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Multiple linear regression in Python
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Just noticed that your x1, x2, x3 are in reverse order in your original predictor list, i.e., x = [x3, x2, x1]?
– sophiadw
Apr 22 '16 at 3:27
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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...
Performance of Java matrix math libraries? [closed]
...kes decisions on how to allocate variables to registers when it can; it re-orders instructions to take advantage of processor architecture... A possible exception is that as I mentioned, Hotspot will only perform one operation per SSE instruction; in principle you could have a fantastically optimise...
Comparison between Corona, Phonegap, Titanium
...This is all dependent on the timing, putting the rows of code in different order might crash or heal your application. Adding a window in another file.js breaks your app.js execution... This also trashes internal datastructures in Titanium, as they sometimes can update internal datastructures in par...
Convert objective-c typedef to its string equivalent
... array.
Make sure the indexes are the appropriate enums, and in the right order (otherwise exception).
note: names is a property synthesized as *_names*;
code was not checked for compilation, but I used the same technique in my app.
typedef enum {
JSON,
XML,
Atom,
RSS
} FormatType;
+ (N...
Good tutorials on XMPP? [closed]
... might be an old question, but I just wanted to keep the process I used in order to learn XMPP.
A few years ago, a few friends of mine and I were learning about how to leverage XMPP, and understanding how it fits into larger piece is quite a tedious task. I highly recommend starting off by reading ...
How to log in to phpMyAdmin with WAMP, what is the username and password?
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How to secure database passwords in PHP?
...file and then lock the file using a .htaccess:
<files mypasswdfile>
order allow,deny
deny from all
</files>
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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...
Setting DIV width and height in JavaScript
...0px");
For cross-compatibility, you will still need to use the property. Order may also matter. For instance, in my code, when setting style properties with JavaScript, I set the style attribute first, then I set the properties:
document.getElementById("mydiv").setAttribute("style","display:block...