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Polymorphism vs Overriding vs Overloading
...emale. It’s got to be one or the other.
So we defer the implementation by using the abstract class.
public class Male extends Human{
...
@Override
public void goPee(){
System.out.println("Stand Up");
}
}
and
public class Female extends Human{
...
@Override
public ...
Why are ToLookup and GroupBy different?
...
why would I ever bother with GroupBy? Why should it exist?
What happens when you call ToLookup on an object representing a remote database table with a billion rows in it?
The billion rows are sent over the wire, and you build the lookup table locally.
Wh...
Detect if an input has text in it using CSS — on a page I am visiting and do not control?
...ute (that CSS sees), is not the same as the node's value property (Changed by the user or DOM javascript, and submitted as form data).
Unless you care only about the initial state, you must use a userscript or Greasemonkey script. Fortunately this is not hard. The following script will work in Ch...
HTML5 Local storage vs. Session storage
...ifferent expiration time, sessionStorage will only be accessible while and by the window that created it is open. localStorage lasts until you delete it or the user deletes it.
Lets say that you wanted to save a login username and password you would want to use sessionStorageover localStorage for se...
How do you log server errors on django sites
... 'level': 'ERROR',
# But the emails are plain text by default - HTML is nicer
'include_html': True,
},
# Log to a text file that can be rotated by logrotate
'logfile': {
'class': 'logging.handlers.WatchedFileHandler',
...
What are Bearer Tokens and token_type in OAuth 2?
...roof-of-possession).
The Bearer Token or Refresh token is created for you by the Authentication server. When a user authenticates your application (client) the authentication server then goes and generates for your a Bearer Token (refresh token) which you can then use to get an access token.
The Be...
Enable bundling and minification in debug mode in ASP.NET MVC 4
...
You can enable this by adding
BundleTable.EnableOptimizations = true;
in your RegisterBundles method (BundleConfig class in the App_Start folder).
check http://www.asp.net/mvc/tutorials/mvc-4/bundling-and-minification for more info
You coul...
Insert multiple rows WITHOUT repeating the “INSERT INTO …” part of the statement?
...ou might have figured this out yet long ago, but it's really quite simple. By using select you create a set with columns and rows, and by design these rows can be inserted into another table with an equal amount of columns. You can even use a mixture of literals and values. For example, using insert...
C# - Multiple generic types in one list
...oper, nor does it prevent a developer from shooting themselves in the foot by erroneously adding some non-MetaData object to the list. By using a List<MetaData> it is understood what the list should contain. Most likely MetaData will have some public properties/methods that haven't been shown...
Viewing full version tree in git
...aster origin/experiment
... or more exotic things like:
gitk --simplify-by-decoration --all
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