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Best way to implement Enums with Core Data
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You'll have to create custom accessors if you want to restrict the values to an enum. So, first you'd declare an enum, like so:
typedef enum {
kPaymentFrequencyOneOff = 0,
kPaymentFrequencyYearly = 1,
kPaymentFrequencyMonthly = 2,
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Multi-line EditText with Done action button
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Working Example!
Create the below custom EditText class that supports this feature and use the class in the xml file. Working code:
package com.example;
import android.content.Context;
import android.util.AttributeSet;
import android.view.inputmethod.Editor...
Named placeholders in string formatting
... not found, however, if you use the default syntax (${arg}) instead of the custom one above (%(arg)) then the regex will not compile, which is the desired effect.
– John Lehmann
Jun 30 '15 at 15:33
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Django: ImproperlyConfigured: The SECRET_KEY setting must not be empty
...tions, replacing the properly documented DJANGO_SETTINGS_MODULE with a new custom environment variable that is not supported out of the box and has to be dealt with manually. I am surprised this has so many upvotes. I'm working on a project with this setup and we're running into a lot of problems, f...
How can I assign an ID to a view programmatically?
...he id via XML to ensure it remains unique:
Here, values/ids.xml defines a custom id:
<?xml version="1.0" encoding="utf-8"?>
<resources>
<item name="reservedNamedId" type="id"/>
</resources>
Then once the ViewGroup or View has been created, you can attach the custom id...
Difference between __str__ and __repr__?
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My rule of thumb: __repr__ is for developers, __str__ is for customers.
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iOS 7 status bar back to iOS 6 default style in iPhone app?
...our application. There is no way to prevent this behavior.
If you supply a custom navigation bar background image that is only 44 points (88 pixels) tall, and the UINavigationController’s view’s bounds matches the UIWindow’s bounds (as discussed in #4), the UINavigationController will draw you...
Uninstall Node.JS using Linux command line?
...ow about is npm and what it has installed. If you install npm again into a custom path that starts off empty, then you can see what it adds and then you will be able to make a list for npm similar to the above list I made for node.
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List all indexes on ElasticSearch server?
... index pri rep docs.count docs.deleted store.size pri.store.size
yellow customer 5 1 0 0 495b 495b
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Strtotime() doesn't work with dd/mm/YYYY format
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You can parse dates from a custom format (as of PHP 5.3) with DateTime::createFromFormat
$timestamp = DateTime::createFromFormat('!d/m/Y', '23/05/2010')->getTimestamp();
(Aside: The ! is used to reset non-specified values to the Unix timestamp, i...