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How to remove all event handlers from an event
...m1()
{
InitializeComponent();
button1.Click += button1_Click;
button1.Click += button1_Click2;
button2.Click += button2_Click;
}
private void button1_Click(object sender, EventArgs e) => MessageBox.Show("Hello");
private void button1_Click2(objec...
How to get a list of column names on Sqlite3 database?
...
PRAGMA table_info(table_name);
will get you a list of all the column names.
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How do I get the key at a specific index from a Dictionary in Swift?
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Doesn't work... 'NSDictionary' is not convertible to '_ArrayBuffer<T>'
– Chris
Mar 7 '15 at 19:12
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How to set the id attribute of a HTML element dynamically with angularjs (1.x)?
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Just <input id="field_name_{{$index}}" />
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Take a screenshot of a webpage with JavaScript?
... to build the control in VB6 to take the screenshot. I had to use the keybd_event API call because SendKeys can't do PrintScreen. Here's the code for that:
Declare Sub keybd_event Lib "user32" _
(ByVal bVk As Byte, ByVal bScan As Byte, ByVal dwFlags As Long, ByVal dwExtraInfo As Long)
Public Const...
package R does not exist
...R, but prefix the offending ids with android., e.g. android.R.layout.simple_list_item_2
You may import android.R instead of prefixing the ids of course, but then you cannot import the application R class anymore and must prefix the application ids, e.g. com.example.android.R.id.main_menu.
The R ...
Best way to change the background color for an NSView
...:dirtyRect];
}
In Swift:
class MyView: NSView {
override func draw(_ dirtyRect: NSRect) {
super.draw(dirtyRect)
// #1d161d
NSColor(red: 0x1d/255, green: 0x16/255, blue: 0x1d/255, alpha: 1).setFill()
dirtyRect.fill()
}
}
...
Why, Fatal error: Class 'PHPUnit_Framework_TestCase' not found in …?
... used to say to include/require PHPUnit/Framework.php, as follows:
require_once ('PHPUnit/Framework/TestCase.php');
UPDATE
As of PHPUnit 3.5, there is a built-in autoloader class that will handle this for you:
require_once 'PHPUnit/Autoload.php';
Thanks to Phoenix for pointing this out!
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Find all files in a directory with extension .txt in Python
...hat, PEP8 recommends appending a single underscore to such names, i.e. file_, which you'd have to agree is still quite readable.
– martineau
Oct 14 '12 at 19:04
9
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String comparison in Python: is vs. == [duplicate]
...ython allows anything to be used as a boolean expression. If you have bool_a == 3 and bool_b == 4, then bool_a != bool_b, but bool_a xor bool_b is false (because both terms are true).
– dan04
Jun 7 '10 at 12:57
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