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Favorite way to create an new IEnumerable sequence from a single value?
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145
Your example is not an empty sequence, it's a sequence with one element. To create an empty s...
Working with time DURATION, not time of day
...me" data type - just change the format!
Excels time/date format is simply 1.0 equals 1 full day (starting on 1/1/1900). So 36 hours would be 1.5. If you change the format to [h]:mm, you'll see 36:00.
Therefore, if you want to work with durations, you can simply use subtraction, e.g.
A1: Start: ...
How can I strip first X characters from string using sed?
...nux in a small industrial box. I have a variable containing the text pid: 1234 and I want to strip first X characters from the line, so only 1234 stays. I have more variables I need to "clean", so I need to cut away X first characters and ${string:5} doesn't work for some reason in my system.
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Command to escape a string in bash
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155
In Bash:
printf "%q" "hello\world" | someprog
for example:
printf "%q" "hello\world"
hello...
How do I get a Cron like scheduler in Python? [closed]
...hedule
import time
def job():
print("I'm working...")
schedule.every(10).minutes.do(job)
schedule.every().hour.do(job)
schedule.every().day.at("10:30").do(job)
while 1:
schedule.run_pending()
time.sleep(1)
Disclosure: I'm the author of that library.
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scp or sftp copy multiple files with single command
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15 Answers
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App Inventor 2 网络微数据库后台搭建教程 - 自建TinyWebDB服务 · App Inventor 2 中文网
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路线 A：在自己的 Windows 电脑上运行
A1. 安装 Python
A2. 启动服务端
A3. 用手机浏览器检查能不能连上
路线 B：部署到云服务器
B1. 准备服务器
B2. 登录服务器
B3. 安装服务端
B4...
Can you define aliases for imported modules in Python?
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191
import a_ridiculously_long_module_name as short_name
also works for
import module.submodule...
Why does SSL handshake give 'Could not generate DH keypair' exception?
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21 Answers
21
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adb command not found
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edited Jun 17 '16 at 4:57
answered Apr 24 '12 at 18:16
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