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How can I shuffle the lines of a text file on the Unix command line or in a shell script?
...hat duplicate lines / sort keys always end up next to each other. In other words: only with unique input lines / keys is it a true shuffle. While it's true that the output order is determined by hash values, the randomness comes from choosing a random hash function - see manual.]
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Difference between string and char[] types in C++
... operator ([]) provides constant time access (and is in every sense of the word the exact same thing as using a c-string indexer). Using the at method gives you bounds checked safety as well, something you don't get with c-strings, unless you write it. Your compiler will most often optimize out the ...
Copying text to the clipboard using Java
...rd, making it available to be pasted into other programs such as Microsoft Word. I have the text from the JTable , but I am unsure how to copy it to the clipboard.
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Why does substring slicing with index out of range work?
...of items with index x = i + n*k such that 0 <= n < (j-i)/k. In other words, the indices are i, i+k, i+2*k, i+3*k and so on, stopping when j is reached (but never including j). When k is positive, i and j are reduced to len(s) if they are greater
if you write s[999:9999], python is returning ...
Spring Expression Language (SpEL) with @Value: dollar vs. hash ($ vs. #)
... Which part of my question is this supposed to answer? It's from 2006 and words like "parsed and evaluated in exactly the same way" and "might carry different meanings" is probably as vague is you can probably put it.
– sjngm
Feb 17 '13 at 17:12
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Docker - a way to give access to a host USB or serial device?
...ou really don't want to expose to a root user in the container. In other words, your solution does work, but it's unsafe. Mine gets around that problem. I'll edit my answer to point that out.
– Marc Merlin
Feb 28 '19 at 3:29
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What is difference between XML Schema and DTD?
...be how those elements are grouped, nested or used within the XML. In other words, they declare the rules by which you are allowing someone to create an XML file within your workflow, and
Third, both DTDs and schemas provide methods for restricting, or forcing, the type or format of an element. For e...
Map function in MATLAB?
...iterate over it yourself and call the function for each element.
In other words, this
a = 1:10;
a.^2
is much faster than this
a = 1:10;
map(@(x)x^2, a)
assuming your definition of map.
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How does the algorithm to color the song list in iTunes 11 work? [closed]
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One word: FANTASTIC!
– Teddy
Aug 28 '15 at 13:15
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Insert a line break in mailto body
... @littlecoder Because it is a poor answer: poorly formatted, poorly worded and it omits essential context. It is just as likely to confuse people that land on this page as it is to help them. It is not useful by this site's standards, and so it has been voted accordingly
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