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Xcode 'Build and Archive' menu item disabled
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bealexbealex
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R.exe, Rcmd.exe, Rscript.exe and Rterm.exe: what's the difference?
...d with /LARGEADDRESSAWARE and can allocate 4 GB RAM when run under Windows 64 bit, unlike R.exe (we're talking about 32 bit R running under 64 bit Windows). Why would the R people do this only for Rterm.exe and not for R.exe, if Rterm.exe is obsolete?
– Meh
Oct...
How to overwrite existing files in batch?
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You can use :
copy /b/v/y
See SS64 on COPY.
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How to convert integer to string in C? [duplicate]
...bits for int. When using numbers with greater bitsize, e.g. long with most 64-bit compilers, you need to increase the array size—at least 21 characters for 64-bit types.
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6个变态的C语言Hello World程序 - 创意 - 清泛网 - 专注C/C++及内核技术
...ne ___ _(0x6F)_(0x2C)_(0x20)_(0x77)_(0x6F)
#define ____ _(0x72)_(0x6C)_(0x64)_(0x21)
#define _____ __ ___ ____ _________
#include<stdio.h>
_____
hello2.c
#include<stdio.h>
main(){
int x=0,y[14],*z=&y;*(z++)=0x48;*(z++)=y[x++]+0x1D;
*(z++)=y[x++]+0x07;*(z++)=y[x++]+0x00;*(...
C++类的前置申明 - C/C++ - 清泛网 - 专注C/C++及内核技术
...用前置申明后,只能使用A的指针(32位编译器占4字节,64位编译器占8字节...class A; (而非 include "A.h",可能暂时都没有类A的定义)
使用前置申明后,只能使用A的指针(32位编译器占4字节,64位编译器占8字节),new一个A对象...
char类型移动跨平台踩过的坑 - C/C++ - 清泛网 - 专注IT技能提升
...符号处理的,但是在ARM32下被当成了无符号导致问题,ARM64正常有符号。经调查,在PC上,char类型默认为signed-char,但是在一些嵌入式设备
char强转int时,发现在x86平台下是按照有符号处理的,但是在ARM32下被当成了无符号导致问...
Python学习之Jupyter Notebook和highchart安装 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
Python学习之Jupyter Notebook和highchart安装运行环境Win7 64位 + Python3 5 2一、安装网页端编译器Jupyter Notebook在cmd输入pip3 install jupyter在cmd输入jupyter notebook,
运行环境
Win7 64位 + Python3.5.2
一、安装网页端编译器Jupyter Notebook
在cm...
启动 Eclipse 弹出“Failed to load the JNI shared library jvm.dll” - ...
...ipse的版本与jre或者jdk版本不一致
对策:要么两者都安装64位的,要么都安装32位的,不能一个是32位一个是64位。
原因2的概率更大一些,原因1不太可能发生。
Eclipse JNI
Linux MySql编译安装 - 更多技术 - 清泛网 - 专注C/C++及内核技术
Linux MySql编译安装安装环境:centos 6.4 x86_64curl -O http: cdn.mysql.com Downloads MySQL-5.6 mysql-5.6.12.tar.gztar -zxf mysql-5.6.12cd mysq...安装环境:centos 6.4 x86_64
#下载mysql源码包
curl -O http://cdn.mysql.com/Downloads/MySQL-5.6/mysql-5.6.12.tar.gz
tar -zxf mysql-5....