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Remove duplicate values from JS array [duplicate]
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TL;DR
Using the Set constructor and the spread syntax:
uniq = [...new Set(array)];
"Smart" but naïve way
uniqueArray = a.filter(function(item, pos) {
return a.indexOf(item) == pos;
})
Basically, we iterate over the array and, fo...
Find size of Git repository
...atter, you would also be counting:
hooks
config (remotes, push branches, settings (whitespace, merge, aliases, user
details etc.)
stashes (see Can I fetch a stash from a remote repo into a local branch? also)
rerere cache (which can get considerable)
reflogs
backups (from filter-branch, e.g.) and...
Header files for x86 SIMD intrinsics
...header files provide the intrinsics for the different x86 SIMD instruction set extensions (MMX, SSE, AVX, ...)? It seems impossible to find such a list online. Correct me if I'm wrong.
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Exotic architectures the standards committees care about
...pilers, regular pointers were near pointers and contained just a 16-bit offset, so sizeof(int*) == 2, but far pointers also had a 16-bit selector, so sizeof(void*) == 4.
– Adam Rosenfield
Aug 7 '11 at 16:09
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How to measure time in milliseconds using ANSI C?
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CLOCKS_PER_SEC is set to 1000000 on many systems. Print its value to be sure before you use it in this fashion.
– ysap
Jan 27 '12 at 21:40
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An error occurred while validating. HRESULT = '8000000A'
... it won't be solved, and Microsoft advises to move away from Visual Studio Setup projects (.vdproj).
We've worked around this issue by triggering the MSI build a second time when it fails a first time. Not nice, but it works most of the time (error rate is down from ~ 10% to ~ 1%).
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Replace non-numeric with empty string
...n requirement in our project. A field in our DB to hold a phone number is set to only allow 10 characters. So, if I get passed "(913)-444-5555" or anything else, is there a quick way to run a string through some kind of special replace function that I can pass it a set of characters to allow?
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How to merge a specific commit in Git
...le, if your build process takes advantage of git ancestry to automatically set version strings based on the latest tag (using git describe).
Instead of cherry-pick, you can do an actual git merge --no-commit, and then manually adjust the index to remove any changes you don't want.
Suppose you're o...
How to Compare Flags in C#?
...1)
= 001
And the full if statement (that evaluates to true if flag1 is set in testItem),
(testItem & flag1) == flag1
= (001) == 001
= true
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Difference between a “coroutine” and a “thread”?
..., tasks are cooperatively multitasked by pausing and resuming functions at set points, typically (but not necessarily) within a single thread.
Long answer: In contrast to threads, which are pre-emptively scheduled by the operating system, coroutine switches are cooperative, meaning the programmer (...