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What are best practices for validating email addresses on iOS 2.0
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Great but doesn't work on OS <3.0, because NSPredicate is not available.
– Felixyz
Oct 13 '09 at 12:58
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Accessing members of items in a JSONArray with Java
...map by specifying the key, then why do we have to iterate with a for loop? Doesn't iteration with the loop make the id get assigned to int id multiple times?
– Nav
Jun 28 '16 at 10:04
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How can I make a Python script standalone executable to run without ANY dependency?
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Does this create a standalone executable?
– voices
Jan 29 '19 at 10:44
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What's the 'environment' task in Rake?
... won't have access to any of those extras.
Also => :environment itself does not make available any environment-related variables, e.g. environment, @environment, RAILS_ENV, etc.
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The model used to open the store is incompatible with the one used to create the store
...the data base and go ahead - you need to perform migration!
For those who doesn't want to dig into documentation and is searching for a quick fix:
Open your .xcdatamodeld file
click on Editor
select Add model version...
Add a new version of your model (the new group of datamodels added)
select th...
How do you disable the unused variable warnings coming out of gcc in 3rd party code I do not wish to
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The -Wno-unused-variable switch usually does the trick. However, that is a very useful warning indeed if you care about these things in your project. It becomes annoying when GCC starts to warn you about things not in your code though.
I would recommend you keepin...
Rails 4: how to use $(document).ready() with turbo-links
...h the assets pipeline. However, I just learned that jQuery's "ready" event doesn't fire on subsequent clicks when turbo-linking is turned on. The first time you load a page it works. But when you click a link, anything inside the ready( function($) { won't get executed (because the page doesn't ac...
When to use an assertion and when to use an exception
...le it is and the more information it embeds. When debugging a program that does not behave the right way, you will surely check the more obvious failure possibilities based on your experience. Then you will check for problems that just cannot happen: this is exactly when assertions help a lot and sa...
Microsoft.WebApplication.targets was not found, on the build server. What's your solution?
...t to be a valid Web Application Project (that's the trick that VS 2010 SP1 does itself).
Don't forget to copy the C:\Program Files (x86)\Microsoft\VisualStudio\v10.0\WebApplications to BuildTargets folder under your source control.
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Ruby, remove last N characters from a string?
...0.000714 0.650756 ( 0.651332)
I hope this is useful - note the method doesn't currently accept a regex so if you don't know the suffix it's not viable for the time being. However, as the accepted answer (update: at the time of writing) dictates the same, I thought this might be useful to some p...