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ActiveRecord: size vs count

...l valid. You'll adapt the function you use depending on your needs. Basically: if you already load all entries, say User.all, then you should use length to avoid another db query if you haven't anything loaded, use count to make a count query on your db if you don't want to bother with these con...
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Handle ModelState Validation in ASP.NET Web API

...ile services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Version_2_2).ConfigureApiBehaviorOptions(options => { options.InvalidModelStateResponseFactory = (context) => { var errors = context.ModelState.Values.SelectMany(...
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How to load external webpage inside WebView

... Thanks to this post, I finally found the solution. Here is the code: import android.app.Activity; import android.os.Bundle; import android.webkit.WebResourceError; import android.webkit.WebResourceRequest; import android.webkit.WebView; import androi...
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Servlet returns “HTTP Status 404 The requested resource (/servlet) is not available”

... Put servlet class in a package First of all, put the servlet class in a Java package. You should always put publicly reuseable Java classes in a package, otherwise they are invisible to classes which are in a package, such as the server itself. This way you elimini...
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Cell spacing in UICollectionView

... This is a much better answer. Take a look at the callbacks you can adjust in the UICollectionViewDelegateFlowLayout and you can see how this can be tweaked. – cynistersix Dec 17 '14 at 2:52 ...
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How to benchmark efficiency of PHP script

... If you actually want to benchmark real world code, use tools like Xdebug and XHProf. Xdebug is great for when you're working in dev/staging, and XHProf is a great tool for production and it's safe to run it there (as long as you read t...
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Call a Server-side Method on a Resource in a RESTful Way

...ut SOAP envelopes and single-URI overloaded POST services), what some may call "lack of features", is actually its greatest strength. Right off the bat, HTTP asks you to have addressability and statelessness: the two basic design decisions that keep HTTP scalable up to today's mega-sites (and mega-s...
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Rails: How to change the text on the submit button in a Rails Form

... If you want to change all create and update form submit tags, this change is easy to make. Modify config/locales/en.yml like so: en: helpers: submit: create: "Crear un %{model}" update: "Confirmar cambios al %{model} creado" ...
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Why does the PHP json_encode function convert UTF-8 strings to hexadecimal entities?

... Since PHP/5.4.0, there is an option called JSON_UNESCAPED_UNICODE. Check it out: https://php.net/function.json-encode Therefore you should try: json_encode( $text, JSON_UNESCAPED_UNICODE ); ...
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SQL Switch/Case in 'where' clause

...statement exits after a condition is met - but the OR syntax will evaluate all the possibilities – tember May 12 '15 at 18:27 1 ...