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Difference between subprocess.Popen and os.system
What is the difference between subprocess.Popen() and os.system() ?
5 Answers
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Keep only first n characters in a string?
...substring(0,8);
Which returns the string starting at the first character and finishing before the 9th character - i.e. 'Hiya how'.
substring documentation
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What is the difference between location list and quickfix list in vim
The following is from the documentation about the quickfix list and location list. But I am not sure what actually different. The image below shows the same things from the location list and quickfix list. When do I use one or another in vimgrep and lvimgrep.
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Latex Remove Spaces Between Items in List
...numitem package provides a lot of features to customize bullets, numbering and lengths.
The paralist package provides very compact lists: compactitem, compactenum and even lists within paragraphs like inparaenum and inparaitem.
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R apply function with multiple parameters
I have a function f(var1, var2) in R. Suppose we set var2 = 1 and now I want to apply the function f() to the list L . Basically I want to get a new list L* with the outputs
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sql “LIKE” equivalent in django query
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And for case insensitive search use __icontains -> result = table.objects.filter(string__icontains='pattern')
– Hitesh Garg
Aug 11 '15 at 15:56
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How can I change a file's encoding with vim?
...xt
So you should be able to change the encoding as part of the write command.
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How to use comments in Handlebar templates?
I am using Handlebar.js as my templating engine. Now I want to comment out some of the blocks in my handlebar templates. But then I realized that Handlebar doesn't ignore the expressions inside the Handlebar comment block. Any workaround for this?
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Compare two Byte Arrays? (Java)
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You can use both Arrays.equals() and MessageDigest.isEqual(). These two methods have some differences though.
MessageDigest.isEqual() is a time-constant comparison method and Arrays.equals() is non time-constant and it may bring some security issues if you ...
Memory footprint of Haskell data types
...ge conventions)
Rule of thumb: a constructor costs one word for a header, and one word for each field. Exception: a constructor with no fields (like Nothing or True) takes no space, because GHC creates a single instance of these constructors and shares it amongst all uses.
A word is 4 bytes on a ...