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Split string based on a regular expression
...limiter specified will split this by whitespace for you. This would be the best way in this case.
>>> str1.split()
['a', 'b', 'c', 'd']
If you really wanted regex you can use this ('\s' represents whitespace and it's clearer):
>>> re.split("\s+", str1)
['a', 'b', 'c', 'd']
or...
UICollectionView spacing margins
...same row (column if you're scrolling horizontally), and their sizes:
flow.itemSize = ...;
flow.minimumInteritemSpacing = ...;
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How do I set vertical space between list items?
...tion that works everywhere. Plus, if you really are worried about the last item margin, you wouldn't suggest a solution that would need js to fix. You could use :first-child and it would work in everything IE7+
– disinfor
Oct 8 '13 at 17:52
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HTML5 Canvas vs. SVG vs. div
What is the best approach for creating elements on the fly and being able to move them around? For example, let's say I want to create a rectangle, circle and polygon and then select those objects and move them around.
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Should I store entire objects, or pointers to objects in containers?
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Why not get the best of both worlds: do a container of smart pointers (such as boost::shared_ptr or std::shared_ptr). You don't have to manage the memory, and you don't have to deal with large copy operations.
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Styling every 3rd item of a list using CSS? [duplicate]
Is it possible for me to style every 3rd list item?
4 Answers
4
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How to implement Enums in Ruby?
What's the best way to implement the enum idiom in Ruby? I'm looking for something which I can use (almost) like the Java/C# enums.
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How to make an app's background image repeat
...urces>
<style name="app_theme" parent="android:Theme">
<item name="android:windowBackground">@drawable/app_background</item>
<item name="android:listViewStyle">@style/TransparentListView</item>
<item name="android:expandableListViewStyle">@style/...
Check if list contains element that contains a string and get that element
...eck.Contains(myString));
If you simply wish to return the first matching item:
var match = myList
.FirstOrDefault(stringToCheck => stringToCheck.Contains(myString));
if(match != null)
//Do stuff
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Ruby on Rails: How do I add a not null constraint to an existing column using a migration?
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Thanks for this. Best answer.
– Ryan Rebo
Mar 14 '17 at 17:30
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