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Memcache Vs. Memcached [duplicate]
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What are the advantages of one over the other?
Can you also suggest the criteria used to choose between one or the other?
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How to check whether mod_rewrite is enable on server?
Currently I am using the hosting with lightspeed server. Hosting says mod_rewrite is enabled but I can't get my script working there. Whenever I try to access the URL, it returns 404 - not found page.
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Count the number of occurrences of a character in a string in Javascript
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I have updated this answer. I like the idea of using a match better, but it is slower:
console.log(("str1,str2,str3,str4".match(/,/g) || []).length); //logs 3
console.log(("str1,str2,str3,str4".match(new RegExp("str", "g")) || []).length); //logs 4
jsfiddle
Use a regular expression literal if...
Has anyone actually implemented a Fibonacci-Heap efficiently?
...of you ever implemented a Fibonacci-Heap ? I did so a few years back, but it was several orders of magnitude slower than using array-based BinHeaps.
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What does SQL clause “GROUP BY 1” mean?
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It means to group by the first column regardless of what it's called. You can do the same with ORDER BY.
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Simple way to calculate median with MySQL
...t's the simplest (and hopefully not too slow) way to calculate the median with MySQL? I've used AVG(x) for finding the mean, but I'm having a hard time finding a simple way of calculating the median. For now, I'm returning all the rows to PHP, doing a sort, and then picking the middle row, but sur...
How do I do top 1 in Oracle?
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edited Jun 12 '16 at 14:36
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
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Can I have onScrollListener for a ScrollView?
... instance of ViewTreeObserver, you can add an OnScrollChangedListener() to it using the method addOnScrollChangedListener().
You can see more information about this class here.
It lets you be aware of every scrolling event - but without the coordinates. You can get them by using getScrollY() or ge...
IndentationError: unindent does not match any outer indentation level
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Other posters are probably correct...there might be spaces mixed in with your tabs. Try doing a search & replace to replace all tabs with a few spaces.
Try this:
import sys
def Factorial(n): # return factorial
result = 1
for i in range (1,n):
result = result * i
prin...
jquery - fastest way to remove all rows from a very large table
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edited Oct 2 '15 at 19:14
answered Apr 6 '09 at 20:39
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