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Watermark / hint text / placeholder TextBox
...tbox in WPF:
<Window x:Class="WaterMarkTextBoxDemo.Window1"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="clr-namespace:WaterMarkTextBoxDemo"
Height="200" Width="400">
<Window.Resou...
What is data oriented design?
...imagine the same thing applies to databases (disk reads) and even the Web (HTTP requests). It's a useful way of doing systems programming, I think.
Note that it doesn't absolve you from thinking about algorithms and time complexity, it just focuses your attention at figuring out the most expensive ...
How does RegexOptions.Compiled work?
...
var simple = "^\\d+$";
var medium = @"^((to|from)\W)?(?<url>http://[\w\.:]+)/questions/(?<questionId>\d+)(/(\w|-)*)?(/(?<answerId>\d+))?";
var complex = @"^(([^<>()[\]\\.,;:\s@""]+"
+ @"(\.[^<>()[\]\\.,;:\s@""]+)*)|("".+""))@"
+ @"((\[[0-9]{1,3}...
what exactly is device pixel ratio?
...
Here is a tool that also tells you your current device's pixel density:
http://bjango.com/articles/min-device-pixel-ratio/
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What is the difference between Google App Engine and Google Compute Engine?
...es of code that execute in response to different events, which may include HTTP requests, changes in Cloud Storage, etc.
The biggest difference with App Engine is that functions are priced per 100 milliseconds, while App Engine's instances shut down only after 15 minutes of inactivity. Another adva...
What are Vertex Array Objects?
I am just starting to learn OpenGL today from this tutorial: http://openglbook.com/the-book/
I got to chapter 2, where I draw a triangle, and I understand everything except VAOs (is this acronym OK?). The tutorial has this code:
...
Using HTML5/Canvas/JavaScript to take in-browser screenshots
...wser supported).
For more information, have a look at the examples here:
http://hertzen.com/experiments/jsfeedback/
edit
The html2canvas script is now available separately here and some examples here.
edit 2
Another confirmation that Google uses a very similar method (in fact, based on the docum...
Better explanation of when to use Imports/Depends
...
Hadley Wickham gives an easy explanation (http://r-pkgs.had.co.nz/namespace.html):
Listing a package in either Depends or Imports ensures that it’s
installed when needed. The main difference is that where Imports just
loads the package, Depends attaches it....
Fast and responsive interactive charts/graphs: SVG, Canvas, other?
...Meteor Charts, which is built on top of the uber fast KineticJS framework: http://meteorcharts.com/
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How do I terminate a thread in C++11?
...ays has a valid native handle to use.
More explanations please refer to: http://bo-yang.github.io/2017/11/19/cpp-kill-detached-thread .
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