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What do I have to do to get Core Data to automatically migrate models?
...re 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 *options = [NSDictionary dictionaryWithObjectsAndKeys:
[NSNumber numberWithBool:YES], NSMigratePersistentStoresAutomaticallyOption,
[...
Do threads have a distinct heap?
... a common heap.
Each thread has a private stack, which it can quickly add and remove items from. This makes stack based memory fast, but if you use too much stack memory, as occurs in infinite recursion, you will get a stack overflow.
Since all threads share the same heap, access to the allocat...
Android mock location on device?
...ou have to enable mock locations in the development panel in your settings and add
<uses-permission android:name="android.permission.ACCESS_MOCK_LOCATION" />
to your manifest.
Now you can go in your code and create your own mock location provider and set the location of this provider...
Add disabled attribute to input element using Javascript
I have an input box and I want it to be disabled and at the same time hide it to avoid problems when porting my form.
7 Ans...
How to put a line comment for a multi-line command [duplicate]
I know how to write a multi-line command in a Bash script, but how can I add a comment for each line in a multiline command?
...
'pip' is not recognized as an internal or external command
...ation to your PATH variable, you can use the Control Panel or the setx command. For example:
setx PATH "%PATH%;C:\Python34\Scripts"
Note:
According to the official documentation, "[v]ariables set with setx variables are available in future command windows only, not in the current command window...
How does git merge after cherry-pick work?
...
Short answer
Don't worry, Git will handle it.
Long answer
Unlike e.g. SVN1, Git does not store commits in delta format, but is snapshot-based2,3. While SVN would naively try to apply each merged commit as a patch (and fail, for the exact reason you described)...
https URL with token parameter : how secure is it?
...tect the query parameters in transit; however, email itself is not secure, and the email could bounce along any number of servers before getting to its destination.
Also depending on your web server the full URL might get logged in its log files. Depending on how sensitive the data is you might not...
How do I use installed packages in PyCharm?
...oject Settings → Project Interpreter.
Then press configure interpreter, and navigate to the "Paths" tab.
Press the + button in the Paths area. You can put the path to the module you'd like it to recognize.
But I don't know the path..
Open the python interpreter where you can import the mod...
How To Check If A Key in **kwargs Exists?
... but it seems **kwargs play by different rules... so why doesn't this work and how can I check to see if a key in **kwargs exists?
...