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What is an existential type?
...definition, list all possible uses, their relation to abstract data types, etc.) because I'm simply not knowledgeable enough for that. I'll demonstrate only (using Java) what this HaskellWiki article states to be the principal effect of existential types:
Existential types can be used for severa...
pretty-print JSON using JavaScript
...y for indentation and whitespace, with perhaps even colors / font-styles / etc.
24 Answers
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Programmatically generate video or animated GIF in Python?
...re a Python library that will allow me to create either a video (AVI, MPG, etc) or an animated GIF from these frames?
22 An...
How to fix “no valid 'aps-environment' entitlement string found for application” in Xcode 4.3?
...o be sure to do a clean build, completely delete the app from your device, etc. This is just to make sure you don't have some old fluff hanging around.
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How enumerate all classes with custom class attribute?
...embly) {
foreach(Type type in assembly.GetTypes()) {
if (type.GetCustomAttributes(typeof(HelpAttribute), true).Length > 0) {
yield return type;
}
}
}
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Best way to do Version Control for MS Excel
...he import code. Since you're deleted and importing modules, it changes the order of the modules so you're missing a few each time. You need to change the For loop to go backwards through the array. e.g. For i = .VBComponents.Count To 1 Step -1
– Tmdean
Nov 30 '...
Does Typescript support the ?. operator? (And, what's it called?)
...eturns the first value that evaluated to false. That may be 0, null, false etc. || returns the first value that evaluates to true.
– A. K-R
Mar 8 '16 at 14:29
34
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Is there a difference between YES/NO,TRUE/FALSE and true/false in objective-c?
...is intended to be a logical boolean, it will always have this interface in order to preserve binary compatibility. The problems begin when you use non booleans that seem like booleans, for example c standard library application entry function, main returns 0 on success, many end up thinking of this ...
Common CSS Media Queries Break Points [duplicate]
...nt on different mobile devices and updating CSS for each element (ul, div, etc.) not displaying correctly for that breakpoint.
So far that was working on multiple responsive websites I've made.
/* SMARTPHONES PORTRAIT */
@media only screen and (min-width: 300px) {
}
/* SMARTPHONES LANDSCAPE */
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Twitter image encoding challenge [closed]
...um number of bits you can encode in a single utf8 character is 31 bits. In order to do this, I would use all characters that are in the U-04000000 – U-7FFFFFFF range. (1111110x 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx, there are 31 x's, therefore I could encode up to 31 bits).
31 bits times 14...