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Understanding generators in Python

...A generator is simply a function which returns an object on which you can call next, such that for every call it returns some value, until it raises a StopIteration exception, signaling that all values have been generated. Such an object is called an iterator. Normal functions return a single value...
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jQuery get values of checked checkboxes into array

I am trying to get values of all checkboxes that are currently checked and store them into an array. Here is my code so far: ...
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Session variables in ASP.NET MVC

I am writing a web application that will allow a user to browse to multiple web pages within the website making certain requests. All information that the user inputs will be stored in an object that I created. The problem is that I need this object to be accessed from any part of the website and I ...
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How to get a key in a JavaScript object by its value?

...pt object, which I use as an associative array. Is there a simple function allowing me to get the key for a value, or do I have to iterate the object and find it out manually? ...
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How to set default values in Rails?

... "Correct" is a dangerous word in Ruby. There's usually more than one way to do anything. If you know you'll always want that default value for that column on that table, setting them in a DB migration file is the easiest way: class SetDefault < ActiveRecord::Migration ...
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Can someone explain the right way to use SBT?

...tarted, and why? I think the sane point is to build immunity to sbt gradually. Make sure you understand: scopes format {<build-uri>}<project-id>/config:key(for task-key) the 3 flavors of settings (SettingKey, TaskKey, InputKey) - read the section called "Task Keys" in http://www.sc...
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How do I remove  from the beginning of a file?

...oks fine when I open it using gedit , but when it's read by PHP (to merge all the CSS files into one), this CSS has the following characters prepended to it:  ...
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Why aren't variables declared in “try” in scope in “catch” or “finally”?

...Reader sr, [1] class [mscorlib]System.Exception ex) IL_0000: ldnull IL_0001: stloc.0 .try { .try { IL_0002: ldsfld string UsingTest.Class1::path IL_0007: newobj instance void [mscorlib]System.IO.StreamReader::.cto...
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Reference: mod_rewrite, URL rewriting and “pretty links” explained

...rver doesn't have to be Apache, there are many other web servers which are all just programs which run persistently and are attached to a port which respond to HTTP requests. You can write one yourself. This paragraph was intended to divorce you from any notion that URLs directly equal files, which ...
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How to Unit test with different settings in Django?

... EDIT: This answer applies if you want to change settings for a small number of specific tests. Since Django 1.4, there are ways to override settings during tests: https://docs.djangoproject.com/en/dev/topics/testing/tools/#overriding-settings TestCase will have a self.settings context ma...