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How to recognize swipe in all 4 directions

... Apple Swift version 3.1 - Xcode Version 8.3 (8E162) The handy way from Alexandre Cassagne's approach let directions: [UISwipeGestureRecognizerDirection] = [.up, .down, .right, .left] for direction in directions { let gesture = UISwipeGestu...
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How accurately should I store latitude and longitude?

...mal degrees distance places ------------------------------- 0 1.0 111 km 1 0.1 11.1 km 2 0.01 1.11 km 3 0.001 111 m 4 0.0001 11.1 m 5 0.00001 1.11 m 6 0.000001 0.111 m 7 0.0000001 1.11 cm 8 0.0000...
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Difference between declaring variables before or in loop?

... @Jon, was it a bug in C# 1.0? Shouldn't ideally Outer be 9? – nawfal Jul 8 '14 at 18:10 ...
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Is Dvorak typing appropriate for programming? [closed]

...hey are in different locations, they are different (US keyboard has no ´¨ç etc), and sometimes they even work differently! (In US keyboard there are no dead keys AFAIK, so one gets ~n instead of ñ, ^o instead of ô...) – ANeves thinks SE is evil Nov 11 '11 ...
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Is it possible to hide extension resources in the Chrome web inspector network tab?

When I'm viewing the downloaded resources for a page in the Chrome web inspector, I also see the HTML/JS/CSS requested by certain extensions. ...
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How to detect total available/free disk space on the iPhone/iPad device?

...rmatter:(long long)diskSpace { NSString *formatted; double bytes = 1.0 * diskSpace; double megabytes = bytes / MB; double gigabytes = bytes / GB; if (gigabytes >= 1.0) formatted = [NSString stringWithFormat:@"%.2f GB", gigabytes]; else if (megabytes >= 1.0) ...
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Determine what attributes were changed in Rails after_save callback?

... The "selected" answer didn't work for me. I'm using rails 3.1 with CouchRest::Model (based on Active Model). The _changed? methods don't return true for changed attributes in the after_update hook, only in the before_update hook. I was able to get it to work using the (new?) around_...
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JSON formatter in C#?

... This worked for me using System.Text.Json in .Net Core 3.1 public string PrettyJson(string unPrettyJson) { var options = new JsonSerializerOptions(){ WriteIndented = true }; var jsonElement = JsonSerializer.Deserialize<JsonElement>(unPrettyJson); ...
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NOW() function in PHP

...t last php started to copy from delphi and c# :) – Erçin Dedeoğlu Nov 1 '14 at 10:04 1 this may...
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Force browser to clear cache

...ke "_versionNo" to the file name for each release. For example: script_1.0.css // This is the URL for release 1.0 script_1.1.css // This is the URL for release 1.1 script_1.2.css // etc. Or alternatively do it after the file name: script.css?v=1.0 // This is the URL for release 1.0 script.css...