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How to define @Value as optional
... limited to plain strings as default values. You can use SPEL expressions, and a simple SPEL expression to return null is:
@Value("${myValue:#{null}}")
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google chrome extension :: console.log() from background page?
...orresponds to your extensions open Settings / Extensions or open a new tab and enter chrome://extensions. You will see something like this screenshot.
Under your extension click on the link background page. This opens a new window.
For the context menu sample the window has the title: _generate...
Installing Google Protocol Buffers on mac
...sion of Google Protocol Buffers (protobuf-2.4.1) on mac using Terminal command line. I tried with brew install protobuf , but the latest version 2.5.0 has been installed. Is it possible to install the older version from terminal.
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Automatic popping up keyboard on start Activity
.... When I open the activity it automatically focusses to the first EditText and displays the virtual keyboard.
19 Answers
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Timeout command on Mac OS X?
Is there an alternative for the timeout command on Mac OSx. The basic requirement is I am able to run a command for a specified amount of time.
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UITableView didSelectRowAtIndexPath: not being called on first tap
...issue:
first tap in row -> no effect, no selection, never
second tap and following -> correct selection behavior, always
In my case, my error was checking Show Selection on Touch in Interface Builder. You can uncheck it in IB here:
Hope that helps someone
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How to convert an OrderedDict into a regular dict in python3
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Thanks, and also for the advice using pickle. I would use pickle and I actually do it in other places, but some constraints demand using a dict converted to string.
– Ben A.
Nov 23 '13 at 20:00
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Using Rails 3.1 assets pipeline to conditionally use certain css
...site render the various CSS files conditionally. I’m using Blueprint CSS and I’m trying to have sprockets/rails render screen.css most of the time, print.css only when printing, and ie.css only when the site is accessed from Internet Explorer.
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How to print color in console using System.out.println?
...or in console? I want to show data in colors when the processor sends data and in different colors when it receives data.
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Best way of returning a random boolean value
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A declarative snippet using Array#sample:
random_boolean = [true, false].sample
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