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Best way to implement Enums with Core Data
... return primitiveAccountType.flatMap { AccountType(rawValue: $0) } ?? .New }
set {
willChangeValueForKey(Field.Account.rawValue)
defer { didChangeValueForKey(Field.Account.rawValue) }
primitiveAccountType = newValue.rawValue }}
@NSManaged private var primitiveAccountT...
How to determine if Javascript array contains an object with an attribute that equals a given value?
...ith filter, it will check each item till the end of the array and create a new array items which match the condition, then check the length
– adiga
May 14 '19 at 14:03
...
Runnable with a parameter?
... and this would be suggested:
void foo(final String str) {
Thread t = new Thread(() -> someFunc(str));
t.start();
}
As before, details like handling that thread in a meaningful way is left as an exercise to the reader. But to put it bluntly, if you're afraid of using lambdas, you shoul...
Return array in a function
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@Potatoswatter I am new to cpp, Can you explain the 2nd code snippet in detail? I am not able to break it into parts for the sake of understanding.
– KPMG
Jan 3 '19 at 18:19
...
Slowing speed of Viewpager controller in android
...r");
mScroller.setAccessible(true);
FixedSpeedScroller scroller = new FixedSpeedScroller(mPager.getContext(), sInterpolator);
// scroller.setFixedDuration(5000);
mScroller.set(mPager, scroller);
} catch (NoSuchFieldException e) {
} catch (IllegalArgumentException e) {
} catch (Illeg...
Making the Android emulator run faster
...nstall this one
P.S. during AVD creation add emulation memory: Hardware/New/Device ram size/set up value 512 or more
Linux:
Install KVM: open GOOGLE, write "kvm installation "
Create AVD with "Intel atom x86" CPU/ABI
Run from command line: emulator -avd avd_name -qemu -m 512 -enable-kvm
Or run...
How to copy text from Emacs to another application on Linux
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Chris ConwayChris Conway
51.2k3737 gold badges119119 silver badges146146 bronze badges
...
pandas GroupBy columns with NaN (missing) values
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The new solution is better but still not safe, in my opinion. Consider a case where one of the entries in column 'b' is same as stringified np.NaN. Then those things are clubbed together. df = pd.DataFrame({'a': [1, 2, 3, 5, 6],...
“Items collection must be empty before using ItemsSource.”
...
Zack Peterson
51.9k7676 gold badges200200 silver badges278278 bronze badges
answered Mar 25 '09 at 23:33
DaveDave
...
Invalidating JSON Web Tokens
For a new node.js project I'm working on, I'm thinking about switching over from a cookie based session approach (by this, I mean, storing an id to a key-value store containing user sessions in a user's browser) to a token-based session approach (no key-value store) using JSON Web Tokens (jwt).
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