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Do HTML WebSockets maintain an open connection for each client? Does this scale?
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Among $_REQUEST, $_GET and $_POST which one is the fastest?
...$_POST and $_COOKIE.
But it's only a default, which depends on variables_order ; and not sure you want to work with cookies.
If I had to choose, I would probably not use $_REQUEST, and I would choose $_GET or $_POST -- depending on what my application should do (i.e. one or the other, but not bot...
Install NPM into home directory with distribution nodejs package (Ubuntu)
... from the environment variable whenever npm runs (note I changed " to ' in order to prevent the shell that executes the echo from expanding the variable, and I added {} around the variable, since that is the syntax used in .npmrc. To make this work, I did have to change .bashrc to read: export NPM_P...
MySQL maximum memory usage
...ld utilize ulimit, but you'd likely have to modify the way MySQL starts in order to impose this.
The best solution is to tune your server down, so that a combination of the usual MySQL memory settings will result in generally lower memory usage by your MySQL installation. This will of course hav...
How to use NSURLConnection to connect with SSL for an untrusted cert?
...poses it is highly recommended that you do not change application logic in order disable the built in certificate validation provided by the NSURLConnection APIs. If the application is released to the public without removing this logic, it will be susceptible to man-in-the-middle attacks.
The reco...
Task vs Thread differences [duplicate]
...izing switching cost - aka inline execution) 2) prefer execute tasks in an order they were started - aka PreferFairness 3) more effective distribution of tasks between inactive threads depending on "prior knowledge of tasks activity" - aka Work Stealing. Important: in general "async" is not same as...
How to smooth a curve in the right way?
...om(100) * 0.2
yhat = savitzky_golay(y, 51, 3) # window size 51, polynomial order 3
plt.plot(x,y)
plt.plot(x,yhat, color='red')
plt.show()
UPDATE: It has come to my attention that the cookbook example I linked to has been taken down. Fortunately, the Savitzky-Golay filter has been incorporated i...
Is there a command to undo git init?
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Python, remove all non-alphabet chars from string
...ąć1-2!Абв3§4“5def”')) to get the same result.
In Python re, in order to match any Unicode letter, one may use the [^\W\d_] construct (Match any unicode letter?).
So, to remove all non-letter characters, you may either match all letters and join the results:
result = "".join(re.findall(r...
Can I embed a custom font in an iPhone application?
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Before anyone else spends 3 hours installing fontforge in order to find the actual postscript name of the font required by iOS. I'll point out that you can simply press Cmd+I on the font in font book to find this information.
– Daniel Wood
Mar ...