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printf with std::string?
...ficult. For an obvious example, when you're printing numbers for people to read, you typically want to insert thousands separators every few digits. The exact number of digits and the characters used as separators varies, but cout has that covered as well. For example:
std::locale loc("");
std::cou...
What is the difference between JVM, JDK, JRE & OpenJDK?
...
JDK and JRE
To explain the difference between JDK and JRE, the best is to read the Oracle documentation and consult the diagram:
Java Runtime Environment (JRE)
The Java Runtime Environment (JRE) provides the libraries, the Java Virtual Machine, and other components to run applets and applications ...
Facebook Graph API v2.0+ - /me/friends returns empty, or only friends who also use my application
...n... booleans) {
// No need to update this, wait until the whole thread finishes.
}
@Override
protected void onPostExecute(Boolean result) {
if (result) {
/*
User the array "myList" to create the adapter which will control showing items in the lis...
Interfaces — What's the point?
...method called "Order", whereas if you make the call to a C# object, it's already established that it implements that method, and the call can be made to such an such address.
– Boluc Papuccuoglu
May 11 '13 at 15:16
...
Understanding slice notation
... it, like a string) would look like this:
my_list[-9:]
When I see this, I read the part in the brackets as "9th from the end, to the end." (Actually, I abbreviate it mentally as "-9, on")
Explanation:
The full notation is
my_list[-9:None:None]
and to substitute the defaults (actually when step is ...
Kill child process when parent process is killed
...tructLayout(LayoutKind.Sequential)]
struct IO_COUNTERS
{
public UInt64 ReadOperationCount;
public UInt64 WriteOperationCount;
public UInt64 OtherOperationCount;
public UInt64 ReadTransferCount;
public UInt64 WriteTransferCount;
public UInt64 OtherTransferCount;
}
[StructLayo...
UnicodeDecodeError when redirecting to file
...e operating system (this is the reason for Python's universal newline file reading mode).
Now, what I have called "character" above is what Unicode calls a "user-perceived character". A single user-perceived character can sometimes be represented in Unicode by combining character parts (base charact...
Passing command line arguments to R CMD BATCH
...no-restore '--args a=1 b=c(2,5,6)' test.R test.out &
Test.R
##First read in the arguments listed at the command line
args=(commandArgs(TRUE))
##args is now a list of character vectors
## First check to see if arguments are passed.
## Then cycle through each element of the list and evaluate t...
Cocoa: What's the difference between the frame and the bounds?
... Lecture 5 - Views, Drawing, Animation
Practice yourself
In addition to reading the above articles, it helps me a lot to make a test app. You might want to try to do something similar. (I got the idea from this video course but unfortunately it isn't free.)
Here is the code for your reference:...
Java EE 6 @javax.annotation.ManagedBean vs. @javax.inject.Named vs. @javax.faces.ManagedBean
...s are called stateless and stateful. Stateless EJBs can be thought of as thread safe single-use beans that don’t maintain any state between two web requests. Stateful EJBs do hold state and can be created and sit around for as long as they are needed until they are disposed of.
Defining an EJB is...