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Forking vs. Branching in GitHub
...k for a pull, with the risk of evolutions on the original repo making your fast-forward merges not fast-forward anymore).
That means the correct workflow is to git pull --rebase upstream (rebase your work on top of new commits from upstream), and then git push --force origin, in order to rewrite the...
Coding Practices which enable the compiler/optimizer to make a faster program
...but it's just as effective (and much clearer) to do this:
void DoSomethingFaster(const Foo& foo1, const Foo* foo2, int numFoo, Foo& barOut)
{
Foo barTemp = barOut;
for (int i=0; i<numFoo, i++)
{
barTemp.munge(foo1, foo2[i]);
}
barOut = barTemp;
}
It sounds ...
How do I select a merge strategy for a git rebase?
...published (unpushed) commits are put aside, branch is aligned with remote (fast-forwarded), and your commits are being replayed on top of your branch. . Your commits are "theirs" according to merge operation, and current (fast-forwarded) state of local branch is "ours". May seem counterintuitive, ...
Should accessing SharedPreferences be done off the UI Thread?
...t to avoid those stats during UI events anyway. A stat should normally be fast (and often cached), but yaffs doesn't have much in the way of concurrency (and a lot of Android devices run on yaffs... Droid, Nexus One, etc.) so if you avoid disk, you avoid getting stuck behind other in-flight or pend...
Which cryptographic hash function should I choose?
...s have a look at the hash function zoo.
But wait there is more
Having a fast hash function can be a curse. For example: a very common usage for hash functions is password storage. Essentially, you calculate hash of a password combined with a known random string (to impede rainbow attacks) and sto...
“is” operator behaves unexpectedly with integers
...gt; id(a) == id(b)
Why would we want to use is then?
This can be a very fast check relative to say, checking if two very long strings are equal in value. But since it applies to the uniqueness of the object, we thus have limited use-cases for it. In fact, we mostly want to use it to check for Non...
How to change the CHARACTER SET (and COLLATION) throughout a database?
...t insensitive
_as (etc) -- accent-sensitive (etc)
_bin -- simple, fast
_general_ci -- fails to compare multiple letters; eg ss=ß, somewhat fast
... -- slower
_0900_ -- (8.0) much faster because of a rewrite
More info:
What are the differences between utf8_general_ci and u...
What is an IndexOutOfRangeException / ArgumentOutOfRangeException and how do I fix it?
... using GetPixel method on a Bitmap class).
Arrays Do Not Grow
An array is fast. Very fast in linear search compared to every other collection. It is because items are contiguous in memory so memory address can be calculated (and increment is just an addition). No need to follow a node list, simple ...
Comparison between Corona, Phonegap, Titanium
...eter to a virtual machine. JavaScript is JIT compiled into native code for faster execution. Safari JS engine: SquirrelFish Extreme
Web page rendering moving from relying on CPU to using GPU acceleration. Graphic intensive tasks such as page transition and 3D animation become a lot smoother with the...
mongoose vs mongodb (nodejs modules/extensions), which better? and why?
...k a lot of rules that an ODM might enforce, go with MongoDB. If you want a fast driver, and can live with some missing features, give Mongolian DeadBeef a try: https://github.com/marcello3d/node-mongolian
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