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Java ByteBuffer to String

...d should be the accepted answer. Your approach would be reasonable if you knew the bytes are in the platform's default charset. In your example, this is true because k.getBytes() returns the bytes in the platform's default charset. More frequently, you'll want to specify the encoding. However, the...
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How can I open a cmd window in a specific location?

...dow Here" context menu option on file system folders, giving you a quick way to open a command window (cmd.exe) pointing at the selected folder. EDIT : This software will not work on any version of Windows apart from Windows XP. ...
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Principal component analysis in Python

I'd like to use principal component analysis (PCA) for dimensionality reduction. Does numpy or scipy already have it, or do I have to roll my own using numpy.linalg.eigh ? ...
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python: how to send mail with TO, CC and BCC?

...ot only TO specific mailboxes, but CC and BCC them as well. It does not look like smtplib supports CC-ing and BCC-ing while sending emails. ...
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How to prevent auto-closing of console after the execution of batch file

... In Windows/DOS batch files: pause This prints a nice "Press any key to continue . . . " message Or, if you don't want the "Press any key to continue . . ." message, do this instead: pause >nul share ...
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How do I address unchecked cast warnings?

... The obvious answer, of course, is not to do the unchecked cast. If it's absolutely necessary, then at least try to limit the scope of the @SuppressWarnings annotation. According to its Javadocs, it can go on local variables; this way, it doesn't even affect the entire method. ...
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How do I sort an array of hashes by a value in the hash?

... Ruby's sort doesn't sort in-place. (Do you have a Python background, perhaps?) Ruby has sort! for in-place sorting, but there's no in-place variant for sort_by in Ruby 1.8. In practice, you can do: sorted = sort_me.sort_by { |k| k["value"] } puts sorted As of Ruby 1.9+, .sort_by! is ...
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How do I efficiently iterate over each entry in a Java Map?

...ring, String> entry : map.entrySet()) { System.out.println(entry.getKey() + "/" + entry.getValue()); } share | improve this answer | follow | ...
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Difference between partition key, composite key and clustering key in Cassandra?

...ticles around the net to understand the differences between the following key types. But it just seems hard for me to grasp. Examples will definitely help make understanding better. ...
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How to compare two strings in dot separated version format in Bash?

...ntil further notice.Paused until further notice. 286k8181 gold badges340340 silver badges409409 bronze badges ...