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What characters are allowed in an email address?
..., and must not end with a hyphen. However, a subsequent specification (RFC 1123) permitted hostname labels to start with digits. No other symbols, punctuation characters, or blank spaces are permitted.
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Batch script: how to check for admin rights
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Community♦
111 silver badge
answered Jan 24 '12 at 22:47
blak3rblak3r
14.3k1414 gold badg...
No appenders could be found for logger(log4j)?
I have put log4j to my buildpath, but I get the following message when I run my application:
31 Answers
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App Inventor 2 构建纯血鸿蒙 HarmonyOS App · App Inventor 2 中文网
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3.2 申请签名证书
（1）调试证书（Debug证书）
（2）发布证书（Release证书）
3.3 发布证书申请步骤
Step 1：生成密钥对和证书签名请求（CSR）
Step 2：在 AGC 申请签名证...
how to show progress bar(circle) in an activity having a listview before loading the listview with d
...to third activity which also have a ListView having description of previous activities ListView item.
12 Answers
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How to make good reproducible pandas examples
... of a grievance with pandas default display but nonetheless annoying:
In [11]: df
Out[11]:
C
A B
1 2 3
2 6
The correct way is to include an ordinary DataFrame with a set_index call:
In [12]: df = pd.DataFrame([[1, 2, 3], [1, 2, 6]], columns=['A', 'B', 'C']).set_index(['A', 'B'])
In ...
Execute command on all files in a directory
Could somebody please provide the code to do the following:
Assume there is a directory of files, all of which need to be run through a program. The program outputs the results to standard out. I need a script that will go into a directory, execute the command on each file, and concat the output int...
How to use phpexcel to read data and insert into database?
...rom excel, Insert into database and then generate pdf reports for specific users.
I searched a lot but nothing specific given about both things.
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Difference Between Cohesion and Coupling
What is the difference between cohesion and coupling?
16 Answers
16
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An example of how to use getopts in bash
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answered May 11 '13 at 11:16
Adrian FrühwirthAdrian Frühwirth
33k77 gold badges5353 silver badges6767 bronze badges
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