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How to change the opacity (alpha, transparency) of an element in a canvas element after it has been
...it in. I have figured out how to load the image and draw it to the canvas, but I don't know how to change its opacity once it as been drawn.
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HTML/CSS: Make a div “invisible” to clicks?
...rent <div> over some text. However, this means that the text can't be clicked (eg, to click links or select it). Would it be possible to simply make this div "invisible" to clicks and other mouse events?
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What is the difference between integration testing and functional testing? [closed]
...her. For instance how another system interacts with your system or the database interacts with your data abstraction layer. Usually this requires an fully installed system, although in its purest forms it does not.
Functional testing is when you test the system against the functional requirements o...
How can I get useful error messages in PHP?
Quite often I will try and run a PHP script and just get a blank screen back. No error message; just an empty screen. The cause might have been a simple syntax error (wrong bracket, missing semicolon), or a failed function call, or something else entirely.
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How do I change the figure size with subplots?
I came across this example in the Matplotlib website. I was wondering if it was possible to increase the figure size.
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Force overwrite of local file with what's in origin repo?
...r locally and you want the changes on the origin's master - if you're on a branch, substitute that in instead.)
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How to write to a JSON file in the correct format
I am creating a hash in Ruby and want to write it to a JSON file, in the correct format.
4 Answers
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How to merge the current branch into another branch
I have two branches, master and dev. I always work on dev and only check code into the master branch once it's been approved for production use. When I do so, I have to do the following:
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Create a list from two object lists with linq
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This can easily be done by using the Linq extension method Union. For example:
var mergedList = list1.Union(list2).ToList();
This will return a List in which the two lists are merged and doubles are removed. If you don't specify a compare...
Bash Templating: How to build configuration files from templates with Bash?
...t to automate creating configuration files for Apache and PHP for my own webserver. I don't want to use any GUIs like CPanel or ISPConfig.
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