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Java Timestamp - How can I create a Timestamp with the date 23/09/2007?
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By Timestamp, I presume you mean java.sql.Timestamp. You will notice that this class has a constructor that accepts a long argument. You can parse this using the DateFormat class:
DateFormat dateFormat = new SimpleDateFormat...
Is there a valid reason for enforcing a maximum width of 80 characters in a code file, this day and
...ode into email, web pages, and books.
To view multiple source windows side-by-side or using a side-by-side diff viewer.
To improve readability. Narrow code can be read quickly without having to scan your eyes from side to side.
I think the last point is the most important. Though displays have gro...
How to get a resource id with a known resource name?
I want to access a resource like a String or a Drawable by its name and not its int id.
10 Answers
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rsync: difference between --size-only and --ignore-times
... stamp, even though they weren't really modified yesterday, and rsync will by default end up copying all those files, and updating the timestamp to yesterday too. --size-only may be your friend in this case (modulo the example above).
--ignore-times says to compare the files regardless of whether t...
Understanding the main method of python [duplicate]
...__name__ line is being executed, evaluated, in both cases. It's evaluated by the interpreter when the file is imported or when it's executed. If you put a print statement before the if __name__ line then it will print output every time any other code attempts to import that as a module. (Of cours...
How do I get the number of days between two dates in JavaScript?
...es on the fact that you can get the elapsed milliseconds between two dates by subtracting them, which coerces them into their primitive number value (milliseconds since the start of 1970).
// new Date("dateString") is browser-dependent and discouraged, so we'll write
// a simple parse functio...
What is the difference between onPause() and onStop() of Android Activites?
...ctivities at the same time. The first activity with the fields is obscured by another activity, and the user can no longer interact with it. However, it is still visible with all the resulting consequences.
That leaves a question which activity is considered fully opaque and covering the whole scre...
Swift 编程语言入门教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... literal和模块，允许现代语言的框架无需深入即可使用。(by gashero)感谢这些基础工作，才使得可以在Apple软件开发中引入新的编程语言。
Objective-C开发者会感到Swift的似曾相识。Swift采用了Objective-C的命名参数和动态对象模型。提...
Subtract 7 days from current date
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use dateByAddingTimeInterval method:
NSDate *now = [NSDate date];
NSDate *sevenDaysAgo = [now dateByAddingTimeInterval:-7*24*60*60];
NSLog(@"7 days ago: %@", sevenDaysAgo);
output:
7 days ago: 2012-04-11 11:35:38 +0000
Hope it ...
Different floating point result with optimization enabled - compiler bug?
...les.
In x86_64 builds compilers use SSE registers for float and double by default, so that no extended precision is used and this issue doesn't occur.
gcc compiler option -mfpmath controls that.
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