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Sorting multiple keys with Unix sort

...s that need to be sorted by 1-n keys. Some of these keys might be numeric and some of them might not be. This is a fixed-width columnar file so there are no delimiters. ...
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The import android.support cannot be resolved

...g to run the code provided HERE I downloaded the code from their Github and imported into Android SDK, but it shows error at the lines ...
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How to force the browser to reload cached CSS/JS files?

I have noticed that some browsers (in particular, Firefox and Opera) are very zealous in using cached copies of .css and .js files, even between browser sessions. This leads to a problem when you update one of these files but the user's browser keeps on using the cached copy. ...
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A generic error occurred in GDI+, JPEG Image to MemoryStream

... OK I seem to have found the cause just by sheer luck and its nothing wrong with that particular method, it's further back up the call stack. Earlier I resize the image and as part of that method I return the resized object as follows. I have inserted two calls to the above met...
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Fastest way to check a string contain another substring in JavaScript?

...string (I just need the boolean value)? Could you please suggest your idea and sample snippet code? 8 Answers ...
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How to reliably open a file in the same directory as a Python script

...ame directory as the currently running Python script by simply using a command like 5 Answers ...
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Linq: What is the difference between Select and Where

The Select and Where methods are available in Linq. What should every developer know about these two methods? For example: when to use one over the other, any advantages of using one over the other, etc. ...
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How to convert a String to its equivalent LINQ Expression Tree?

...o you mean by "writing a parser (using Expression under the hood)" Parsing and then generating an expression tree, or does System.Linq.Expressions have some parsing mechanism? – AK_ Jul 1 '13 at 14:51 ...
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C# Sort and OrderBy comparison

...0ms In this scenario it looks like OrderBy performs better. UPDATE2: And using random names: List<Person> persons = new List<Person>(); for (int i = 0; i < 100000; i++) { persons.Add(new Person("P" + i.ToString(), RandomString(5, true))); } Where: private static Random r...
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Best practices to handle routes for STI subclasses in rails

My Rails views and controllers are littered with redirect_to , link_to , and form_for method calls. Sometimes link_to and redirect_to are explicit in the paths they're linking (e.g. link_to 'New Person', new_person_path ), but many times the paths are implicit (e.g. link_to 'Show', person ...