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How do I get a TextBox to only accept numeric input in WPF?
...bjectPastingEventArgs e)
{
if (e.DataObject.GetDataPresent(DataFormats.Text))
{
string text = Convert.ToString(e.DataObject.GetData(DataFormats.Text));
if (!IsValid(text, true))
{
e.CancelCommand();
}
}
...
window.location.href and window.open () methods in JavaScript
...a method that you can pass a URL to that you want to open in a new window. For example:
window.location.href example:
window.location.href = 'http://www.google.com'; //Will take you to Google.
window.open() example:
window.open('http://www.google.com'); //This will open Google in a new window.
Ad...
How do I list all cron jobs for all users?
...
You would have to run this as root, but:
for user in $(cut -f1 -d: /etc/passwd); do crontab -u $user -l; done
will loop over each user name listing out their crontab. The crontabs are owned by the respective users so you won't be able to see another user's cronta...
Reintegrate can only be used if revisions X through Y were previously merged from to reintegra
...
This worked great for me. The main trick was that Tortoise wasn't telling me the problem revision. After upgrading my command line svn client I was able to get it to give me a message like you have, and then was able to merge the problem rev...
Jackson and generic type reference
I want to use jackson json library for a generic method as follows:
3 Answers
3
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Postgresql GROUP_CONCAT equivalent?
...me_column, ',' ORDER BY some_column) or even string_agg(surname || ', ' || forename, '; ' ORDER BY surname, forename)
– IMSoP
May 16 '13 at 14:33
9
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Google Authenticator implementation in Python
...connected with incorrect value of secret key (it must be correct parameter for base64.b32decode() function).
Below I post full working solution with explanation on how to use it.
Code
The following code is enough. I have also uploaded it to GitHub as separate module called onetimepass (available ...
What is SOA “in plain english”? [closed]
...here, SOA there but I cannot understand exacly what it is and what is used for. Was it some simple concept and later evolved into something huge or what?
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Difference between two dates in Python
...ifferent dates and I want to know the difference in days between them. The format of the date is YYYY-MM-DD.
5 Answers
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What is the difference between an interface and abstract class?
...do not have a body. The interface can't do anything. It's just a pattern.
For example (pseudo code):
// I say all motor vehicles should look like this:
interface MotorVehicle
{
void run();
int getFuel();
}
// My team mate complies and writes vehicle looking that way
class Car implements ...