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How to fix Git error: object file is empty?
...p ran out of battery during a git operation. Boo.
I didn't have any backups. (N.B. Ubuntu One is not a backup solution for git; it will helpfully overwrite your sane repository with your corrupted one.)
To the git wizards, if this was a bad way to fix it, please leave a comment. It did, however, ...
7个App Inventor 2文件操作实用技巧，读写文件从未如此顺手 - App应用开发 ...
...对手机其他应用不可见。
• 兼容（Compatible）：兼容旧版本规则，文件直接写到 /sdcard/ 根目录。Android 11+ 此模式已失效，不要在新项目中使用。
• 共享（Shared）：读写设备的共享媒体目录（如图片目录），适合需要让相册等A...
knitr Markdown highlighting in Emacs?
...ocal Variables: -->
... enjoy a dramatic change in your productivity.
PS
Do not overlook last elisp line. It will allow to save markdown properly. Otherwise, when you reopen your doc, you'll have unpleasant surprises.
A note to Windows users
Skip this if you are a Linux guy, but, despite the...
PHP编译configure时常见错误 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...是那不一定是适合你的，因为很多都直接关系着你的系统版本和内核。因此要自己亲自不断的调试，才能完全安装成功。
本文总结了一些常见的configure错误信息和解决这些错误的经验。
1、configure: error: No curses/termcap library found...
How to stop and restart memcached server?
...ice memcached restart
You can see if Memcache is currently runing:
sudo ps -e | grep memcached
And you can check the TCP or UDP ports if something (e.g. Memcache) is listening to it:
netstat -ap | grep TheChosenPort#
netstat -ap | grep 11211
For some Linuxes you need to change your commands ...
App Inventor 2 物联网入门的两个方向：BLE直连硬件 vs MQTT云端通信，你的...
... 建议先做 BLE 本地版验证功能，然后再用 MQTT 做远程升级版本
• 如果你的项目同时需要本地快速响应和远程管理→ 两种方案可以共存：本地控制走 BLE，数据上报走 MQTT
总结
把物联网入门想成"选工具"而非"做学...
how to delete all commit history in github? [duplicate]
... master
Finally, force update your repository
git push -f origin master
PS: this will not keep your old commit history around
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自动生成Linux下Makefile全攻略（automake原理） - C/C++ - 清泛网 - 专注C/C++及内核技术
...定项目的一个源文件
AC_INIT(dir1/code2.c)
#指定项目名称和版本号
AM_INIT_AUTOMAKE(prog1, 0.0.1)
#检查编译器
AC_PROG_CC
#输出Makefile文件
AC_OUTPUT(Makefile dir1/Makefile)
那么它是怎样生成Makefile的呢？下面通过一个Shell脚本简要说明一下执行...
ESP8285接入App Inventor 2深度调研：4种连接方案+是否需要开发拓展 - 创客...
...乐鑫(Espressif)推出的WiFi SoC，本质是ESP8266的"内置Flash版本"：
参数ESP8285ESP8266CPUTensilica L106, 80/160MHz相同WiFi802.11 b/g/n相同Flash内置 1MB外部 SPI FlashSRAM~50KB 用户可用相同GPIO最多 17 个相同接口UART, SPI, I2C, PWM, ADC相同封装QFN32 (5...
How to run an application as “run as administrator” from the command prompt? [closed]
...unas.exe /savecred /user:administrator "%sysdrive%\testScripts\testscript1.ps1"
It saves the password the first time and never asks again. Maybe when you change the administrator password you will be prompted again.
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