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Bash script prints “Command Not Found” on empty lines
...bash
Enter your path to bash if it is not /bin/bash
Try running:
dos2unix script.sh
That wil convert line endings, etc from Windows to unix format. i.e. it strips \r (CR) from line endings to change them from \r\n (CR+LF) to \n (LF).
More details about the dos2unix command (man page)
An...
MaterialDialog 对话框增强扩展 · App Inventor 2 中文网
...、抽屉菜单、日期/时间/列表选择器等高级交互功能。
代码块预览：
动态效果预览：
属性
LongLength 长时长
Toast 长时长的常量值，值为 1。在调用 ShowToast 时作为时长参数传入。
ShortLength 短时长
Toa...
How to configure an existing git repo to be shared by a UNIX group
...s up to this point only been writable by me. I want to open it up to some UNIX user group, foo, so that all members of foo can push to it. I'm aware that I can easily set up a new git repo with:
...
Colors with unix command “watch”?
Some commands that I use display colors, but when I use them with watch the colors disappears:
6 Answers
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App Inventor 2 MQTT拓展入门（保姆级教程） · App Inventor 2 中文网
...）
准备工作
App设计及代码
测试效果
App端测试发布消息，效果如下：
App与测试客户端联动测试，效果如下：
云平台服务器端可以查看订阅设备的数量，以及消息的发送历史：
...
Get current date in milliseconds
... reference date was given in the question, but be aware that this is not a UNIX timestamp.
– nyi
Sep 17 '14 at 14:57
2
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Single script to run in both Windows batch and Linux Bash?
...That way, executing the script from the default shell on either Windows or unix will work (only tested with bash). Because I cannot think of a way to include a shebang without making cmd complain loudly, you must always invoke the script via shell. I.e., be sure to use execlp() or execvp() (I think ...
How accurate is python's time.sleep()?
...e other hand, the precision of
time() and sleep() is better than
their Unix equivalents: times are
expressed as floating point numbers,
time() returns the most accurate time
available (using Unix gettimeofday
where available), and sleep() will
accept a time with a nonzero fraction
(U...
nginx showing blank PHP pages
... configuration file (i,e: /etc/nginx/sites-enabled/default).
fastcgi_pass unix:/var/run/php/php7.2-fpm.sock;
3) Check the file actually exists:
$ file /var/run/php/php7.2-fpm.sock
/var/run/php/php7.2-fpm.sock: socket
4) If it doesn't exist that means php7.2-fpm is not running, so you need to ...
石头剪刀布 · App Inventor 2 中文网
...。
界面已经在模板工程里搭好了，组件名如下，后面写代码要用到：
组件名
类型
作用
按钮_石头 按钮_剪刀 按钮_布
按钮
玩家出招
标签_玩家分 标签_电脑分
标...