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Draw on HTML5 Canvas using a mouse
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Here is a working sample.
<html>
<script type="text/javascript">
var canvas, ctx, flag = false,
prevX = 0,
currX = 0,
prevY = 0,
currY = 0,
dot_flag = false;
var x = "black",
y = 2;
...
How do you stretch an image to fill a while keeping the image's aspect-ratio?
...100%;
}
Since you don't know the aspect ratio, you'll have to use some scripting. Here is how I would do it with jQuery (demo):
CSS
.container {
width: 40%;
height: 40%;
background: #444;
margin: 0 auto;
}
.container img.wide {
max-width: 100%;
max-height: 100%;
hei...
Integrated Markdown WYSIWYG text editor
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Hallo allows WYSIWYG editing of the HTML inside a <div>. I used javascript to hide any <textarea> blocks that have a specific wysiwyg CSS class, replacing it with a <div> and copying the contents of the <textarea> into the <div>. The copying runs through Showdown which...
R command for setting working directory to source file location in Rstudio
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To get the location of a script being sourced, you can use utils::getSrcDirectory or utils::getSrcFilename. So changing the working directory to that of the current file can be done with:
setwd(getSrcDirectory()[1])
This does not work in RStudio ...
The property 'value' does not exist on value of type 'HTMLElement'
I am playing around with typescript and am trying to create a script that will update a p-element as text is inputted in a input box.
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How do I add a submodule to a sub-directory?
... full path from the top of the working tree.
This is useful for shell scripts where we may want to cd to the top of the working tree but need to handle relative paths given by the user on the command line.
share
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Executing Shell Scripts from the OS X Dock?
How do I set up a shell script to execute from the Mac OSX dock? It seems that simply creating a shortcut will open the file in my editor. Is there a flag I need to set somewhere to tell it to run instead of opening it for editing?
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jQuery table sort
... td {
border: 1px solid black;
}
th {
cursor: pointer;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<table>
<tr><th>Country</th><th>Date</th><th>Size</th></tr>
<...
Hide div after a few seconds
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background: #000;
color: #fff;
text-align: center;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id="mydiv">myDiv</div>
If you just want to hide without fading, use hide().
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Command not found when using sudo
I have a script called foo.sh in my home folder.
9 Answers
9
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