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What is the difference between an int and a long in C++?
...me, but for example on Alpha systems a long was 64 bits whereas an int was 32 bits. This article covers the rules for the Intel C++ compiler on variable platforms. To summarize:
OS arch size
Windows IA-32 4 bytes
Windows Intel 64 4 bytes
Windows ...
Build Eclipse Java Project from Command Line
... build an eclipse project via a workspace from the command line:
eclipsec.exe -noSplash -data "D:\Source\MyProject\workspace" -application org.eclipse.jdt.apt.core.aptBuild
It uses the jdt apt plugin to build your workspace automatically. This is also known as a 'Headless Build'. Damn hard to fi...
What is the argument for printf that formats a long?
...
On most platforms, long and int are the same size (32 bits). Still, it does have its own format specifier:
long n;
unsigned long un;
printf("%ld", n); // signed
printf("%lu", un); // unsigned
For 64 bits, you'd want a long long:
long long n;
unsigned long long un;
printf(...
Convert a float64 to an int in Go
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
Is there a way to tell git to only include certain files instead of ignoring certain files?
...ould be to have a directory for source files and a different directory for executables and program output, something like this:
+ .git
| (...)
+ bin
| my_exe.exe
| my_output.txt
+ src
some_file.c
some_file.h
... and then only add the stuff in src/ to my repository and ignore...
MFC 的SetWindowPos 用法 - C/C++ - 清泛网 - 专注C/C++及内核技术
MFC 的SetWindowPos 用法许多软件，特别是占桌面面积不是很大的软件，通常都提供了一个常居顶端的功能（可能有的软件不是这么叫法，但作用是相同的），它的作用是保...许多软件，特别是占桌面面积不是很大的软件，通常都提...
CentOS 64 bit bad ELF interpreter
I have just installed CentOS 6 64bit version, I'm trying to install a 32-bit application on a 64-bit machine and got this error:
...
Convert Base64 string to an image file? [duplicate]
...edited Dec 31 '18 at 18:00
miken32
32.1k1212 gold badges7171 silver badges8888 bronze badges
answered Apr 10 '18 at 14:52
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Where Is Machine.Config?
...
32-bit
%windir%\Microsoft.NET\Framework\[version]\config\machine.config
64-bit
%windir%\Microsoft.NET\Framework64\[version]\config\machine.config
[version] should be equal to v1.0.3705, v1.1.4322, v2.0.50727 or v4.0.30...
Why is creating a new process more expensive on Windows than Linux?
...p when COW is used, but as a matter of fact, fork is mostly followed by an exec. And an exec has to load all images as well. Discussing the performance of fork therefore is only part of the truth.
When discussing the speed of process creation, it is probably a good idea to distinguish between NT an...