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What is a good reason to use SQL views?
...gregated tables, where the database engine aggregates
data (sum, average etc) and presents the calculated results as part of the data
Views can hide the complexity of data; for example a view could appear as
Sales2000 or Sales2001, transparently partitioning the actual underlying table
Views tak...
Static method in a generic class?
...oid doIt(T object) {
System.out.println("shake that booty '" + object.getClass().toString()
+ "' !!!");
}
private static class KC {
}
private static class SunshineBand {
}
public static void main(String args[]) {
KC kc = new KC();
SunshineBand sunshi...
Best design for a changelog / auditing database table? [closed]
...ifferent change log/auditing
(when something was added, deleted, modified, etc). I don't need to store particularly detailed info, so I was thinking something along the lines of:
...
How to install GCC piece by piece with GMP, MPFR, MPC, ELF, without shared libraries?
...r system package manager such as:
apt install gcc # for Debian, Ubuntu, etc.
yum install gcc # for RedHat, CentOS, etc.
brew install gcc # for Mac OS X
The Hard Way
GCC says the answer here is "the hard way" because it builds everything piece by piece, and does not use shared libraries.
...
Algorithm for creating a school timetable
... classes split in sub-groups some of the time?, Is this a weekly schedule? etc.) there isn't a well known problem class which corresponds to all the scheduling problems. Maybe, the Knapsack problem has many elements of similarity with these problems at large.
A confirmation that this is both a har...
Why is it not possible to extend annotations in Java?
... enum AnnotationCategory {
GENERAL,
SEMANTICS,
VALIDATION,
ETC
}
@Category(category={AnnotationCategory.GENERAL, AnnotationCategory.SEMANTICS})
public @interface FooBarAnnotation {
}
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UIButton inside a view that has a UITapGestureRecognizer
...is basically makes all user input types of controls like buttons, sliders, etc. work
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Why does Boolean.ToString output “True” and not “true”
...rything public in .NET is CamelCase - System.Boolean, True, System.String, etc - it's C#'s C heritage that lead to the aliasing of String to string, Boolean to bool, True to true, etc. (Although my personal preference is still C#).
– stusmith
Jan 29 '09 at 13:1...
VIM Replace word with contents of paste buffer?
...n its place.
In practice, when I need to replace one word (function name, etc.) with another, I'll move to the one to use as a replacement, yiw to yank the inner word to the unnamed register, then move to the word I'm replacing, and viwp to replace it. Pretty quick way of substituting one word for ...
Should I use `this` or `$scope`?
...casting events, accessing form validation variables inside your controller etc. This leads to a somewhat mixed environment where you still need to inject $scope even though you use the controller as feature.
– Beyers
Nov 17 '13 at 14:10
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