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Convert an integer to a float number
...re is no float type. Looks like you want float64. You could also use float32 if you only need a single-precision floating point value.
package main
import "fmt"
func main() {
i := 5
f := float64(i)
fmt.Printf("f is %f\n", f)
}
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UTF-8, UTF-16, and UTF-32
What are the differences between UTF-8, UTF-16, and UTF-32?
12 Answers
12
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Default function arguments in Rust
...you can get a similar behavior using Option<T>
fn add(a: Option<i32>, b: Option<i32>) -> i32 {
a.unwrap_or(1) + b.unwrap_or(2)
}
This accomplishes the objective of having the default value and the function coded only once (instead of in every call), but is of course a who...
difference between #if defined(WIN32) and #ifdef(WIN32)
... can do compound conditionals.
For example in your case:
#if defined(WIN32) && !defined(UNIX)
/* Do windows stuff */
#elif defined(UNIX) && !defined(WIN32)
/* Do linux stuff */
#else
/* Error, both can't be defined or undefined same time */
#endif
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How to manually create icns files using iconutil?
...The following files should exist: icon_16x16.png, icon_16x16@2x.png, icon_32x32.png, icon_32x32@2x.png, icon_128x128.png, icon_128x128@2x.png, icon_256x256.png, icon_256x256@2x.png. The @2x files should be stored at 144 pixels per inch while the others should be stored at 72 pixels per inch.
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Can I convert long to int?
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Convert.ToInt32(myValue);
Though I don't know what it will do when it's greater than int.MaxValue.
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FAT32系统中长文件名的存储 - C/C++ - 清泛网 - 专注C/C++及内核技术
FAT32系统中长文件名的存储FAT32的一个重要的特点是完全支持长文件名。长文件名依然是记录在目录项中的。为了低版本的OS或程序能正确读取长文件名文件,系统自动为所...FAT32的一个重要的特点是完全支持长文件名。长文件名...
printf format specifiers for uint32_t and size_t
...me as unsigned long (possibly 64 bits) when it's actually an unsigned int (32 bits). Try using %zu in both cases.
I'm not entirely certain though.
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Eclipse Android Plugin — libncurses.so.5
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And for ubuntu: apt-get install lib32ncurses5 lib32stdc++6 (lib32gcc1 is pulled in as a dependency)
– vsekhar
Apr 29 '12 at 0:07
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What does the C++ standard state the size of int, long type to be?
...e of basic C++ types.
I know that it depends on the architecture (16 bits, 32 bits, 64 bits) and the compiler.
24 Answers
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