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Sending websocket ping/pong frame from browser
... websockets to keep the connection alive, but I'm not sure what they are. Is it a distinct frame type? (I don't see any methods on a javascript WebSocket object in chrome related to ping-pong). Or is it just a design pattern (e.g. I literally send "ping" or any other string to the server and have ...
How to embed a SWF file in an HTML page?
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The best approach to embed a SWF into an HTML page is to use SWFObject.
It is a simple open-source JavaScript library that is easy-to-use and standards-friendly method to embed Flash content.
It also offers Flash player version detection. If the user does not have the versi...
How do you manage databases in development, test, and production?
...on. These solutions vary by language, but for .NET I use Migrator.NET. This allows you to version your database and move up and down between versions. Your schema is specified in C# code.
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Parse config files, environment, and command-line arguments, to get a single collection of options
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The argparse module makes this not nuts, as long as you're happy with a config file that looks like command line. (I think this is an advantage, because users will only have to learn one syntax.) Setting fromfile_prefix_chars to, for example, @, makes i...
What is the significance of initializing direction arrays below with given values when developing ch
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This is a technique to encode all directions as arrays - every pair of di[i],dj[i] is a different direction.
If we imagine we have a piece at a location x,y, and we want to add onto its x and its y value to move it to a nearby...
How can I add numbers in a Bash script?
I have this Bash script and I had a problem in line 16.
How can I take the previous result of line 15 and add
it to the variable in line 16?
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In git, is there a way to show untracked stashed files without applying the stash?
...id untracked files don't show up at all with git stash show stash@{0} . Is there any way to show untracked stashed files without applying the stash?
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Can a variable number of arguments be passed to a function?
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edited Mar 15 at 20:27
Nicolas Gervais
13.3k77 gol...
Why do python lists have pop() but not push()
Does anyone know why Python's list.append function is not called list.push given that there's already a list.pop that removes and returns the last element (that indexed at -1) and list.append semantic is consistent with that use?
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Instance variables vs. class variables in Python
...ce" from class to instance), and there are no downsides to weigh against this small advantage.
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