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nsis安装之前备份程序，便于回滚 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...备份最近一次)
RMDir /r "$INSTDIR\..\${SHORTCUT_NAME}_bak"
CopyFiles "$INSTDIR\*" "$INSTDIR\..\${SHORTCUT_NAME}_bak"
Delete "$INSTDIR\..\${SHORTCUT_NAME}_bak\uninst.exe"
;备份结束
SetOutPath "$INSTDIR"
SetOverwrite on
; first pic
EBanner::show /NOUNLOAD "$PLUGI...
Java 调用外部进程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...初直接使用“Runtime.getRuntime().exec(String command, String[] env, File dir)”这个函数调用，但是程序老是阻塞，无法正常执行。
后来采用了读入InputStream的方法希望解决问题，可惜还是失败了，程序依然阻塞，无法执行完毕。
百般无...
Google breakpad stackwalker无法加载符号 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...
def main(argv):
if len(sys.argv) < 2:
print ("Please input binary files.")
sys.exit(2)
for i in range(1,len(sys.argv)):
binary = sys.argv[i]
outputFile = basename(binary) + ".sym"
command = '{0} {1} > {2}'.format("dump_syms",binary,outputFile)
print ('--> Runni...
NSIS做的安装程序，可接受命令行参数，实现静默安装，静默卸载 - 脚本技术 ...
...ples
installer.exe /NCRC
installer.exe /S
installer.exe /D=C:\Program Files\NSIS
installer.exe /NCRC /S /D=C:\Program Files\NSIS
uninstaller.exe /S _?=C:\Program Files\NSIS
# uninstall old version
ExecWait '"$INSTDIR\uninstaller.exe" /S _?=$INSTDIR'
nsis安装之前备份程序，便于回滚 - 脚本技术 - 清泛IT社区，为创新赋能！
...nbsp;RMDir /r "$INSTDIR\..\${SHORTCUT_NAME}_bak"
CopyFiles "$INSTDIR\*" "$INSTDIR\..\${SHORTCUT_NAME}_bak"
Delete "$INSTDIR\..\${SHORTCUT_NAME}_bak\uninst.exe"
;备份结束
SetOutPath "$INSTDIR"
 ...
Linux C/C++进程单实例互斥代码分享 - C/C++ - 清泛网 - 专注C/C++及内核技术
...clude <fcntl.h>
#include <sys/stat.h>
#include <unistd.h>
#define kPidFileName "app.pid"
bool enter_app_singleton() {
int fd = open(kPidFileName, O_RDWR | O_TRUNC);
if (fd == -1) {
//对应的锁文件当前不存在，试图创建该锁文件
fd = creat(kPidFileName, S_IRUSR|S_IWU...
App Inventor 2 上传文件到服务器的方案全总结 - App Inventor 2 中文网 - ...
...法，参考代码如下：
php服务端代码参考：<?php
/* FileName: PicXfer.php
* Simple PHP script to save image file.
*/
echo "We're in the XFER Program...";//phpinfo();
$picDir = "./test/";
$fileName = $_REQUEST['pic'];
$startT = microtime(TRUE);
echo "...
Android Studio Collapse definitions and methods
...
First make sure it is enabled in config (it should be by default). Go to File -> Settings, then under the IDE Settings area find Editor -> General -> Code Folding, check the Show code folding outline.
To collapse/expand items use the Code -> Folding menu.
Edit:
To customize the keybo...
How to get the cuda version?
...
I get a file not found error, but nvcc reports version 8.0. /usr/local/cuda does not exist..
– Elias
Jul 17 '18 at 14:35
...
How do I reformat HTML code using Sublime Text 2?
...en from the menu select Edit → Line → Reindent.
This will work if your file is saved with an extension that contains HTML like .html or .php.
If you do this often, you may find this key mapping useful:
{ "keys": ["ctrl+shift+r"], "command": "reindent" , "args": { "single_line": false } }
If ...