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How can I read command line parameters from an R script?

...ample: spec <- matrix(c( 'in' , 'i', 1, "character", "file from fastq-stats -x (required)", 'gc' , 'g', 1, "character", "input gc content file (optional)", 'out' , 'o', 1, "character", "output filename (optional)", 'help' , 'h', 0, "logical", "this ...
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How do you implement a re-try-catch?

...ans somehow that it will help our system to be more robust: try to recover from an unexpected event. 25 Answers ...
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When to use an object instance variable versus passing an argument to the method

...f a class. Think of these as adjectives of the object that will be created from your class. If your instance data can be used to help describe the object, then it's probably safe to bet it's a good choice for instance data. Local variables are used within the scope of methods to help them complete t...
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DirectX SDK (June 2010) Installation Problems: Error Code S1023

... If you customize the installation, you can refrain from installing the redistributable. Thus, you can keep the newer one when installing the SDK. Alternatively, you could just uninstall it as suggested and reinstall it after. – Fibericon ...
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Error:(1, 0) Plugin with id 'com.android.application' not found

... In my case, I download the project from GitHub and the Gradle file was missing. So I just create a new project with success build. Then copy-paste the Gradle missing file. And re-build the project is working for me. ...
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Format floats with standard json module

...defect in the standard library json package). E.g., this code: import json from json import encoder encoder.FLOAT_REPR = lambda o: format(o, '.2f') print(json.dumps(23.67)) print(json.dumps([23.67, 23.97, 23.87])) emits: 23.67 [23.67, 23.97, 23.87] as you desire. Obviously, there should be an...
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CSS – why doesn’t percentage height work? [duplicate]

... box's containing block. Take a look at these familiar examples, tweaked from the previous to vary width instead of height: <div id="c" style="width: 200px; height: 100px; background-color: orange"> <div id="cc" style="width: 50%; height: 100px; background-color: blue">&lt...
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MongoDB/NoSQL: Keeping Document Change History

...are a number of ways to approach it in an RDBMS--you can write all changes from all source tables to a single table (more of a log) or have a separate history table for each source table. You also have the option to either manage the logging in application code or via database triggers. ...
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List of tuples to dictionary

... Derp, I knew there would be a simple way to do it... Coming from Ruby here, trying to learn the Python way of doing things. Thanks! – Sarah Vessels Jun 29 '11 at 14:39 ...
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Java code To convert byte to Hexadecimal

...preferrable. References JLS 4.2.1 Integral Types and Values For byte, from -128 to 127, inclusive JLS 5.1.2 Widening Primitive Conversion share | improve this answer | ...