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Performance of Find() vs. FirstOrDefault() [duplicate]

...ce, Func<TSource, bool> predicate) { if (source == null) throw Error.ArgumentNull("source"); if (predicate == null) throw Error.ArgumentNull("predicate"); foreach (TSource source1 in source) { if (predicate(source1)) return source1; } return default (TSource); } ...
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commands not found on zsh

...ng this in your terminal first: export PATH=$HOME/.local/bin:$PATH If the error disappears after you type this into the terminal and your terminal functions normally, the above solution will work. If it doesn't, you'll have to find the folder where your reference error is located (the thing not fo...
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Why does find -exec mv {} ./target/ + not work?

...ow it works, I have gone through this manual several times, but I have got error message for using {} +, although works for {} \; and I am using Cygwin in windows. – Shahadat Hossain Apr 9 '11 at 20:29 ...
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How to check for null in Twig?

...se (such as zero, empty string and empty array). Besides, it will cause an error if var is not defined. A safer way would be: {% if var is not defined or var is null %} which can be shortened to: {% if var|default is null %} If you don't provide an argument to the default filter, it assumes NU...
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Numbering rows within groups in a data frame

...hanks! The dplyr solution is good. But if, like me, you kept getting weird errors when trying this approach, make sure that you are not getting conflicts between plyr and dplyr as explained in this post It can be avoided by explicitly calling dplyr::mutate(...) – EcologyTom ...
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In what areas might the use of F# be more appropriate than C#? [closed]

...testing and reading/understanding the code. It eradicates a whole class of errors that previous systems were prone to. Exploratory programming Working with script files and the REPL (F# Interactive) allowed me to explore the solution space more effectively before committing to an implementation tha...
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Is there anything like inotify on Windows?

... FileSystemWatcher() is unreliable mainly due to the fact it's error handling for the watcher buffer is more or less incomplete. Due to a lack of path and detailed error handling information, Microsoft gives you no way to recover or manually poll the working directory. The JNotify for W...
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Preloading images with JavaScript

...ment for the i-variable. Otherwise it will be set globally which can cause error that are really hard to solve (unless you know that you forgot the var statement. for (var i = 0..... – Mohammer Jun 13 '16 at 23:37 ...
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jQuery - What are differences between $(document).ready and $(window).load?

...pt> Query 3.0 version Breaking change: .load(), .unload(), and .error() removed These methods are shortcuts for event operations, but had several API limitations. The event .load() method conflicted with the ajax .load() method. The .error() method could not be used with window.on...
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Sending JWT token in the headers with Postman

...tive runs and test any response as endpoint unit tests. Save them and find errors when you change code. I haven't used the command line utility but I understand that you can configure it to run in your ci-pipeline. – Pablo Palacios Jan 5 '17 at 2:21 ...