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What do I have to do to get Core Data to automatically migrate models?
...hBool:YES], NSInferMappingModelAutomaticallyOption, nil];
NSError *error;
_persistentStoreCoordinator = [[NSPersistentStoreCoordinator alloc] initWithManagedObjectModel: [self managedObjectModel]];
if (![_persistentStoreCoordinator addPersistentStoreWithType:NSSQLiteStoreType configuration:nil URL...
SLF4J: Class path contains multiple SLF4J bindings
... answered Jul 14 '16 at 20:53
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Fastest way to duplicate an array in JavaScript - slice vs. 'for' loop
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if converted with babel: [].concat(_slice.call(arguments))
– CHAN
Jul 27 '15 at 8:08
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How to remove specific value from array using jQuery
...hings simple.
In your case all the code that you will have to write is -
_.without([1,2,3], 2);
and the result will be [1,3].
It reduces the code that you write.
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Single quotes vs. double quotes in C or C++
..., that is sizeof 'a' is 4 in an architecture where ints are 32bit (and CHAR_BIT is 8), while sizeof(char) is 1 everywhere.
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Handle ModelState Validation in ASP.NET Web API
...ile
services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Version_2_2).ConfigureApiBehaviorOptions(options =>
{
options.InvalidModelStateResponseFactory = (context) =>
{
var errors = context.ModelState.Values.SelectMany(...
How do I restore a dump file from mysqldump?
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It should be as simple as running this:
mysql -u <user> -p < db_backup.dump
If the dump is of a single database you may have to add a line at the top of the file:
USE <database-name-here>;
If it was a dump of many databases, the use statements are already in there.
To run the...
Generate a random alphanumeric string in Cocoa
... [randomString appendFormat: @"%C", [letters characterAtIndex: arc4random_uniform([letters length])]];
}
return randomString;
}
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Cannot download Docker images behind a proxy
...led /etc/systemd/system/docker.service.d/http-proxy.conf that adds the HTTP_PROXY environment variable:
[Service]
Environment="HTTP_PROXY=http://proxy.example.com:80/"
If you have internal Docker registries that you need to contact without proxying you can specify them via the NO_PROXY environmen...
How to get nice formatting in the Rails console
...ease of Ruby 2.0.0.
For rails 4/ruby 2 you could use just
puts object.to_yaml
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