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how to emulate “insert ignore” and “on duplicate key update” (sql merge) with postgresql?
...start transaction; create temporary table temporary_table as select * from test where false; copy temporary_table from 'data_file.csv'; lock table test; update test set data=temporary_table.data from temporary_table where test.id=temporary_table.id; insert into test select * from temporary_table whe...
How to really read text file from classpath in Java
... example, take this code:
package dummy;
import java.io.*;
public class Test
{
public static void main(String[] args)
{
InputStream stream = Test.class.getResourceAsStream("/SomeTextFile.txt");
System.out.println(stream != null);
stream = Test.class.getClassLoader(...
What is code coverage and how do YOU measure it?
...f how many lines/blocks/arcs of your code are executed while the automated tests are running.
Code coverage is collected by using a specialized tool to instrument the binaries to add tracing calls and run a full set of automated tests against the instrumented product. A good tool will give you not ...
when I run mockito test occurs WrongTypeOfReturnValue Exception
...
This is great tip. I was also having this issue when testing some Spring @Repository DAO method with @Aspect. if i do when(someDao.someMethod()).thenReturn(List<xxx>), I got this WrongTypeOfReturnValue exception. Thru debug, I can see that the someMethod method is actuall...
How to create an empty file at the command line in Windows?
... on a mapped drive
Nomad mentions an original one:
C:\Users\VonC\prog\tests>aaaa > empty_file
'aaaa' is not recognized as an internal or external command, operable program or batch file.
C:\Users\VonC\prog\tests>dir
Folder C:\Users\VonC\prog\tests
27/11/2013 10:40 <REP> ...
What is the best testing framework to use with Node.js? [closed]
I have looked at the rather long list of testing frameworks at https://github.com/ry/node/wiki/modules#testing . What is the experience with these frameworks?
...
How to Get the Current URL Inside @if Statement (Blade) in Laravel 4?
...->getName() to check your route name.
Example: routes.php
Route::get('test', ['as'=>'testing', function() {
return View::make('test');
}]);
View:
@if(Route::current()->getName() == 'testing')
Hello This is testing
@endif
...
Select distinct using linq [duplicate]
...
myList.GroupBy(test => test.id)
.Select(grp => grp.First());
Edit: as getting this IEnumerable<> into a List<> seems to be a mystery to many people, you can simply write:
var result = myList.GroupBy(test => tes...
Defining TypeScript callback type
...(name: type) => returntype;
In my example, it would be
class CallbackTest
{
public myCallback: () => void;
public doWork(): void
{
//doing some work...
this.myCallback(); //calling callback
}
}
...
How do I associate a Vagrant project directory with an existing VirtualBox VM?
...
# test1 and test2 boxes... for box in test1 test2; do virtualboxid=$(VBoxManage list vms | grep $box | cut -d' ' -f2); echo -n $virtualboxid > .vagrant/machines/$box/virtualbox/id; done
– luismartingil
...