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How to make a great R reproducible example
When discussing performance with colleagues, teaching, sending a bug report or searching for guidance on mailing lists and here on Stack Overflow, a reproducible example is often asked and always helpful.
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In Python, when to use a Dictionary, List or Set?
When should I use a dictionary, list or set?
11 Answers
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App Inventor 2 字典代码块 · App Inventor 2 中文网
... 隐私策略和使用条款 技术支持 service@fun123.cn
Get unique values from a list in python [duplicate]
I want to get the unique values from the following list:
30 Answers
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Only read selected columns
Can anyone please tell me how to read only the first 6 months (7 columns) for each year of the data below, for example by using read.table() ?
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How to count lines in a document?
I have lines like these, and I want to know how many lines I actually have...
24 Answers
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How to force LINQ Sum() to return 0 while source collection is empty
Basically when I do the following query, if no leads were matched the following query throws an exception. In that case I'd prefer to have the sum equalize 0 rather than an exception being thrown.
Would this be possible in the query itself - I mean rather than storing the query and checking query.A...
Finding the average of a list
I have to find the average of a list in Python. This is my code so far
23 Answers
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How do I find all of the symlinks in a directory tree?
I'm trying to find all of the symlinks within a directory tree for my website. I know that I can use find to do this but I can't figure out how to recursively check the directories.
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How to get all groups that a user is a member of?
...samaccountname=$($env:USERNAME)").Findone().Properties.memberof -replace '^CN=([^,]+).+$','$1'
More details about using the [ADSISEARCHER] type accelerator can be found on the scripting guy blog: http://blogs.technet.com/b/heyscriptingguy/archive/2010/08/24/use-the-powershell-adsisearcher-type-acc...