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How to remove all event handlers from an event
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I found a solution on the MSDN forums. The sample code below will remove all Click events from button1.
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
button1.Click += button1_Click;
button1.Click += button1_Click2;
button2.Clic...
How to set current working directory to the directory of the script in bash?
...l characters won't break the command. Try e.g. create the file via touch "-test" and touch -- -test, then remove the file via rm "-test" and rm -- -test, and see the difference.
– kenorb
Jun 12 '14 at 8:15
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No newline at end of file
...n lead to unexpected behavior when using other tools on the file.
Here is test.txt:
first line
second line
There is no newline character on the last line. Let's see how many lines are in the file:
$ wc -l test.txt
1 test.txt
Maybe that's what you want, but in most cases you'd probably expect ...
How do I parse a string to a float or int?
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Python method to check if a string is a float:
def is_float(value):
try:
float(value)
return True
except:
return False
A longer and more accurate name for this function could be: is_convertible_to_float(value)
What is, and is not a float in Python may surpris...
Usages of Null / Nothing / Unit in Scala
...wered Apr 23 '13 at 16:40
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How to make a div with no content have a width?
...e content of the div will take no room but will force the div to display
.test1::before{
content: "\200B";
}
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Fast way to get image dimensions (not filesize)
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I have done some tests with the ImageMagick identify command, using strace to record open/read/mmap/close calls to see how much data was been read from the identified image. It does depend on the file type and file size slightly, but I was ge...
How to disable UITextField editing but still accept touch?
I'm making a UITextField that has a UIPickerView as inputView . Its all good, except that I can edit by copy, paste, cut and select text, and I don't want it. Only the Picker should modify text field.
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How does the keyword “use” work in PHP and can I import classes with it?
...ou want to access those class objects then you can do the following:
$smtp_mailer = new SMTPMailer;
$mailgun_mailer = new MailgunMailer;
It will reference the original class.
Some may get confused that then of there are not Similar class names then there is no use of use keyword. Well, you can u...
NoSql Crash Course/Tutorial [closed]
... system that would use it or how I would implement it in my system. I'm really stuck in a relational-db mindset thinking of things in terms of tables and joins...
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