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What is the Swift equivalent of isEqualToString in Objective-C?
... operator because String in swift is of type struct not class. If you type cast your text/string as NSString you can compare using === operator.
– sanjana
Jun 14 '15 at 1:05
3
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Remove all the elements that occur in one list from another
...[2,3,5,8])
# v `filter` returns the a iterator object. Here I'm type-casting
# v it to `list` in order to display the resultant value
>>> list(filter(lambda x: x not in l2, l1))
[1, 6]
Performance Comparison
Here I am comparing the performance of all the answers mentioned her...
hasNext in Python iterators?
...ss of the Python community is staggering.
– Jonathan Cast
Aug 21 '17 at 13:48
nice answer, I'm copying this for ilustr...
What does LINQ return when the results are empty
...nto another query. This caused the second query to throw no matter what I cast it to because there was no value being fed into the second query.
– trevorc
Nov 30 '11 at 21:11
...
How do I seed a random class to avoid getting duplicate random values [duplicate]
...blic Random()
: this(Environment.TickCount) {
}
This avoids having to cast DateTime.UtcNow.Ticks from a long, which is risky anyway as it doesn't represent ticks since system start, but "the number of 100-nanosecond intervals that have elapsed since 12:00:00 midnight, January 1, 0001 (0:00:00 U...
Good tutorial for using HTML5 History API (Pushstate?) [closed]
...
Here is a great screen-cast on the topic by Ryan Bates of railscasts. At the end he simply disables the ajax functionality if the history.pushState method is not available:
http://railscasts.com/episodes/246-ajax-history-state
...
How to print to console when using Qt
...move_reference<C>::type>::type& no_const(C* c) { return const_cast<typename std::remove_const<typename std::remove_reference<C>::type>::type&>(*c); } Use: no_const(this).method(). You could inject that function as a method into the class, and then you wouldn't even...
getActivity() returns null in Fragment function
...ity is a context so if you can simply check the context is an Activity and cast it if necessary.
@Override
public void onAttach(Context context) {
super.onAttach(context);
Activity a;
if (context instanceof Activity){
a=(Activity) context;
}
}
...
How to avoid the “divide by zero” error in SQL?
...of the first argument. This altered example works fine: SELECT 1 / NULLIF(CAST(NULL AS INT), 0). In real life, you are going to supply a table column to NULLIF() rather than a NULL constant. Since table columns have known datatypes, this also works fine: SELECT 1 / NULLIF(SomeNullableColumn, 0) F...
Pandas convert dataframe to array of tuples
...
This can cast values to a different type though, right?
– AMC
Jan 7 at 17:58
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