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Execute command on all files in a directory

...ich need to be run through a program. The program outputs the results to standard out. I need a script that will go into a directory, execute the command on each file, and concat the output into one big output file. ...
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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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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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Are delphi variables initialized with a value by default?

I'm new to Delphi, and I've been running some tests to see what object variables and stack variables are initialized to by default: ...
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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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Declaring variables inside loops, good practice or bad practice?

... The compiler knows that the variable scope is limited to inside the loop, and therefore will issue a proper error message if the variable is by mistake referenced elsewhere. Last but not least, some dedicated optimization can be performed more efficiently by the compiler (most importantly register ...
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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 ...