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Determine if ActiveRecord Object is New
How can I check if an ActiveRecord object is new or is already persisted?
2 Answers
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iPhone App Minus App Store?
...rometerGraph.app root@jasoniphone:/Applications/
Let SpringBoard know the new application has been installed:
ssh mobile@jasoniphone.local uicache
This only has to be done when you add or remove applications. Updated applications just need to be relaunched.
To make life easier for yourself ...
How to bind RadioButtons to an enum?
...wice - once when unsetting the old radio button value and again to set the new one. I was hanging other things off the property setter so I only wanted it called once. -- if (parameterString == null || value.Equals(false)) return DependencyProperty.UnsetValue;
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Why should I care about lightweight vs. annotated tags?
...s are those tags meant to be published for other developers, most probably new versions (which should also be signed). Not only to see who tagged and when it was tagged, but also why (usually a changelog).
Lightweight are more appropriate for private use, that means tagging special commits to be abl...
Editing the git commit message in GitHub
...ed a work based on that commit, he would have to rebase his work onto your new commit.
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What's the right way to decode a string that has special HTML entities in it? [duplicate]
...t/k65s3/
Input:
Entity:&nbsp;Bad attempt at XSS:<script>alert('new\nline?')</script><br>
Output:
Entity: Bad attempt at XSS:<script>alert('new\nline?')</script><br>
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Removing All Child Views from View
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f8020997%2fremoving-all-child-views-from-view%23new-answer', 'question_page');
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How do you fix a bad merge, and replay your good commits onto a fixed merge?
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I did this but a new commit was reapplied on top of the amended one, with the same message. Apparently git did a 3 way merge between the old, unamended commit containing the unwanted file, and the fixed commit from the other branch, and so it...
What is the pythonic way to avoid default parameters that are empty lists?
...t solutions as asked for. However, since this is a very common pitfall for new Python programmers, it worth to add the explanation why python behaves this way, which is nicely summarized in "the Hitchhikers Guide to Python" as "Mutable Default Arguments":
http://docs.python-guide.org/en/latest/writi...
Why does ASP.NET webforms need the Runat=“Server” attribute?
...T even was. Was it a server? a programming platform? a language? something new entirely? Given the ads, it was ambiguously anything you wanted it to be - it just solved any problem you might have.
So, my guess is there was a hidden grand vision that ASP.NET code could run anywhere - server side OR ...
