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How to check the version before installing a package using apt-get?
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329
OK, I found it.
apt-cache policy <package name> will show the version details.
It also s...
How do I specify the platform for MSBuild?
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x86 builds 32 bits dll/executable and x64 builds 64 bits dlls/executable.
– Benjamin Baumann
Mar 20 '12 at 13:05
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How do you determine the size of a file in C?
... %s: %s\n",
filename, strerror(errno));
return -1;
}
On 32-bit systems you should compile this with the option -D_FILE_OFFSET_BITS=64, otherwise off_t will only hold values up to 2 GB. See the "Using LFS" section of Large File Support in Linux for details.
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What are differences between AssemblyVersion, AssemblyFileVersion and AssemblyInformationalVersion?
...ed if you were using the class properties or System.Reflection.Assembly.GetExecutingAssembly().GetName().Version to detect the build and revision numbers.
– thinkOfaNumber
Jan 21 '14 at 2:21
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What's the difference between a single precision and double precision floating point operation?
...e a 64-bit processor, however:
Many games took advantage of the chip's 32-bit processing mode as the greater data precision available with 64-bit data types is not typically required by 3D games, as well as the fact that processing 64-bit data uses twice as much RAM, cache, and bandwidth, thereb...
OnMouseMove nFlags的作用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...鼠标移动时调用此函数 。参数：nFlags指示各种虚拟按键是否按下 ，此参数可以是任何...afx_msgvoidOnMouseMove( UINT nFlags, CPoint point ); 当鼠标移动时调用此函数 。
参数：
nFlags
指示各种虚拟按键是否按下 ，此参数可以是任何下...
Base64 length calculation?
... in size, so the formula correctly predicts the output will be 4 bytes (or 32 bits) long: TWFu. The process encodes every 6 bits of data into one of the 64 Base64 characters, so the 24-bit input divided by 6 results in 4 Base64 characters.
You ask in a comment what the size of encoding 123456 woul...
Long vs Integer, long vs int, what to use and when?
...nd Integer is the object form of int.
The long uses 64 bits. The int uses 32 bits, and so can only hold numbers up to ±2 billion (-231 to +231-1).
You should use long and int, except where you need to make use of methods inherited from Object, such as hashcode. Java.util.collections methods usual...
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...
How to maintain aspect ratio using HTML IMG tag
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