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C# Sort and OrderBy comparison
...}
}
static void Main()
{
List<Person> persons = new List<Person>();
persons.Add(new Person("P005", "Janson"));
persons.Add(new Person("P002", "Aravind"));
persons.Add(new Person("P007", "Kazhal"));
Sort(persons);
OrderBy(perso...
Stop Mongoose from creating _id property for sub-document array items
... what I tried yesterday was change this: let studentSchema = new Schema({ studentId: { type: ObjectId, ref: Student.modelName }, performance: [performanceSchema] }, { _id: false }); to this: let studentSchema = new Schema({ _id: false, id: false, studentId: { type: ObjectId, ref: Stude...
Removing all empty elements from a hash / YAML?
...t supports recursion
class Hash
def compact(opts={})
inject({}) do |new_hash, (k,v)|
if !v.nil?
new_hash[k] = opts[:recurse] && v.class == Hash ? v.compact(opts) : v
end
new_hash
end
end
end
...
Changing position of the Dialog on screen android
...
private void showPictureialog() {
final Dialog dialog = new Dialog(this,
android.R.style.Theme_Translucent_NoTitleBar);
// Setting dialogview
Window window = dialog.getWindow();
window.setGravity(Gravity.CENTER);
window.setLayout(LayoutParams.FILL_PAR...
How do I remove all non alphanumeric characters from a string except dash?
...
Replace [^a-zA-Z0-9 -] with an empty string.
Regex rgx = new Regex("[^a-zA-Z0-9 -]");
str = rgx.Replace(str, "");
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How to change the type of a field?
...to 2 (string).
So simply load the document from the DB, perform the cast (new String(x)) and then save the document again.
If you need to do this programmatically and entirely from the shell, you can use the find(...).forEach(function(x) {}) syntax.
In response to the second comment below. Chan...
How do you explicitly set a new property on `window` in TypeScript?
...lly you need to extend the existing window interface to tell it about your new property.
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Defining static const integer members in class definition
... I would think that your comment sounds like it would be best written as a new question. Write up a MCVE including the error you get, also maybe throw in what gcc says. I bet people would tell you quickly what's what.
– HostileFork says dont trust SE
Aug 15 '...
select count(*) from table of mysql in php
...rely in 7. Let's make it easier to upgrade and start using it now.
$dbh = new \PDO($dsn, $user, $password);
$sth = $dbh->prepare('SELECT count(*) as total from Students');
$sth->execute();
print_r($sth->fetchAll());
...
How can I add a third button to an Android Alert Dialog?
...d help explain the three different buttons you can use:
alertDialog = new AlertDialog.Builder(this).create();
alertDialog.setTitle("Dialog Button");
alertDialog.setMessage("This is a three-button dialog!");
alertDialog.setButton(AlertDialog.BUTTON_POSITIVE, "Button 1 Text", new D...