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What do I have to do to get Core Data to automatically migrate models?
...
I've now found out that this is quite simple - once you know where to look.
In my AppDelegate I set-up the NSPersistentStoreCoordinator - and you need to add some options to this to tell it to handle auto-migrate:
NSDictionary *...
Understanding dict.copy() - shallow or deep?
...mple:
original = dict(a=1, b=2, c=dict(d=4, e=5))
new = original.copy()
Now let's change a value in the 'shallow' (first) level:
new['a'] = 10
# new = {'a': 10, 'b': 2, 'c': {'d': 4, 'e': 5}}
# original = {'a': 1, 'b': 2, 'c': {'d': 4, 'e': 5}}
# no change in original, since ['a'] is an immutabl...
Authentication issue when debugging in VS2013 - iis express
... they have added that as an 'enhancement'. That is what web.config is for. Now we can't trust what we see in web.config. Brilliant.
– trucker_jim
Feb 28 '14 at 12:04
4
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What is the best way to do GUIs in Clojure?
...gest Seesaw.
Here's a REPL-based tutorial that assumes no Java or Swing knowledge.
Seesaw's a lot like what @tomjen suggests. Here's "Hello, World":
(use 'seesaw.core)
(-> (frame :title "Hello"
:content "Hello, Seesaw"
:on-close :exit)
pack!
show!)
and here's @Abhijith ...
How to get nice formatting in the Rails console
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Its now YAML::ENGINE.yamler = 'psych'
– jumpa
Dec 5 '13 at 5:53
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Find object by id in an array of JavaScript objects
...urn e.id == id; });
The result is an array with the items found. If you know that the object is always there and that it only occurs once, you can just use result[0].foo to get the value. Otherwise you should check the length of the resulting array. Example:
if (result.length === 0) {
// no res...
Using an SSH keyfile with Fabric
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Another cool feature available as of Fabric 1.4 - Fabric now supports SSH configs.
If you already have all the SSH connection parameters in your ~/.ssh/config file, Fabric will natively support it, all you need to do is add:
env.use_ssh_config = True
at the beginning of your fa...
How can I get a web site's favicon?
...s/files from the same place. Getting the default icons from my system for known file types isn't terribly complicated, but I don't know how to get the favicon from a website. (SO has the grey->orange stack icon in the address bar for instance)
...
All Ruby tests raising: undefined method `authenticate' for nil:NilClass
...er! function is part of Rails 3 (using the new devise feature, of which I know little about). If the app can't find the User model (either because of namespace issues or whatever reason) then the method will fail. The "enki" application you linked to is now a Rails 3 application. It could be expe...
How do I allow HTTPS for Apache on localhost?
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(Screenshots courtesy of Neil Obremski and his helpful article - although now quite out-of-date.)
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