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How to use ADB to send touch events to device using sendevent command?
...a device using AndroidDebugBridge, so that I can do some basic automation for UI tests. I have followed the discussion in LINK . I am able to use sendevent to simulate touch on emulators, but unable to do the same on a device.
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How do you 'redo' changes after 'undo' with Emacs?
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Short version: by undoing the undo. If you undo, and then do a non-editing command such as C-f, then the next undo will undo the undo, resulting in a redo.
Longer version:
You can think of undo as operating on a stack of oper...
What does the “at” (@) symbol do in Python?
...ymbol, but I have no idea what it does. I also do not know what to search for as searching Python docs or Google does not return relevant results when the @ symbol is included.
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Deploying website: 500 - Internal server error
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First, you need to enable and see detailed errors of your web messages, because this is a general message without giving information on what's really happening for security reasons.
With the detailed error, you can locate the real issue here.
Also, if you can run the b...
parsing JSONP $http.jsonp() response in angular.js
... 1.6
You can no longer use the JSON_CALLBACK string as a placeholder for
specifying where the callback parameter value should go
You must now define the callback like so:
$http.jsonp('some/trusted/url', {jsonpCallbackParam: 'callback'})
Change/access/declare param via $http.defaults.jsonp...
Rails render partial with block
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While both of those answers above work (well the example that tony links to anyway) I ended up finding the most succinct answer in that above post (comment by Kornelis Sietsma)
I guess render :layout does exactly what I was looking for:
# Some View
<%= re...
“Uncaught TypeError: Illegal invocation” in Chrome
When I use requestAnimationFrame to do some native supported animation with below code:
3 Answers
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Must qualify the allocation with an enclosing instance of type GeoLocation
I am getting this error as-
6 Answers
6
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What's the use/meaning of the @ character in variable names in C#?
...ad a member variable with the name "params". Obviously this is a reserved word in C# so you can't have a class with a member variable with the name "params". The proxy object that was generated contained a property that looked like this:
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What's wrong with foreign keys?
...ring Joel Spolsky mention in podcast 014 that he'd barely ever used a foreign key (if I remember correctly). However, to me they seem pretty vital to avoid duplication and subsequent data integrity problems throughout your database.
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