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Does Swift support reflection?
... Swift support reflection? e.g. is there something like valueForKeyPath: and setValue:forKeyPath: for Swift objects?
6...
MongoDB inserts float when trying to insert integer
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If the value type is already double, then update the value with $set command can not change the value type double to int when using NumberInt() or NumberLong() function.
So, to Change the value type, it must update the whole record.
var re = db.data.find({"name": "zero"})
re['value']=NumberInt(0)...
what is reverse() in Django
...e sure what this is but it is used together with HttpResponseRedirect. How and when is this reverse() supposed to be used?
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How to sort the letters in a string alphabetically in Python
...space complexity, the idea is to work with the iterable itself, instaed of converting it to a data structure. Nice. Thank You.
– Mono
Sep 4 '18 at 12:15
add a comment
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Remove all elements contained in another array
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@AlecRust Convert all elements of toRemove() to upper case and change in the callback from el to el.toUpperCase().
– Sirko
Jun 17 '17 at 17:25
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Split an NSString to access one particular piece
...0]
Although note that it gives you an array of Substring. If you need to convert these back to ordinary strings, use map
let strings = "10/04/2011".split(separator: "/").map{ String($0) }
let firstBit = strings[0]
or
let firstBit = String(substrings[0])
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How to concatenate two numbers in javascript?
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You can also use toString function to convert it to string and concatenate.
var a = 5;
var b = 6;
var value = a.toString() + b.toString();
Disable Laravel's Eloquent timestamps
I'm in the process of converting one of our web applications from CodeIgniter to Laravel. However at this moment we don't want to add the updated_at / created_at fields to all of our tables as we have a logging class that does all this in more depth for us already.
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Best introduction to C++ template metaprogramming? [closed]
...Mapping Integral Constants to Types", 2.6 "Type Selection", 2.7 "Detecting Convertibility and Inheritance at Compile Time", 2.9 "NullType and EmptyType" and 2.10 "Type Traits".
The best intermediate/advanced resource I've found is C++ Template Metaprogramming by David Abrahams and Aleksey Gurtovoy,...
How to change ProgressBar's progress indicator color in Android
.... This is from the layout that has the progress bar:
<ProgressBar
android:id="@+id/ProgressBar"
style="?android:attr/progressBarStyleHorizontal"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:indeterminate="false"
android:maxHeight="10dip...