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Ask for User Permission to Receive UILocalNotifications in iOS 8
...to ask user's permission to show notifications from your app, this applies for both remote/push and local notifications. In Swift you can do it like this,
Update for Swift 2.0
func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: NSDictionary?) -> Bool {
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VIM Disable Automatic Newline At End Of File
... some way to disable this feature. (It wouldbe best if I could disable it for specific file extensions).
13 Answers
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Python: finding an element in a list [duplicate]
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The best way is probably to use the list method .index.
For the objects in the list, you can do something like:
def __eq__(self, other):
return self.Value == other.Value
with any special processing you need.
You can also use a for/in statement with enumerate(arr)
Example ...
Impossible to Install PG gem on my mac with Mavericks
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worked for me after trying to many different things. i just had to make sure to use the correct version number (9.3.5_1 in my case)!
– H K
Oct 26 '14 at 17:33
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onCreateOptionsMenu inside Fragments
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onCreateOptionsMenu() for fragments has different arguments than for Activities.
– Jorge
Dec 23 '13 at 13:34
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What is dynamic programming? [closed]
...a future problem easier.
A good example is solving the Fibonacci sequence for n=1,000,002.
This will be a very long process, but what if I give you the results for n=1,000,000 and n=1,000,001? Suddenly the problem just became more manageable.
Dynamic programming is used a lot in string problems, ...
django unit tests without a db
....DjangoTestSuiteRunner were moved to 'django.test.runner.DiscoverRunner'.
For more info check official doc section about custom test runners.
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What are the differences between NP, NP-Complete and NP-Hard?
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I assume that you are looking for intuitive definitions, since the technical definitions require quite some time to understand. First of all, let's remember a preliminary needed concept to understand those definitions.
Decision problem: A problem with a...
Insert into … values ( SELECT … FROM … )
...ble using the input from another table. Although this is entirely feasible for many database engines, I always seem to struggle to remember the correct syntax for the SQL engine of the day ( MySQL , Oracle , SQL Server , Informix , and DB2 ).
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Read a zipped file as a pandas DataFrame
...particular implementation.
df = pd.read_csv('filename.zip')
Or the long form:
df = pd.read_csv('filename.zip', compression='zip', header=0, sep=',', quotechar='"')
Description of the compression argument from the docs:
compression : {‘infer’, ‘gzip’, ‘bz2’, ‘zip’, ‘xz...
