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Change column type from string to float in Pandas
... data type you can give your datatype .what do you want like str,float,int etc.
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How to get current CPU and RAM usage in Python?
...d way of getting current system status (current CPU, RAM, free disk space, etc.) in Python? Bonus points for *nix and Windows platforms.
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REST API 404: Bad URI, or Missing Resource?
...ifference, but that doesn't imply that an empty string is an error. To stretch the analogy: You could have a method String getName() that has an implementation like this: return this.name == null ? "" : this.name. That's not incorrect unless you want the client to know that this.name is null.
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Qt events and signal/slots
...e the button should function like a normal QPushButton (it can be clicked, etc). In Qt this is done by creating your own little reusable "component" (subclass of QPushButton), which reimplements QWidget::keyPressEvent. Pseudocode:
class NumericButton extends QPushButton
private void addToNumber...
Create a custom View by inflating a layout?
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Yes you can do this. RelativeLayout, LinearLayout, etc are Views so a custom layout is a custom view. Just something to consider because if you wanted to create a custom layout you could.
What you want to do is create a Compound Control. You'll create a subclass of Relativ...
Javascript when to use prototypes
...{ ... },
css: function() { ... },
animate: function() { ... },
// etc...
};
But that would mean that every jQuery object in memory would have dozens of named slots containing the same methods, over and over.
Instead, those methods are defined on a prototype and all jQuery objects "inheri...
Set up DNS based URL forwarding in Amazon Route53 [closed]
...ct to the aws signin page.
Go to your nginx conf folder (in my case it's /etc/nginx/sites-available in which I create a symlink to /etc/nginx/sites-enabled for the enabled conf files).
Then add a redirect path
server {
listen 80;
server_name aws.example.com;
return 301 https://myaccount.si...
What Makes a Good Unit Test? [closed]
...ses with intention-revealing names, No duplication, tests with good names, etc.
Good tests also run Fast. any test that takes over half a second to run.. needs to be worked upon. The longer the test suite takes for a run.. the less frequently it will be run. The more changes the dev will try to sne...
Are getters and setters poor design? Contradictory advice seen [duplicate]
... check when tempted to promote a POJO to a Bean. Accessors, serialization, etc. are a form of complexity: stackoverflow.com/questions/601721/decoupling-vs-yagni
– Chris Noe
Aug 24 '10 at 15:11
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How to correctly use “section” tag in HTML5?
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Shouldn't the section also contain a heading (h1,h2, etc)?
– Joey V.
Oct 25 '11 at 14:56
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