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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 "...
embedding image in html email
...ly at:
http://www.motobit.com/util/base64-decoder-encoder.asp from a image file.
Email source code looks something like this, but i really cant tell you what that boundary thing is for:
To: email@email.de
Subject: ...
Content-Type: multipart/related;
boundary="------------090303020209010600070...
Pelican 3.3 pelican-quickstart error “ValueError: unknown locale: UTF-8”
...olution posted here or here. Basically, add some lines to your ~/.bash_profile:
export LC_ALL=en_US.UTF-8
export LANG=en_US.UTF-8
There is an outstanding bug report related to this issue. It appears that Python makes some assumptions about the format of locale names that aren't universally vali...
Disabling browser caching for all browsers from ASP.NET
...SP.NET MVC 3 application. Here is the code block I used in the Global.asax file to handle this for all requests.
protected void Application_BeginRequest()
{
//NOTE: Stopping IE from being a caching whore
HttpContext.Current.Response.Cache.SetAllowResponseInBrowserHistory(fal...