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Convert pandas dataframe to NumPy array
....get_values() is simply a wrapper around DataFrame.values, so everything said above applies.
DataFrame.as_matrix() is deprecated now, do NOT use!
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How do I get SUM function in MySQL to return '0' if no values are found?
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Use COALESCE to avoid that outcome.
SELECT COALESCE(SUM(column),0)
FROM table
WHERE ...
To see it in action, please see this sql fiddle: http://www.sqlfiddle.com/#!2/d1542/3/0
More Information:
Given three tables (one with all numbers...
How to change ViewPager's page?
I'm using ViewPager in my app and define it in the main Activity. Inside onCreate method I load some number of pages from SharedPreferences and then pass it to PagerAdapter:
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Change URL and redirect using jQuery
... not have an option for this, nor should it have one. This is perfectly valid javascript and there is no reason for jQuery to provide wrapper functions for this.
jQuery is just a library on top of javascript, even if you use jQuery you can still use normal javascript.
Btw window.location is not a ...
Get screen width and height in Android
How can I get the screen width and height and use this value in:
29 Answers
29
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How do I show an open file in eclipse Package Explorer?
...w -> Preferences -> General -> Keys -> Show In (Show In Target Id: Package Explorer). Mine is ctrl-alt-left arrow, be welcome to copy.
Edit: In Luna Command name has changed a little. Instead of Show In (Show In Target Id: Package Explorer) command is now Show In (Package Explorer).
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UITextfield leftView/rightView padding on iOS7
...s of UITextField instead of the default NSObject
Add a new method named - (id)initWithCoder:(NSCoder*)coder to set the image
- (id)initWithCoder:(NSCoder*)coder {
self = [super initWithCoder:coder];
if (self) {
self.clipsToBounds = YES;
[self setRightViewMode:UITextFieldVi...
Effects of changing Django's SECRET_KEY
...s between views.
protect session data and create random session keys to avoid tampering as well.
create random salt for most password hashers
create random passwords if necessary
create itself when using startproject
create CSRF key
In reality a lot of the items listed here use SECRET_KEY through...
How do I programmatically click a link with javascript?
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document.getElementById('yourLinkID').click();
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Find the PID of a process that uses a port on Windows
...e:
Proto Local Address Foreign Address State PID
TCP 0.0.0.0:37 0.0.0.0:0 LISTENING 1111
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