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How does RegexOptions.Compiled work?

....Matches[i++ % item.Matches.Length]); }); } } It performs 4 tests on 3 different regular expressions. First it tests a single once off match (compiled vs non compiled). Second it tests repeat matches that reuse the same regular expression. The results on my machine (compiled in relea...
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Lists in ConfigParser

... @Henry Cooke Have you tested that when a key is listed multiple times? – DevPlayer Oct 22 '16 at 2:08 1 ...
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How to fix “no valid 'aps-environment' entitlement string found for application” in Xcode 4.3?

...hoose the exact provisioning profile you want from the drop down, just for testing purposes. It could be that Xcode is automatically choosing a different profile than the one you want. Also be sure to do a clean build, completely delete the app from your device, etc. This is just to make sure you d...
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How to solve Operator '!=' cannot be applied to operands of type 'T' and 'T' [duplicate]

... using System.Collections.Generic; public class Test<T> { public T Value { get => _Value; set { // operator== is undefined for generic T; EqualityComparer solves this if (!EqualityComparer<T>.Defaul...
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How to detect when an Android app goes to the background and come back to the foreground

...ecycleOwner. You will need to use the new architecture components 1.1.0 (latest at this time) but it’s specifically designed to do this. There’s a simple sample provided in this answer but I wrote a sample app and a blog post about it. Ever since I wrote this back in 2014, different solutions...
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Get all attributes of an element using jQuery

...bute ) { attrs[attribute.name] = attribute.value; }, {} ); } Test page At JS Bin, there is a live test page covering all these functions. The test includes boolean attributes (hidden) and enumerated attributes (contenteditable=""). ...
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Find size of object instance in bytes in c#

... Marshal.ReadInt32(type.TypeHandle.Value, 4) works for x86 and x64. I only tested struct and class types. Keep in mind that this returns the boxed size for value types. @Pavel Maybe you could update your answer. – jnm2 Mar 1 '15 at 1:52 ...
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How to improve performance of ngRepeat over a huge dataset (angular.js)?

... The hottest - and arguably most scalable - approach to overcoming these challenges with large datasets is embodied by the approach of Ionic's collectionRepeat directive and of other implementations like it. A fancy term for this is ...
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How to negate a method reference predicate

...ion<String, Boolean>) obj2; Function<String, Boolean> f3 = p1::test; Predicate<Integer> p2 = s -> s.isEmpty(); Predicate<Integer> p3 = String::isEmpty; obj1 doesn't compile - lambdas need to infer a functional interface (= with one abstract method) p1 and ...
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Get records with max value for each group of grouped SQL results

...lution uses undocumented behavior, the more cautious may want to include a test to assert that it remains working should a future version of MySQL change this behavior. Version 5.7 update: Since version 5.7, the sql-mode setting includes ONLY_FULL_GROUP_BY by default, so to make this work you must n...