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How to detect that animation has ended on UITableView beginUpdates/endUpdates?

...ates . I am also using beginUpdates/endUpdates when adjusting rowHeight. All these operations are animated by default. 7 ...
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How can I add a key/value pair to a JavaScript object?

... property. The second form is used when the name of the property is dynamically determined. Like in this example: var getProperty = function (propertyName) { return obj[propertyName]; }; getProperty("key1"); getProperty("key2"); getProperty("key3"); A real JavaScript array can be construct...
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C#: Assign same value to multiple variables in single statement

...nteresting to know that the get accessor of the intermediate value is not called. Only the set accessor is invoked for all property accessed in the assignation sequence. Take for example a class that write to the console everytime the get and set accessor are invoked. static void Main(string[] arg...
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What is your preferred style for naming variables in R? [closed]

... Good previous answers so just a little to add here: underscores are really annoying for ESS users; given that ESS is pretty widely used you won't see many underscores in code authored by ESS users (and that set includes a bunch of R Core as well as CRAN authors, excptions like Hadley notwithsta...
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boost::flat_map and its performance compared to map and unordered_map

...e, because your cache will not be warm, and your operation will likely be called just once. Therefore you need to benchmark using RDTSC, and time stuff calling them once only. Intel has made a paper describing how to use RDTSC (using a cpuid instruction to flush the pipeline, and calling it at least...
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C# Sortable collection which allows duplicate keys

... Use this Comparer e.g. with SortedLists or SortedDictionaries, that don't allow duplicate keys /// </summary> /// <typeparam name="TKey"></typeparam> public class DuplicateKeyComparer<TKey> : IComparer<TKey> where TKey : IComparable { #...
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List all files in one directory PHP [duplicate]

What would be the best way to list all the files in one directory with PHP? Is there a $_SERVER function to do this? I would like to list all the files in the usernames/ directory and loop over that result with a link, so that I can just click the hyperlink of the filename to get there. Thanks! ...
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How to list the contents of a package using YUM?

... There is a package called yum-utils that builds on YUM and contains a tool called repoquery that can do this. $ repoquery --help | grep -E "list\ files" -l, --list list files in this package/group Combined into one example: $ r...
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How do you build a Singleton in Dart?

... There's the weird syntax Singleton._internal(); that looks like a method call when it's really a constructor definition. There's the _internal name. And there's the nifty language design point that Dart lets you start out (dart out?) using an ordinary constructor and then, if needed, change it to a...
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Where is a complete example of logging.config.dictConfig?

... All those concise, beautiful YAML snippets in the python logging.config docs just can't be read directly. Bummer. – JimB May 17 '18 at 18:19 ...