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How do I make an HTML text box show a hint when empty?
...y text box. If there is already text in it, it should display the text normally (black, non-italics). This will help me avoid clutter by removing the label.
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throwing an exception in objective-c/cocoa
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I generally prefer this too, but there is one gotcha. Might just be my current version of Xcode, but the [NSException raise...] syntax doesn't seem to be recognized by the parser as an exit path from a method which returns a value...
How to handle back button in activity
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In addition to the above I personally recommend
onKeyUp():
Programatically Speaking keydown will fire when the user depresses a key initially but It will repeat while the user keeps the key depressed.*
This remains true for all development platforms.
G...
Rails: Get Client IP address
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request.remote_ip is an interpretation of all the available IP address information and it will make a best-guess. If you access the variables directly you assume responsibility for testing them in the correct precedence order. Proxies introduce a number of headers th...
Is there a shortcut to move between header and source file in VC++?
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Visual Assist is a great tool - I'd recommend it for all developers using MSVC
– Stephen Nutt
Apr 9 '10 at 0:56
10
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How can I add the new “Floating Action Button” between two widgets/layouts
...out_height or margin values, which could vary in time or be defined dynamically. Hugh's answer could work in some simple cases, and perhaps could be a workaround for some third-party libraries that don't fully support CoordinatorLayout and layout_anchor and layout_anchorGravity features, like the on...
Hudson vs Jenkins in 2012 [closed]
...e more assured about the stability and support of the software they're installing.
Every three months or so, a previous release is selected which has been deemed as working well by the community of Jenkins users. This version is then branched, any important fixes (which have been "battle-tested") ...
How to debug Spring Boot application with Eclipse?
... to get this working, I used Maven.
Ensure you have the Maven plugin installed into Eclipse.
Click Run > Run Configurations > Maven Build > new launch configuration:
Base directory: browse to the root of your project
Goals: spring-boot::run.
Click Apply then click Run.
NB. If your ID...
Designer Added then removed by Visual Studio on load/unload
...ed in StoredImageControl.cs . Anyone know how to shut this off as it is really messing up my revision control.
6 Answers...
Docker can't connect to docker daemon
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Linux
The Post-installation steps for Linux documentation reveals the following steps:
Create the docker group.
sudo groupadd docker
Add the user to the docker group.
sudo usermod -aG docker $(whoami)
Log out and log back in to ensure docker ...