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How do you return a JSON object from a Java Servlet
...response.setContentType("application/json");
// Get the printwriter object from response to write the required json object to the output stream
PrintWriter out = response.getWriter();
// Assuming your json object is **jsonObject**, perform the following, it will return your json object
out.p...
Extracting the last n characters from a string in R
How can I get the last n characters from a string in R?
Is there a function like SQL's RIGHT?
15 Answers
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Is That REST API Really RPC? Roy Fielding Seems to Think So
...tty useful) or if, because people want code generation, those are embedded from a spec straight into the code, preventing the server from letting the client know about how it can do things. If the client thinks it knows due to that contract, you're not in hypermedia, you're into the modern day opena...
What is the main difference between Inheritance and Polymorphism?
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Inheritance is when a 'class' derives from an existing 'class'. So if you have a Person class, then you have a Student class that extends Person, Student inherits all the things that Person has. There are some details around the access modifiers you put on the ...
What is the difference between a URI, a URL and a URN?
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From RFC 3986:
A URI can be further classified as a locator, a name, or both. The
term "Uniform Resource Locator" (URL) refers to the subset of URIs
that, in addition to identifying a resource, provide a means ...
In java how to get substring from a string till a character c?
...ing firstWord = filename.replaceAll("\\..*","")
This replaces everything from the first dot to the end with "" (ie it clears it, leaving you with what you want)
Here's a test:
System.out.println("abc.def.hij".replaceAll("\\..*", "");
Output:
abc
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Staging Deleted files
...ions.
Git 2.0.0 Docs - git-add
< pathspec >…
Files to add content from. Fileglobs (e.g. *.c) can be given to add all
matching files. Also a leading directory name (e.g. dir to add dir/file1 and dir/file2) can be given to update the index to match the current state of the directory as a whol...
Is mathematics necessary for programming? [closed]
...inst that. He said that programmers need only basic mathematical knowledge from high school or fresh year college math, no more no less, and that almost all of programming tasks can be achieved without even need for advanced math. He argued, however, that algorithms are fundamental & must-have asset...
Generating random integer from a range
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Thanks, this seems to be good enough for me from quick tests - its distribution for the -1, 0, 1 is nearly 33:33:33.
– Matěj Zábský
Feb 15 '11 at 20:23
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How can I disable logging while running unit tests in Python Django?
...r the benefit of other readers: You would put the call to logging.disable (from the accepted answer) at the top of tests.py in your application that is doing the logging.
– CJ Gaconnet
Apr 6 '11 at 15:51
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