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How to show current year in view?

... <%= Time.current.year %> http://pleac.sourceforge.net/pleac_ruby/datesandtimes.html share | improve this answer | follow ...
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What's the difference between fill_parent and wrap_content?

...t;?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent"> <TextView andro...
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How do I make an HTML text box show a hint when empty?

... That is known as a textbox watermark, and it is done via JavaScript. http://naspinski.net/post/Text-Input-Watermarks-using-Javascript-(IE-Compatible).aspx or if you use jQuery, a much better approach: http://digitalbush.com/projects/watermark-input-plugin/ or code.google.com/p/jquery-water...
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Drawing an SVG file on a HTML5 canvas

...ge(); img.onload = function() { ctx.drawImage(img, 0, 0); } img.src = "http://upload.wikimedia.org/wikipedia/commons/d/d2/Svg_example_square.svg"; Live example here. You should see a green square in the canvas. The second green square on the page is the same <svg> element inserted into th...
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What is a dependency property?

... The only explanation I found helpful and well written is this one: http://www.wpftutorial.net/dependencyproperties.html Basically, DependencyProperties differ from regular properties in that they're not just setters / getters for fields in the class, but they retrieve their actual values dy...
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Binding a WPF ComboBox to a custom list

...XAML content: <Window x:Class="WpfApplication6.Window1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="Window1" Height="300" Width="300"> <Grid> <StackPanel> <Bu...
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How to take screenshot with Selenium WebDriver

...g example is in Java: WebDriver driver = new FirefoxDriver(); driver.get("http://www.google.com/"); File scrFile = ((TakesScreenshot)driver).getScreenshotAs(OutputType.FILE); // Now you can do whatever you need to do with it, for example copy somewhere FileUtils.copyFile(scrFile, new File("c:\\tmp\...
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Capture Video of Android's Screen

...e.mp4 Screen recording is limited to a maximum of 3 minutes. Reference: https://developer.android.com/studio/command-line/adb.html#screenrecord share | improve this answer | ...
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bundle install fails with SSL certificate verification error

...the top of the Gemfile in your rails application directory change source 'https://rubygems.org' to source 'http://rubygems.org' note that the second version is http instead of https share | impr...
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PostgreSQL delete all content

...WHERE clause is absent, the effect is to delete all rows in the table. http://www.postgresql.org/docs/9.3/static/sql-delete.html TRUNCATE is a PostgreSQL extension that provides a faster mechanism to remove all rows from a table. TRUNCATE quickly removes all rows from a set of tables. I...