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How should one use std::optional?
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175
The simplest example I can think of:
std::optional<int> try_parse_int(std::string s)
{
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Differences between Java 8 Date Time API (java.time) and Joda-Time
...ll due to excessive use of ints).
Performance
See the other answer by @OO7 pointing to the analysis of Mikhail Vorontsov although point 3 (exception catching) is probably obsolete - see this JDK-bug. The different performance (which is in general favour of JSR-310) is mainly due to the fact that t...
Get Folder Size from Windows Command Line
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17 Answers
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How can I split up a Git commit buried in history?
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edited May 23 '17 at 11:47
Community♦
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answered Nov 29 '10 at 19:14
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What's the difference between nohup and ampersand
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7 Answers
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Swipe to Delete and the “More” button (like in Mail app on iOS 7)
...a "more" button when user swipe a cell in table view (like mail app in ios 7)
20 Answers
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Autoresizing issue of UICollectionViewCell contentView's frame in Storyboard prototype cell (Xcode 6
I'm using Xcode 6 Beta 3, iOS 8 SDK. Build Target iOS 7.0 using Swift. Please refer to my problem step by step with screenshots below.
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How can I generate an MD5 hash?
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MultiplyByZer0
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answered Jan 6 '09 at 9:47
BombeBombe
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postgres: upgrade a user to be a superuser?
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7 Answers
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How to discard local commits in Git?
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LondonRob
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answered Oct 7 '10 at 14:30
mipadimipadi
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