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Javascript - sort array based on another array
...to do with "optimization", unless the volume of data is guaranteed to be small (which may be the case here).
– Julien Royer
Nov 9 '12 at 9:36
2
...
Visual Studio Project vs. Solution
...ler settings and other configuration files that might be needed by various services or components that your program will communicate with.
You don't have to use solutions or projects if you don't want to. You can simply open the files in Visual Studio and start editing your code.
In a literal sense,...
How do you test that a Python function throws an exception?
...t ahold of the actual Exception object thrown:
import unittest
def broken_function():
raise Exception('This is broken')
class MyTestCase(unittest.TestCase):
def test(self):
with self.assertRaises(Exception) as context:
broken_function()
self.assertTrue('This i...
How to delete all the rows in a table using Eloquent?
...
The reason MyModel::all()->delete() doesn't work is because all() actually fires off the query and returns a collection of Eloquent objects.
You can make use of the truncate method, this works for Laravel 4 and 5:
MyModel::truncate();
Th...
Listening for variable changes in JavaScript
...ve an array of listeners instead of a single one and then instead of just calling this.aListener(val), you would have to loop through all listener functions and call each one passing val. Typically, the method is called addListener instead of registerListener.
– Akira
...
std::unique_lock or std::lock_guard?
...er you need to relock the guard.
std::unique_lock has other features that allow it to e.g.: be constructed without locking the mutex immediately but to build the RAII wrapper (see here).
std::lock_guard also provides a convenient RAII wrapper, but cannot lock multiple mutexes safely. It can be us...
SQL command to display history of queries
... you need to put those commands in /etc/mysql/my.cnf and restart the MySQL service.
– jeffmjack
Feb 6 '19 at 14:24
Als...
How to ignore certain files in Git
...
How to ignore new files
Globally
Add the path(s) to your file(s) which you would like to ignore to your .gitignore file (and commit them). These file entries will also apply to others checking out the repository.
Locally
Add the path(s) to your file(...
Update relationships when saving changes of EF4 POCO objects
...ost to context. After attaching object to context the state of the object, all related objects and all relations is set to Unchanged.
Use context.ObjectStateManager.ChangeObjectState to set your BlogPost to Modified
Iterate through Tag collection
Use context.ObjectStateManager.ChangeRelationshipStat...
Send message to specific client with socket.io and node.js
..."I'm the master", function() {
// Save the socket id to Redis so that all processes can access it.
client.set("mastersocket", socket.id, function(err) {
if (err) throw err;
console.log("Master socket is now" + socket.id);
});
});
socket.on("message to master", function(...