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Can someone explain in simple terms to me what a directed acyclic graph is?
Can someone explain in simple terms to me what a directed acyclic graph is? I have looked on Wikipedia but it doesn't really make me see its use in programming.
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How to check if a string is a valid hex color representation?
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/^#[0-9A-F]{6}$/i.test('#AABBCC')
To elaborate:
^ -> match beginning
# -> a hash
[0-9A-F] -> any integer from 0 to 9 and any letter from A to F
{6} -> the previous group appears exactly 6 times
$ -> match end
i -> ignore ca...
Setting table column width
I've got a simple table that is used for an inbox as follows:
13 Answers
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Where is HttpContent.ReadAsAsync?
I see in tons of examples on the web using the new HttpClient object (as part of the new Web API) that there should be HttpContent.ReadAsAsync<T> method. However, MSDN doesn't mention this method, nor does IntelliSense find it.
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How to convert Java String into byte[]?
Is there any way to convert Java String to a byte[] ( not the boxed Byte[] )?
8 Answers
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Using sed, how do you print the first 'N' characters of a line?
Using sed what is an one liner to print the first n characters ? I am doing the following:
6 Answers
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How do I redirect output to a variable in shell? [duplicate]
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Use the $( ... ) construct:
hash=$(genhash --use-ssl -s $IP -p 443 --url $URL | grep MD5 | grep -c $MD5)
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Insert picture/table in R Markdown [closed]
So I want to insert a table AND a picture into R Markdown. In regular word document I can just easily insert a table (5 rows by 2 columns), and for the picture just copy and paste.
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Python timedelta in years
...to check if some number of years have been since some date. Currently I've got timedelta from datetime module and I don't know how to convert it to years.
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Is it good practice to use java.lang.String.intern()?
The Javadoc about String.intern() doesn't give much detail. (In a nutshell: It returns a canonical representation of the string, allowing interned strings to be compared using == )
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