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Coroutine vs Continuation vs Generator
...hen suspend their execution. When they're called again, they will start up from where they last suspended execution and do their thing again.
A generator is essentially a cut down (asymmetric) coroutine. The difference between a coroutine and generator is that a coroutine can accept arguments after...
Android phone orientation overview including compass
...stem changes when you rotate the device. Thus, when the device is rotated from its default view mode, the sensor coordinate system is no longer the same as the screen coordinate system. The rotation matrix in this case is used to transform A to C (B always remains fixed).
Here's a code snippet to...
Explain the concept of a stack frame in a nutshell
...atter it has loaded the local variables or not, it will immediately return from stack with it's stack frame. It means that whenever any recursive function get base condition satisfied and we put a return after base condition, the base condition will not wait to load local variables which are located...
How to delete a stash created with git stash create?
...etails.
You don't need to delete a stash created with git stash create. From the docs:
Create a stash entry (which is a regular commit object) and return its object name, without storing it anywhere in the ref namespace. This is intended to be useful for scripts. It is probably not the comman...
What does glLoadIdentity() do in OpenGL?
...rrent state. So for instance, if you call glTranslate, you are translating from the matrix's current 'position', not from the origin. But if you want to start over at the origin, that's when you call glLoadIdentity(), and then you can glTranslate from the matrix which is now located at the origin, o...
How to get a specific “commit” of a gem from github?
...ub.com/rails/rails.git', :tag => 'v2.3.5'
Source: How to install gems from git repositories
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How to do a GitHub pull request
...ranch: isolate your modifications in a branch. Don't create a pull request from master, where you could be tempted to accumulate and mix several modifications at once.
rebase that branch: even if you already did a pull request from that branch, rebasing it on top of origin/master (making sure your p...
Read .mat files in Python
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Save a variable with this command from the prompt: save('filename', '-v7.3', 'var1');
– Kevin Katzke
Jul 2 '17 at 19:24
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Reduce, fold or scan (Left/Right)?
...ction of intermediate cumulative results using a start value.
Accumulate
From LEFT and forwards...
With a collection of elements abc and a binary operator add we can explore what the different fold functions do when going forwards from the LEFT element of the collection (from A to C):
val abc = ...
Emacs in Windows
...seful packages such as Nxml
it has a Windows installer or you can build it from sources
And concerning XEmacs, according to this post by Steve Yegge:
To summarize, I've argued that XEmacs has a much lower market share, poorer performance, more bugs, much lower stability, and at this point prob...