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How to plot two histograms together in R?
I am using R and I have two data frames: carrots and cucumbers. Each data frame has a single numeric column which lists the length of all measured carrots (total: 100k carrots) and cucumbers (total: 50k cucumbers).
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How can I detect when the mouse leaves the window?
...answer has aged a lot.
This type of behavior is usually desired while implementing drag-drop behavior on an html page. The solution below was tested on IE 8.0.6, FireFox 3.6.6, Opera 10.53, and Safari 4 on an MS Windows XP machine.
First a little function from Peter-Paul Koch; cross browser event h...
AngularJS : What is a factory?
...on Angular.js and overall I find it to be an interesting and powerful framework.
4 Answers
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How to fade to display: inline-block
...hould be added invisible, and fade in when they are fully loaded.
The elements need a display: inline-block style.
6 Answ...
ModelState.AddModelError - How can I add an error that isn't for a property?
...ies, as usual you call:
ModelState.AddModelError(string key, string errorMessage);
but use an empty string for the key:
ModelState.AddModelError(string.Empty, "There is something wrong with Foo.");
The error message will present itself in the <%: Html.ValidationSummary() %> as you'd exp...
What's the right way to decode a string that has special HTML entities in it? [duplicate]
Say I get some JSON back from a service request that looks like this:
7 Answers
7
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Android: How to handle right to left swipe gestures
...android.view.View.OnTouchListener;
public class OnSwipeTouchListener implements OnTouchListener {
private final GestureDetector gestureDetector;
public OnSwipeTouchListener (Context ctx){
gestureDetector = new GestureDetector(ctx, new GestureListener());
}
@Override
p...
ASP.NET MVC 4 Custom Authorize Attribute with Permission Codes (without roles)
...rivilegeLevels = string.Join("", GetUserRights(httpContext.User.Identity.Name.ToString())); // Call another method to get rights of the user from DB
return privilegeLevels.Contains(this.AccessLevel);
}
}
You can redirect an unauthorised user in your custom AuthorisationAttr...
How can I return an empty IEnumerable?
...suggestions given in this question , I've decided to modify this original method and ask if there are any values in the IEnumarable return it, if not return an IEnumerable with no values.
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Dynamic variable names in Bash
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Use an associative array, with command names as keys.
# Requires bash 4, though
declare -A magic_variable=()
function grep_search() {
magic_variable[$1]=$( ls | tail -1 )
echo ${magic_variable[$1]}
}
If you can't use associative arrays (e.g., you must su...
