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Redis 的性能幻想与残酷现实 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...[1] antirez. Redis Documentation.
[2] antirez. Clarifications about Redis and Memcached.
[3] antirez. Lazy Redis is better Redis.
[4] antirez. On Redis, Memcached, Speed, Benchmarks and The Toilet.
[5] antirez. An update on the Memcached/Redis benchmark.
[6] dormando. Redis VS Memcached (slight...
How to use HTML Agility pack
...rseErrors != null && htmlDoc.ParseErrors.Count() > 0)
{
// Handle any parse errors as required
}
else
{
if (htmlDoc.DocumentNode != null)
{
HtmlAgilityPack.HtmlNode bodyNode = htmlDoc.DocumentNode.SelectSingleNode("//body");
if (bodyNode != null)
{
...
Make HTML5 video poster be same size as video itself
...ieve this (example); however, to have a background stretched to the height and the width of a video, you'll have to use an absolutely positioned <img> tag (example).
It is also possible to set background-size to 100% 100% in browsers that support background-size (example).
Update
A better wa...
Sort a single String in Java
...t the sort order is not optimal if you want to take into account uppercase and accents for example. This algorithm will sort "éDedCBcbAàa" as "ABCDabcdeàé" while, in English (US) locale for example, it would be more desirable to obtain "aAàbBcCdDeé".
– eljenso
...
Easy interview question got harder: given numbers 1..100, find the missing number(s) given exactly k
...
Here's a summary of Dimitris Andreou's link.
Remember sum of i-th powers, where i=1,2,..,k. This reduces the problem to solving the system of equations
a1 + a2 + ... + ak = b1
a12 + a22 + ... + ak2 = b2
...
a1k + a2k + ... + akk = bk
Using Newton's...
Fastest way to check if a file exist using standard C++/C++11/C?
I would like to find the fastest way to check if a file exist in standard C++11, C++, or C. I have thousands of files and before doing something on them I need to check if all of them exist. What can I write instead of /* SOMETHING */ in the following function?
...
Case-insensitive string comparison in C++ [closed]
...
Boost includes a handy algorithm for this:
#include <boost/algorithm/string.hpp>
// Or, for fewer header dependencies:
//#include <boost/algorithm/string/predicate.hpp>
std::string str1 = "hello, world!";
std::string str2 = "HELL...
Python: try statement in a single line
... in Python, like you would in some other dynamic languages. The safer way (and the prevailing style) is to set all variables to something. If they might not get set, set them to None first (or 0 or '' or something if it is more applicable.)
If you do assign all the names you are interested in fir...
Is passing 'this' in a method call accepted practice in java
...
There's no reason not to use it, this is the current instance and it's perfectly legitimate to use. In fact there's often no clean way to omit it.
So use it.
As it's hard to convince it's acceptable without example (a negative answer to such a question is always easier to argument), I...
How to get object size in memory? [duplicate]
... edited Mar 22 '18 at 14:12
Rand Random
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answered Jul 4 '10 at 3:08
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