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Easy way to write contents of a Java InputStream to an OutputStream
...eption
As the documentation states, transferTo will:
Reads all bytes from this input stream and writes the bytes to the
given output stream in the order that they are read. On return, this
input stream will be at end of stream. This method does not close
either stream.
This method ...
Importing data from a JSON file into R
Is there a way to import data from a JSON file into R? More specifically, the file is an array of JSON objects with string fields, objects, and arrays. The RJSON Package isn't very clear on how to deal with this http://cran.r-project.org/web/packages/rjson/rjson.pdf .
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How can I propagate exceptions between threads?
...ou might like to transfer between threads, store the information somewhere from that catch clause and then use it later to rethrow an exception. This is the approach taken by Boost.Exception.
In C++0x, you will be able to catch an exception with catch(...) and then store it in an instance of std::e...
What is the purpose of the “final” keyword in C++11 for functions?
...rn already mentioned in a comment is that if you are overriding a function from a base class, then you cannot possibly mark it as non-virtual:
struct base {
virtual void f();
};
struct derived : base {
void f() final; // virtual as it overrides base::f
};
struct mostderived : derived {
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Linq to EntityFramework DateTime
...as the EntityFunctions solution. Here, the second operand is not retrieved from another entity in query and can be computed prior to querying. If both operand were to be found in db, the EntityFunctions solution would still be suitable while the solution of this response would not work anymore.
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Jackson how to transform JsonNode to ArrayNode without casting?
I am changing my JSON library from org.json to Jackson and I want to migrate the following code:
4 Answers
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How to get the first item from an associative PHP array?
...) will return the first element, but it will also remove the first element from the array.
$first = array_shift($array);
current() will return the value of the array that its internal memory pointer is pointing to, which is the first element by default.
$first = current($array);
If you want to...
How can I run a program from a batch file without leaving the console open after the program starts?
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You can use the exit keyword. Here is an example from one of my batch files:
start myProgram.exe param1
exit
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Keep ignored files out of git status
I would like to stop Git from showing ignored files in git status , because having tons of documentation and config files in the list of Changed but not updated files, renders the list half-useless.
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What is the easiest way to push an element to the beginning of the array?
... between shift and unshift as to which adds to the array and which removes from the array, drop an 'f' from the names mentally and you get an all-too-clear picture as to the direction. (And then you have to remember that these methods don't work on the "end" of the array. ;)
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