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初窥InnoDB的Memcached插件 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...例子都是通过命令行执行的，但是大家很容易就更改写成PHP之类的方法。
限制
Memcached插件用起来非常简单，不过并不是一切都很完美，比如说：当我们配置表的时候，containers表的字段，除了key_columns和value_columns以外，其它的...
How to replace a character with a newline in Emacs?
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@JonathanArkell That's a description how it works, but not why. Within the editor, Ret produces 0x0a, so why should it produce 0x0d in quoted-insert? That doesn't make any sense. (Just because the internal keyboard code is 0x0d for historical reason...
Git fetch remote branch
... answer, which is explained in detail in the first section of the checkout description and later in the options section under the explanation of --track, since it's a one-liner. Well... sort of a one-liner, because you would still have to run git fetch <remote> first.
FYI: The order of the &l...
How do I force detach Screen from another SSH session?
... answer
Background: When I was looking for the solution with same problem description, I have always landed on this answer. I would like to provide more sensible solution. (For example: the other attached screen has a different size and a I cannot force resize it in my terminal.)
Note: PREFIX i...
C++: what regex library should I use? [closed]
...+11 - Do the tutorial: http://www.codeguru.com/cpp/cpp/cpp_mfc/stl/article.php/c15339
Note:
At the time of writing the only c++11 regex library that I know works is the clang/llvm one, and only works on Mac. The GNU still doesn't implement regex yet. I don't know about Visual Studio. Most people st...
Asynchronously load images with jQuery
...d a REST image service. If you have your own webservice, you can add a JSP/PHP REST script that offers images in Base64 encoding. Now how is that useful? I came across a cool new syntax for image encoding:
<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhE..."/>
So you can load the Image...
What's the difference between “static” and “static inline” function?
...ts unused function warnings. I'd appreciate if someone will share links to description of that.
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How to match “any character” in regular expression?
...Escaping:
Double escaping is not required for some languages such as, C#, PHP, Ruby, PERL, Python, JavaScript:
[\s\S]*
[\d\D]*
[\w\W]*
[\s\S]+
[\d\D]+
[\w\W]+
Test
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class RegularExpression{
public static void main(Stri...
Getting the first and last day of a month, using a given DateTime object
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Generally avoid code-only answers. Consider adding a description that helps to explain your code. Thanks
– MickyD
Mar 26 '15 at 1:17
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What datatype to use when storing latitude and longitude data in SQL databases? [duplicate]
...ed to to is store coordinates and retrieve those to do some math with.
in php those 2 functions look like
function LatitudeSmallToFloat($LatitudeSmall){
if(($LatitudeSmall>0)&&($LatitudeSmall>>31))
$LatitudeSmall=-(0x7FFFFFFF-($LatitudeSmall&0x7FFFFFFF))-1;
return ...