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How to quickly and conveniently create a one element arraylist [duplicate]
...n construct an ArrayList and the fixed-sizeList like
return new ArrayList<String>(Arrays.asList(s));
and (in Java 7+) you can use the diamond operator <> to make it
return new ArrayList<>(Arrays.asList(s));
Single Element List
Collections can return a list with a single ele...
How to build a jar using maven, ignoring test results? [duplicate]
...ep maven from stopping you can add this to the section of the pom.xml:
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<configuration>
<testFailureIgnore>true</testFailureIgnore>
&...
How to print to console when using Qt
...can use the following streams originally intended for debugging:
#include<QDebug>
//qInfo is qt5.5+ only.
qInfo() << "C++ Style Info Message";
qInfo( "C Style Info Message" );
qDebug() << "C++ Style Debug Message";
qDebug( "C Style Debug Message" );
qWarning() << "C++ Sty...
Best way to get child nodes
... there is to it.
There is nothing unpredictable about either collection, although there are a couple of issues to be aware of:
IE <= 8 do not include white space-only text nodes in childNodes while other browsers do
IE <= 8 includes comment nodes within children while other browsers only ha...
std::unique_lock or std::lock_guard?
...std::lock_guard also provides a convenient RAII wrapper, but cannot lock multiple mutexes safely. It can be used when you need a wrapper for a limited scope, e.g.: a member function:
class MyClass{
std::mutex my_mutex;
void member_foo() {
std::lock_guard<mutex_type> lock(this-...
Embedding unmanaged dll into a managed C# dll
... DLL in this assembly.
// The name looks funny because it must be the default namespace of this project
// (MyAssembly.) plus the name of the Properties subdirectory where the
// embedded resource resides (Properties.) plus the name of the file.
using (Stream stm = Assembly.GetExecutingAssembly().Ge...
Why does casting int to invalid enum value NOT throw exception?
... a fan of the way this works, so I made a series of utility methods:
/// <summary>
/// Utility methods for enum values. This static type will fail to initialize
/// (throwing a <see cref="TypeInitializationException"/>) if
/// you try to provide a value that is not an enum.
/// </su...
How to give System property to my test via Gradle and -D
...i don't want to list all properties given on the commandline in the gradle script again. Therefore i send all system properties to my test
task integrationTest(type: Test) {
useTestNG()
options {
systemProperties(System.getProperties())
}
}
...
How do you make a HTTP request with C++?
...RLpp 0.7.3
// Note : namespace changed, was cURLpp in 0.7.2 ...
#include <curlpp/cURLpp.hpp>
#include <curlpp/Options.hpp>
// RAII cleanup
curlpp::Cleanup myCleanup;
// Send request and get a result.
// Here I use a shortcut to get it in a string stream ...
std::ostringstream os;
os...
What exception classes are in the standard C++ library
...
std::exception <exception> interface (debatable if you should catch this)
std::bad_alloc <new> failure to allocate storage
std::bad_array_new_length <new> invalid array length
std::bad_cast <typeinfo> ...