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Is there a difference between copy initialization and direct initialization?
...ed temporary. Any members of c1 that have pod-type (or members of members, etc., etc.) may not be initialized if the user supplied default constructors (if any) do not explicitly initialize them. For c2, it depends on whether there is a user supplied copy constructor and whether that appropriately i...
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?
...
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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