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How do I add 1 day to an NSDate?
... Yes works well for daylight savings. Tip for DST check: Reset date and time on your mac and then restart your simulator, it will then follow your system time.
– Rob van den Berg
Apr 1 '13 at 5:00
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Difference between `data` and `newtype` in Haskell
...resentation at runtime, as the type that you wrap.
While data declares a brand new data structure at runtime.
So the key point here is that the construct for the newtype is guaranteed to be erased at compile time.
Examples:
data Book = Book Int Int
newtype Book = Book (Int, Int)
Note ...
How can I pass a list as a command-line argument with argparse?
I am trying to pass a list as an argument to a command line program. Is there an argparse option to pass a list as option?
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What is the memory consumption of an object in Java?
...en decide up front which one to call.
Then of course the hardware and OS have multilayer caches, on chip-cache, SRAM cache, DRAM cache, ordinary RAM working set and backing store on disk. Your data may be duplicated at every cache level. All this complexity means you can only very roughly p...
How do I find out which process is locking a file using .NET?
I've seen several of answers about using Handle or Process Monitor , but I would like to be able to find out in my own code (C#)
which process is locking a file.
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Sending data back to the Main Activity in Android
I have two activities: main activity and child activity.
When I press a button in the main activity, the child activity is launched.
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Error: allowDefinition='MachineToApplication' beyond application level
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I opened the website in IIS manager
right clicked the WCF folder
clicked Convert to Application
and then submitted with Ok
WCF is back and running.
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Hidden features of C
I know there is a standard behind all C compiler implementations, so there should be no hidden features. Despite that, I am sure all C developers have hidden/secret tricks they use all the time.
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Best way to hide a window from the Alt-Tab program switcher?
I've been a .NET developer for several years now and this is still one of those things I don't know how to do properly. It's easy to hide a window from the taskbar via a property in both Windows Forms and WPF, but as far as I can tell, this doesn't guarantee (or necessarily even affect) it being hid...
汇编语言超浓缩教程（汇编入门必备） - C/C++ - 清泛网 - 专注C/C++及内核技术
...有ASCII码
当我们想任意显示字符串，如：UNDERSTAND？，则可以使用DOS21H号中断9H号功能。输入下行程序，存盘并执行看看：
1.输入 A100
MOV DX,109 ；DS:DX ＝ 字符串的起始地址
MOV AH,9 ；DOS的09h功能调用
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