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How many socket connections can a web server handle?
...log/2013/5/13/the-secret-to-10-million-concurrent-connections-the-kernel-i.html, goes into a lot of detail, exploring how even 10 million could be achieved. Servers often have hardware TCP offload engines, ASICs designed for this specific role more efficiently than a general purpose CPU.
Good softwa...
What are best practices that you use when writing Objective-C and Cocoa? [closed]
...bly still good;
http://web.utk.edu/~jplyon/sqlite/SQLite_optimization_FAQ.html
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edited May 23 '17 at 11:54
...
Speed up the loop operation in R
...allelization (http://cran.r-project.org/web/views/HighPerformanceComputing.html) or even GPU-based solutions (gpu-tools).
Links to other guidance
http://www.noamross.net/blog/2013/4/25/faster-talk.html
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...
Merge, update, and pull Git branches without using checkouts
...he upstream branch (from kernel.org/pub/software/scm/git/docs/gitrevisions.html)
– orip
Nov 25 '12 at 8:33
Thanks! Any...
John Carmack's Unusual Fast Inverse Square Root (Quake III)
...ing-point representation, 0x5f3759df" https://mrob.com/pub/math/numbers-18.html
On the same site it explains the whole thing. https://mrob.com/pub/math/numbers-16.html#le009_16
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Difference between Pragma and Cache-Control headers?
...st from the client. The http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.32 defines the scenario as follows:
HTTP/1.1 caches SHOULD treat "Pragma: no-cache" as if the client had
sent "Cache-Control: no-cache". No new Pragma directives will be
defined in HTTP.
Note: because th...
Nginx no-www to www and www to no-www
... listen 80;
server_name google.com;
index index.php index.html;
####
# now pull the site from one directory #
root /var/www/www.google.com/web;
# done #
location = /favicon.ico {
log_not_found off;
access_log off;
...
What is the recommended approach towards multi-tenant databases in MongoDB?
...e.org/web/20140812091703/http://support.mongohq.com/use-cases/multi-tenant.html
The guys stated to avoid 2nd options at any cost, which as I understand is not particularly specific to mongodb. My impression is that this is applicable for most of the NoSQL dbs I researched (CoachDB, Cassandra, Couch...
Why shouldn't I use PyPy over CPython if PyPy is 6.3 times faster?
...
According to pypy.org/download.html, PyPy needs 4 GB of RAM to compile (on a 64-bit system), not 8. And there's an option on that page to do it under 3 GB if needed.
– knite
Oct 29 '15 at 23:11
...
What does the CSS rule “clear: both” do?
...lid #000;
height: 300px;
}
.clear {
clear: both;
}
<!-- HTML -->
<header>
Header
</header>
<aside>
Aside (Floated Left)
</aside>
<section>
Content (Floated Left, Can Be Floated To Right As Well)
</section>
<!-- Cleari...