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How do I invert BooleanToVisibilityConverter?
...ur own implementation of IValueConverter. A sample implementation is at
http://msdn.microsoft.com/en-us/library/system.windows.data.ivalueconverter.aspx
In your Convert method, have it return the values you'd like instead of the defaults.
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how to set radio option checked onload with jQuery
....prop("checked", true); for checkboxes.
You can play with this code here: http://jsbin.com/OSULAtu/1/edit?html,output
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Set focus on textbox in WPF
... was using a grid rather than a StackPanel.
I finally found this example:
http://spin.atomicobject.com/2013/03/06/xaml-wpf-textbox-focus/
and modified it to this:
In the 'Resources' section:
<Style x:Key="FocusTextBox" TargetType="Grid">
<Style.Triggers>
<D...
Differences between Exception and Error
...undException, ClassCastException, NullPointerException
further reading : http://javaconceptoftheday.com/difference-between-error-vs-exception-in-java/
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How to detect if a property exists on an ExpandoObject?
...n if the key does not exist, always return true
return true;
}
. . .
https://github.com/ASP-NET-MVC/aspnetwebstack/blob/master/src/System.Web.Mvc/DynamicViewDataDictionary.cs
You can see it being tied into MVC Views here, in MVC ViewPage:
http://aspnetwebstack.codeplex.com/SourceControl/late...
WARNING: UNPROTECTED PRIVATE KEY FILE! when trying to SSH into Amazon EC2 Instance
...my key file permission to 600.
sudo chmod 600 /path/to/my/key.pem
Link : http://stackabuse.com/how-to-fix-warning-unprotected-private-key-file-on-mac-and-linux/
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How do you read from stdin?
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this is what i needed, google brought me here. interestingly i managed to code rfid tags, datetime, databases, but never bothered to read input from the user lol
– clockw0rk
Jul 16 '19 at 13:44
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Check whether HTML element has scrollbars
... again to see if you get a result of 1. Then set them back to 0.
Example: http://jsfiddle.net/MxpR6/1/
function hasScroll(el, direction) {
direction = (direction === 'vertical') ? 'scrollTop' : 'scrollLeft';
var result = !! el[direction];
if (!result) {
el[direction] = 1;
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What is java interface equivalent in Ruby?
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Try rspec's "shared examples":
https://www.relishapp.com/rspec/rspec-core/v/3-5/docs/example-groups/shared-examples
You write a spec for your interface and then put one line in each implementer's spec, eg.
it_behaves_like "my interface"
Complete example:
RSpe...
Unicode character as bullet for list-item in CSS
... How is that “much more efficient”? You’re sending an additional HTTP request to fetch the image and the total file increases as you load an image for something that could just be done through the use of a single Unicode character.
– Mathias Bynens
Ju...