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++someVariable vs. someVariable++ in JavaScript
... the final value"
x++ (post-increment) means "remember the original value, then increment the variable; the value of the expression is the original value"
Now when used as a standalone statement, they mean the same thing:
x++;
++x;
The difference comes when you use the value of the expression e...
How to know if other threads have finished?
...l.concurrent, or
More orthodox, create a listener in your main Thread, and then program each of your Threads to tell the listener that they have completed.
How to implement Idea #5? Well, one way is to first create an interface:
public interface ThreadCompleteListener {
void notifyOfThreadCo...
Getting the closest string match
... 1) + 1
cS = D(i - 1, j - 1) + cost
If cI <= cD Then 'Insertion or Substitution
If cI <= cS Then D(i, j) = cI Else D(i, j) = cS
Else 'Deletion or Substitution
If cD <= cS Then D(i, j) = cD Else D(i, j) = cS
End ...
Breaking/exit nested for in vb.net
...List
For Each item1 In itemList1
If item1.Text = "bla bla bla" Then
Goto end_of_for
End If
Next
Next
end_of_for:
Dummy outer block
Do
For Each item In itemList
For Each item1 In itemList1
If item1.Text = "bla bla bla" Then
...
Adding :default => true to boolean in existing Rails column
...ate a new migration:
rails g migration add_default_value_to_show_attribute
Then in the migration created:
# That's the more generic way to change a column
def up
change_column :profiles, :show_attribute, :boolean, default: true
end
def down
change_column :profiles, :show_attribute, :boolean, de...
Recommended way of getting data from the server
...Book by ID
Book.get = function(id) {
return $http.get('/Book/' + id).then(function(response) {
return new Book(response.data);
});
};
// an instance method to create a new Book
Book.prototype.create = function() {
var book = this;
return $http.post('/Book/', book).then...
How to handle $resource service errors in AngularJS
...r
}, function(error) {
// error handler
});
Resource.query().$promise.then(function(data) {
// success handler
}, function(error) {
// error handler
});
Resource.query({
'query': 'thequery'
}).$promise.then(function(data) {
// success handler
}, function(error) {
// error h...
MySQL pagination without double-querying?
...t will help a lot.
The other way is to use SQL_CALC_FOUND_ROWS clause and then call SELECT FOUND_ROWS(). apart from the fact you have to put the FOUND_ROWS() call afterwards, there is a problem with this: There is a bug in MySQL that this tickles that affects ORDER BY queries making it much slower ...
How to make ReSharper re-evaluate its assembly reference highlighting
...
Try unloading and then reloading the project.
To unload the project, right-click the project in the solution explorer, and select Unload Project. Then, right-click the project again and select Reload Project.
The issue continues to occur oc...
How to create permanent PowerShell Aliases
... both paths contain a profile.ps1 file the all user one is executed first, then the users specific.
Always put the code in the user specific profile if there is no need to extend its execution to each user. You don't need administrator rights to add the file to your user space (otherwise you do) and...