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Unix command to prepend text to a file

Is there a Unix command to prepend some string data to a text file? 16 Answers 16 ...
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Removing Java 8 JDK from Mac

So I installed the beta of JDK 8 a while ago to look at some of the examples. I thought for sure by now, it's easy to change between versions. ...
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What's the common practice for enums in Python? [duplicate]

What's the common practice for enums in Python? I.e. how are they replicated in Python? 4 Answers ...
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get CSS rule's percentage value in jQuery

... There's no built-in way, I'm afraid. You can do something like this: var width = ( 100 * parseFloat($('.largeField').css('width')) / parseFloat($('.largeField').parent().css('width')) ) + '%'; ...
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Split array into chunks

Let's say that I have an Javascript array looking as following: 57 Answers 57 ...
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How do the PHP equality (== double equals) and identity (=== triple equals) comparison operators dif

What is the difference between == and === in PHP? 11 Answers 11 ...
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Best way to test exceptions with Assert to ensure they will be thrown

Do you think that this is a good way for testing exceptions? Any suggestions? 9 Answers ...
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Creating an iframe with given HTML dynamically

I'm trying to create an iframe from JavaScript and fill it with arbitrary HTML, like so: 7 Answers ...
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Getting Java version at runtime

I need to work around a Java bug in JDK 1.5 which was fixed in 1.6. I'm using the following condition: 12 Answers ...
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MongoDb query condition on comparing 2 fields

...lect those with condition Grade1 > Grade2 , how can I get a query like in MySQL? 4 Answers ...