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mmap() vs. reading blocks
...a program that will be processing files that could potentially be 100GB or more in size. The files contain sets of variable length records. I've got a first implementation up and running and am now looking towards improving performance, particularly at doing I/O more efficiently since the input file...
How do I replace multiple spaces with a single space in C#?
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@Joel: Can't agree. I'm actually sure that this way is more efficient than yours for large enough strings and can be done in one single line. Where's the overkill?
– Konrad Rudolph
Nov 23 '08 at 16:27
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Algorithm to find top 10 search terms
.../Online_algorithm. btw, Motwani died recently, so perhaps was an author is more accurate.
– Aryabhatta
Jul 16 '10 at 16:34
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How can I expand and collapse a using javascript?
... options here :
Use jQuery UI's accordion - its nice, easy and fast. See more info here
Or, if you still wanna do this by yourself, you could remove the fieldset (its not semantically right to use it for this anyway) and create a structure by yourself.
Here's how you do that. Create a HTML struc...
Are Exceptions in C++ really slow
...y cache misses, and thus not trivial compared to pure CPU code.
Note: for more details, read the TR18015 report, chapter 5.4 Exception Handling (pdf)
So, yes, exceptions are slow on the exceptional path, but they are otherwise quicker than explicit checks (if strategy) in general.
Note: Andrei Al...
.htm vs .html ? Which file extension naming is more correct? [closed]
...our file names since file extensions are typically 3 characters long.
AND MORE ON: http://www.sightspecific.com/~mosh/WWW_FAQ/ext.html or http://www.sightspecific.com/~mosh/WWW_FAQ/ext.htm
I think I should add this part here:
There is one single slight difference between .htm and .html files. Con...
Why do people use Heroku when AWS is present? What distinguishes Heroku from AWS? [closed]
...cture and to be able to use different web servers, then choose AWS. AWS is more time-consuming based on what service/product you choose, but can be worth it. AWS also comes with many plugin services and products.
Heroku
Platform as a Service (PAAS)
Good documentation
Has built-in tools and arch...
What is the best way to detect a mobile device?
...userAgent) ) {
// some code..
}
Or you can combine them both to make it more accessible through jQuery...
$.browser.device = (/android|webos|iphone|ipad|ipod|blackberry|iemobile|opera mini/i.test(navigator.userAgent.toLowerCase()));
Now $.browser will return "device" for all above devices
Not...
Why use non-member begin and end functions in C++11?
...w do you call .begin() and .end() on a C-array ?
Free-functions allow for more generic programming because they can be added afterwards, on a data-structure you cannot alter.
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Remove all multiple spaces in Javascript and replace with single space [duplicate]
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Very true :) --inserts more characters--
– Josiah
Jul 20 '10 at 4:02
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