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Performance difference for control structures 'for' and 'foreach' in C#
...xer-code (array-style accessing) is a lot worse than using the IEnumerator from the foreach, for large lists.
When you access element 10.000 in a LinkedList using the indexer syntax: list[10000], the linked list will start at the head node, and traverse the Next-pointer ten thousand times, until it...
“unadd” a file to svn before commit
... folder and then re-do the operation with correct ignoring configuration.
From the documentation:
you can undo any scheduling operations:
$ svn add mistake.txt whoops
A mistake.txt
A whoops
A whoops/oopsie.c
$ svn revert mistake.txt whoops
Reverted mistake.txt
Reverted w...
How to print last two columns using awk
...er. I thought we were discussing where the original old awk behavior came from.
– jim mcnamara
Oct 19 '13 at 15:44
+1...
Why does Convert.ToString(null) return a different value if you cast null?
...
Following on from JaredPar's excellent overload resolution answer - the question remains "why does Convert.ToString(string) return null, but Convert.ToString(object) return string.Empty"?
And the answer to that is...because the docs say s...
arrayfun can be significantly slower than an explicit loop in matlab. Why?
...which you can directly express as loop nests. Where does the overhead come from we can not know. Could the overhead be avoided by a better implementation? Maybe not. But unfortunately the only thing we can do is study the performance to identify the cases, in which it works well, and those, where it...
Flexbox: center horizontally and vertically
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When flex items are stacked horizontally:
Adjust the flex-direction rule from the code above.
#container {
display: flex;
flex-direction: row; /* make main axis horizontal (default setting) */
justify-content: center; /* center items horizontally, in this case */
align-items: ...
List files by last edited date
...*(^om); do
[ -e "$file" ] || continue
# do something with file orderer from least recently modified to last modified
done
Or chained with another glob qualifier:
last_modified_file=(*(om[1]))
share
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...
class
....instance_methods.include? :a #=> true
hi object inherits its #methods from its #singleton_class.instance_methods and then from its #class.instance_methods.
Here we gave hi's singleton class instance method :a. It could have been done with class << hi instead.
hi's #singleton_class has all...
Should I use window.navigate or document.location in JavaScript?
...more authoritative, though I think it would be better to see documentation from the browser development teams to back up the claim.
– Goyuix
Dec 9 '10 at 17:37
6
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Cannot install node modules that require compilation on Windows 7 x64/VS2012
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updated answer to include the new readme from node-gyp, thanks @MichaelK.
– catalint
Dec 21 '15 at 14:18
2
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