared in the class definition, regardless of their order in the initialization list. To avoid strange bugs, which may arise if your data members depend on each other, you should always make sure th...
Call Go functions from C
...yAdd(a, b int) int {
return int( C.doAdd( C.int(a), C.int(b)) )
}
The order in which everything is called is as follows:
foo.MyAdd(a, b) ->
C.doAdd(a, b) ->
C.goCallbackHandler(a, b) ->
foo.goCallbackHandler(a, b)
The key to remember here is that a callback function must...
How to unit test a Node.js module that requires other modules and how to mock the global require fun
... while you are testing it.
This means you need no changes to your code in order to inject mocks for required modules.
Proxyquire has a very simple api which allows resolving the module you are trying to test and pass along mocks/stubs for its required modules in one simple step.
@Raynos is right ...
Understanding CUDA grid dimensions, block dimensions and threads organization (simple explanation) [
...ng unit. You use blocks according to the specifications of your problem in order to distribute the work to the threads. It is not likely that you can always use blocks of 768 threads for every problem you have. Imagine you have to process a 64x64 image (4096 pixels). 4096/768 = 5.333333 blocks ?
...
What's the difference between require and require-dev? [duplicate]
...roduction version of your project.
Typically, these are packages such as phpunit/phpunit that you would only use during development.
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What are some good Python ORM solutions? [closed]
...ment. I don't understand the logic. How does "hard to find instructions on ORDER BY DESC in the docs" imply "bad for active record pattern"?
– jpmc26
Jan 10 '14 at 0:27
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How to calculate md5 hash of a file using javascript
...
I've made a library that implements incremental md5 in order to hash large files efficiently.
Basically you read a file in chunks (to keep memory low) and hash it incrementally.
You got basic usage and examples in the readme.
Be aware that you need HTML5 FileAPI, so be sure to c...
PDO's query vs execute
...ause I was bulk transferring trusted data from an Ubuntu Linux box running PHP7 with the poorly supported Microsoft ODBC driver for MS SQL Server.
I arrived at this question because I had a long running script for an ETL that I was trying to squeeze for speed. It seemed intuitive to me that query c...
Grasping the Node JS alternative to multithreading
...ache is mentioned in the first place. Additionally, the very commonly used PHP module is multithreaded all by its own. And finally, while I'm not an apache expert, my impression from other articles is that the worker MPM is in fact very commonly used.
– Michael Borgwardt
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