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Which are more performant, CTE or temporary tables?
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Temp tables also allows for Indexes and even Statistics which are sometimes necessary, while a CTE does not.
– CodeCowboyOrg
Sep 4 '14 at 15:30
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Webrick as production server vs. Thin or Unicorn?
...e that has multiple components, and maybe one section is Rails, another is PHP, and rewrites are needed for both (i.e. rewrite old PHP paths to Rails)
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Getting the current Fragment instance in the viewpager
...er, which is used by the ViewPager.
@Override
public Fragment getItem(int index) {
Fragment myFragment = MyFragment.newInstance();
mPageReferenceMap.put(index, myFragment);
return myFragment;
}
To avoid keeping a reference to "inactive" fragment pages, you need to implement the Fragme...
Datetime equal or greater than today in MySQL
... Do not use functions on columns, it makes the query to ignore index, causing slow queries. Check my answer for alternative approach stackoverflow.com/a/42365426/4311336
– Bsienn
Aug 26 '19 at 13:00
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汇编常用寄存器及指令基础总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...址指针寄存器，可用作SS的一个相对基址位置
SI（Source Index）：源变址寄存器可用来存放相对于DS段之源变址指针
DI（Destination Index）：目的变址寄存器，可用来存放相对于 ES 段之目的变址指针
FR（Flag Register）：单独的十六位...
How can I default a parameter to Guid.Empty in C#?
...lt to a new object creates a new object every time the method is called in PHP; but only creates one object for the entire program in Python. Really, I consider this to be one of the very few design flaws of Python. I'm somewhat glad C# (and VB.Net) avoided this issue by simply disallowing new obj...
How can I have lowercase routes in ASP.NET MVC?
...{action}/{id}",
defaults: new { controller = "Home", action = "Index", id = UrlParameter.Optional }
);
}
Also assuming you are doing this for SEO reasons you want to redirect incoming urls to lowercase (as said in many of the links off this article).
protected void Applica...
sed beginner: changing all occurrences in a folder
...r own code. SO is not a coding service, but a resource for knowledge. High quality, complete answers reinforce this idea, and are more likely to be upvoted. These features, plus the requirement that all posts be self-contained, are some strengths of SO as a platform that differentiates us from forum...
How to search for occurrences of more than one space between words in a line
...ase it's a good practice to add ? , like this .*?. It happened to me using PHP's PCRE
– AlexanderMP
Sep 21 '10 at 9:35
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How to select all records from one table that do not exist in another table?
Query:
12 Answers
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