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Binding ConverterParameter
... of a normal Binding:
<Style TargetType="FrameworkElement">
<Setter Property="Visibility">
<Setter.Value>
<MultiBinding Converter="{StaticResource AccessLevelToVisibilityConverter}">
<Binding Path="Tag" RelativeSource="{RelativeSour...
HTML img scaling
...
Only set the width or height, and it will scale the other automatically. And yes you can use a percentage.
The first part can be done, but requires JavaScript, so might not work for all users.
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Javascript Functions and default parameters, not working in IE and Chrome
...ose = false;
}
}
This is often shortened to something like:
function setName(name) {
name = name || 'Bob';
}
Update
The above is true for ECMAScript <= 5. ES6 has proposed Default parameters. So the above could instead read:
function setName(name = 'Bob') {}
...
How to position a div in the middle of the screen when the page is bigger than the screen
...%;
left: 50%;
width:30em;
height:18em;
margin-top: -9em; /*set to a negative number 1/2 of your height*/
margin-left: -15em; /*set to a negative number 1/2 of your width*/
border: 1px solid #ccc;
background-color: #f3f3f3;
}
...
What is the difference between the states selected, checked and activated in Android?
...single or multiple selection
enabled, the views in the current selection set are activated. (Um,
yeah, we are deeply sorry about the terminology here.) The activated
state is propagated down to children of the view it is set on.
So here is the difference:
Activated was introduced in Honeyc...
Does adding a duplicate value to a HashSet/HashMap replace the previous value
...HashMap, it replaces the old value with the new one.
In the case of HashSet, the item isn't inserted.
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What do the &,
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&default means you're labeling this set of attributes with some name for later use
<<: *default means you're including all attributes from group labeled as default
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Open a URL in a new tab (and not a new window)
...th how the new tab/window is opened. It's all determined by your browser's settings. Using window.open tells the browser to open something new, then the browser opens up what is chosen in its settings - tab or window. In the browsers you tested with, change the settings to open in a new window inste...
Differences between git remote update and fetch?
...red remotes, assuming that you don't have remote.<name>.skipFetchAll set for them:
If true, this remote will be skipped by default when updating using git-fetch(1) or the update subcommand of git-remote(1). — git-config documentation
This would be equivalent to using
git remote update...
Filter element based on .data() key/value
... div elements with class .navlink , which, when clicked, use .data() to set a key called 'selected' , to a value of true :
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