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Convert base64 string to ArrayBuffer
...4) {
var dataUrl = "data:application/octet-binary;base64," + base64;
fetch(dataUrl)
.then(res => res.arrayBuffer())
.then(buffer => {
console.log("base64 to buffer: " + new Uint8Array(buffer));
})
}
// buffer to base64
function bufferToBase64Async( buffer ) {
var bl...
Passing a string with spaces as a function argument in bash
... if you have words that can be evaluated as glob expressions they will be, etc.
– Charles Duffy
Mar 29 '18 at 20:45
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Turn a string into a valid filename?
... NFKD normalization), so é becomes e, a superscript 1 becomes a normal 1, etc. Thanks
– Michael Scott Cuthbert
Nov 8 '12 at 2:13
48
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How to smooth a curve in the right way?
...ut white noise. There a many types of filters to use (high-pass, low-pass, etc...), the appropriate one is dependent on what you are looking for.
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OnCreateOptionsMenu() not called in Fragment
...because I'm using Kotlin and many times you don't have to do findViewById, etc... to get the view you need.
– DWndrer
Sep 16 '18 at 2:54
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Different bash prompt for different vi editing mode?
...the current editing mode.
So putting
set show-mode-in-prompt on
into /etc/inputrc or ~/.inputrc (thx stooj) should affect all your readline-enabled programs ;)
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How to re-sign the ipa file?
...display names for different environements. like App-Dev, App-QA, App-Stage etc.
– Nishanth Nair
Apr 15 '13 at 16:10
1
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What are metaclasses in Python?
...relying on introspection, manipulating inheritance, vars such as __dict__, etc.
Indeed, metaclasses are especially useful to do black magic, and therefore
complicated stuff. But by themselves, they are simple:
intercept a class creation
modify the class
return the modified class
Why would you use ...
How to get the name of enumeration value in Swift?
...ring { switch self { case .AuthorizedAlways: return "AuthorizedAlways" <etc> } } } - once you've done this, it should work as you'd expect: print("Auth status: (\status))".
– Jeffro
Apr 27 '16 at 19:41
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Is gettimeofday() guaranteed to be of microsecond resolution?
... a pretty wide array of boxes, everything from 2-8 cores.
Of course, YMMV, etc, but it seems to be a reliable and low-overhead
(because it doesn't make a context switch into system-space) method
of timing.
Generally how it works is:
declare the block of code to be assembler (and volatile, so the
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