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AngularJS and its use of Dollar Variables
...="n = { visible: 'foo', $ignore: 'bar' };">{{ n }}</div>
Additionally when adding an explicit watcher on a scope object, changes to properties with a leading dollar sign of this object will not trigger the watcher. See this updated fiddle.
angular.equals() ignores keys prefixed with $.
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Create PostgreSQL ROLE (user) if it doesn't exist
...e an SQL script to create a ROLE in PostgreSQL 9.1, but without raising an error if it already exists?
10 Answers
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How do I delete an Azure storage account containing a leased blob?
...ds:
azure storage account delete <my-account>
This fails, and the error message contains the name of culprit, e.g.:
error: Storage account <my-account> has some active image(s) and/or disk(s), e.g. <my-image>. Ensure these image(s) and/or disk(s) are removed before deleting t...
How do you update Xcode on OSX to the latest version?
... Just want to also note that this will only show as an update if you installed your version directly from the App Store. However, if you installed it from elsewhere, you will need to re-download the entire new version of Xcode.
– CodeBiker
Aug 3 '13 at 20:39
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Is it possible to use “/” in a filename?
...hould ever be done, but is there a way to use the slash character that normally separates directories within a filename in Linux?
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Chrome, Javascript, window.open in new tab
...or those wondering, running this code snippet doesn't work because of this error: VM646 js:12 Blocked opening 'http://www.stackoverflow.com/' in a new window because the request was made in a sandboxed frame whose 'allow-popups' permission is not set.
– Benjamin Crouzier
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Throw HttpResponseException or return Request.CreateErrorResponse?
...Web API I am a bit confused as to when to throw an exception vs return an error response. I am also left wondering whether it is possible to modify the response when your method returns a domain specific model instead of HttpResponseMessage ...
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Open Redis port for remote connections
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Did you set the bind option to allow remote access on the redis server?
Before (file /etc/redis/redis.conf)
bind 127.0.0.1
After
bind 0.0.0.0
and run sudo service redis-server restart to restart the server. If that's not the problem, you might want ...
What is the volatile keyword useful for?
...hronized keyword with a variable is illegal and will result in compilation error. Instead of using the synchronized variable in Java, you can use the java volatile variable, which will instruct JVM threads to read the value of volatile variable from main memory and don’t cache it locally.
If a var...
How to diff one file to an arbitrary version in Git?
... directories if you are using a revision specifier or git will give you an error about the file/directory not existing in that revision.
– Dylan Nissley
Nov 21 '14 at 13:38
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