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Cell spacing in UICollectionView
...in case anyone still needs correct answer here what you need:
Override standard flow layout.
Add implementation like that:
- (NSArray *) layoutAttributesForElementsInRect:(CGRect)rect {
NSArray *answer = [super layoutAttributesForElementsInRect:rect];
for(int i = 1; i < [answer count]...
What is the purpose of the reader monad?
The reader monad is so complex and seems to be useless. In an imperative language like Java or C++, there is no equivalent concept for the reader monad, if I am not mistaken.
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A migration to add unique constraint to a combination of columns
...mns. i.e. for a people table, a combination of first_name , last_Name and Dob should be unique.
6 Answers
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Is REST DELETE really idempotent?
...quests is the same as for a single
request. The methods GET, HEAD, PUT
and DELETE share this property. Also,
the methods OPTIONS and TRACE SHOULD
NOT have side effects, and so are
inherently idempotent. "
The key bit there is the side-effects of N > 0 identical requests is the same a...
How to make an HTML back link?
...
And another way:
<a href="javascript:history.back()">Go Back</a>
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Count lines of code in all java classes in Android Studio
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Go to
https://plugins.jetbrains.com/idea/plugin/4509-statistic
and install the latest version
To install
Run Android Studio
From the menu bar, select File-->Settings
Under IDE Settings, click Plugins, and then click Install plugin from disk
Navigate to the folder where you download...
printf with std::string?
My understanding is that string is a member of the std namespace, so why does the following occur?
7 Answers
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Is there a simple way to remove multiple spaces in a string?
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This solution only handles single space characters. It wouldn't replace a tab or other whitespace characters handled by \s like in nsr81's solution.
– Taylor Leese
Oct 9 '09 at 22:21
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Remove CSS “top” and “left” attributes with jQuery
...a draggable map that when the map is dragged the element is given a 'left' and 'top' attribute with values for each as so...
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Hover and Active only when not disabled
I use hover , active and disabled to style Buttons.
7 Answers
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