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Setting background colour of Android layout element
I am trying to, somewhat clone the design of an activity from a set of slides on Android UI design . However I am having a problem with a very simple task.
...
Match everything except for specified strings
... can do it like this:
^(?!(red|green|blue)$).*$
This says, start the match from the beginning of the string where it cannot start and end with red, green, or blue and match anything else to the end of the string.
You can try it here: https://regex101.com/r/rMbYHz/2
Note that this only works with reg...
How to implement a ConfigurationSection with a ConfigurationElementCollection
...about how yield really works read this nice article
Two key points taken from above article are
it doesn’t really end the method’s execution. yield return pauses the
method execution and the next time you call it (for the next
enumeration value), the method will continue to execute fro...
What issues should be considered when overriding equals and hashCode in Java?
...ode().
Use the excellent helper classes EqualsBuilder and HashCodeBuilder from the Apache Commons Lang library. An example:
public class Person {
private String name;
private int age;
// ...
@Override
public int hashCode() {
return new HashCodeBuilder(17, 31). // two r...
PHP YAML Parsers [closed]
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There are other lesser known libraries (like this one, from the Horde project), but I didn't want to delve much into these.
– NullUserException
Sep 11 '10 at 16:47
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What is the canonical way to check for errors using the CUDA runtime API?
...n return either errors which occurred during the kernel execution or those from the memory copy itself. This can be confusing for the beginner, and I would recommend using explicit synchronisation after a kernel launch during debugging to make it easier to understand where problems might be arising....
How can I get Visual Studio 2008 Windows Forms designer to render a Form that implements an abstract
...nd but after a friend pointed out that the Form class eventually inherited from an abstract class, we SHOULD be able to get this done. If they can do it, we can do it.
We went from this code to the problem
Form1 : Form
Problem
public class Form1 : BaseForm
...
public abstract class BaseForm : ...
An algorithm for inflating/deflating (offsetting, buffering) polygons
... your polygon you can end up with different connectivity for the output.
From computation point of view: once you have the straight skeleton one should be able to construct the offset polygons relatively easily. The open source and (free for non-commercial) CGAL library has a package implementing ...
Get the current year in JavaScript
... today's date and time
var currentTime = new Date()
// returns the month (from 0 to 11)
var month = currentTime.getMonth() + 1
// returns the day of the month (from 1 to 31)
var day = currentTime.getDate()
// returns the year (four digits)
var year = currentTime.getFullYear()
// write output MM/...
A dependent property in a ReferentialConstraint is mapped to a store-generated column
...y. I also had to fix the columns on the database (remove the Identity(1,1) from CREATE TABLE SQL)
After that, the problem went away.
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