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NSDate beginning of day and end of day

...o: noon)! let specificDate = Date("2020-01-01") extension Date { init(_ dateString:String) { let dateStringFormatter = DateFormatter() dateStringFormatter.dateFormat = "yyyy-MM-dd" dateStringFormatter.locale = NSLocale(localeIdentifier: "en_US_POSIX") as Locale l...
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Formatting “yesterday's” date in python

... all answers are correct, but I want to mention that time delta accepts negative arguments. >>> from datetime import date, timedelta >>> yesterday = date.today() + timedelta(days=-1) >>> print(y...
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Difference between thread's context class loader and normal classloader

... Indeed, not all classloaders have a classpath. When wrote "ClassB needs to be on the classpath of the classloader of ClassA", I meant "ClassB needs to loadable by the classloader of ClassA". 90% of the time they mean the same. But if ...
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How to turn off word wrapping in HTML?

...wrap, word-break, and hyphens. So you can have either: word-break: break-all; word-wrap: break-word; overflow-wrap: break-word; -webkit-hyphens: auto; -moz-hyphens: auto; -ms-hyphens: auto; hyphens: auto; So the solution is remove them, or override them with "unset" or "normal": word-break: uns...
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Why does “,,,” == Array(4) in Javascript?

...ts in JavaScript) and if you follow the ToPrimitive method you will eventually find that it it calls toString. share | improve this answer | follow | ...
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How to calculate time in hours between two dates in iOS

...ate: (NSDate *) dateT { NSMutableString *timeLeft = [[NSMutableString alloc]init]; NSDate *today10am =[NSDate date]; NSInteger seconds = [today10am timeIntervalSinceDate:dateT]; NSInteger days = (int) (floor(seconds / (3600 * 24))); if(days) seconds -= days * 3600 * 24; ...
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What is the difference between server side cookie and client side cookie?

...rence between creating cookies on the server and on the client? Are these called server side cookies and client side cookies? Is there a way to create cookies that can only be read on the server or on the client? ...
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What are the differences between segment trees, interval trees, binary indexed trees and range trees

... All these data structures are used for solving different problems: Segment tree stores intervals, and optimized for "which of these intervals contains a given point" queries. Interval tree stores intervals as well, but opti...
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How do DATETIME values work in SQLite?

... Important to note -- all the methods of storing dates use formats that can be compared using the standard =, <, > and BETWEEN operators. – Larry Lustig Dec 9 '15 at 18:19 ...
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Using str_replace so that it only acts on the first match?

... There's no version of it, but the solution isn't hacky at all. $pos = strpos($haystack, $needle); if ($pos !== false) { $newstring = substr_replace($haystack, $replace, $pos, strlen($needle)); } Pretty easy, and saves the performance penalty of regular expressions. Bonus: If...