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Does adding a duplicate value to a HashSet/HashMap replace the previous value
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@mystarrocks: The key is the element of the Set, and that is never replaced by the put() operation.
– Keppil
Jun 10 '14 at 15:05
1
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How to check for an active Internet connection on iOS or macOS?
...out including it anywhere
2) Add Tony Million's version of Reachability.h and Reachability.m to the project (found here: https://github.com/tonymillion/Reachability)
3) Update the interface section
#import "Reachability.h"
// Add this to the interface in the .m file of your view controller
@inte...
How to draw a custom UIView that is just a circle - iPhone app
...ally just a ball (a 2D circle)? Would I just override the drawRect method? And can someone show me the code for drawing a blue circle?
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Should I use static_cast or reinterpret_cast when casting a void* to whatever
Both static_cast and reinterpret_cast seem to work fine for casting void* to another pointer type. Is there a good reason to favor one over the other?
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Hosting Git Repository in Windows
...here currently a way to host a shared Git repository in Windows? I understand that you can configure the Git service in Linux with:
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PHP's array_map including keys
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Not with array_map, as it doesn't handle keys.
array_walk does:
$test_array = array("first_key" => "first_value",
"second_key" => "second_value");
array_walk($test_array, function(&$a, $b) { $a = "$b loves $a"; });
var_dump($tes...
Add custom headers to WebView resource requests - android
...or adding headers to resources loading requests, make custom WebViewClient and override:
API 24+:
WebResourceResponse shouldInterceptRequest(WebView view, WebResourceRequest request)
or
WebResourceResponse shouldInterceptRequest(WebView view, String url)
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Fastest method of screen capturing on Windows
...to use GDI, but I'm curious whether there are other ways to go about this, and, if there are, which incurs the least overhead? Speed is a priority.
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What is an invariant?
... of a program state that is always true..." - @jacob baskin - well written and thanks for this.
– twknab
May 31 '19 at 23:37
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Is the order of elements in a JSON list preserved?
...ed collection of zero or more name/value
pairs, where a name is a string and a value is a string, number,
boolean, null, object, or array.
An array is an ordered sequence of zero or more values.
The terms "object" and "array" come from the conventions of
JavaScript.
Some implementa...