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CROSS JOIN vs INNER JOIN in SQL
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Cross join does not co<em>mem>bine the rows, if you have 100 rows in each table with 1 to 1 <em>mem>atch, you get 10.000 results, Innerjoin will only return 100 rows in the sa<em>mem>e situation.
These 2 exa<em>mem>ples will return the sa<em>mem>e result:
Cross join
select * fro...
What is the difference between the Hash<em>Mem>ap and <em>Mem>ap objects in Java?
What is the difference between the following <em>mem>aps I create (in another question, people answered using the<em>mem> see<em>mem>ingly interchangeably and I'<em>mem> wondering if/how they are different):
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Insert picture/table in R <em>Mem>arkdown [closed]
So I want to insert a table AND a picture into R <em>Mem>arkdown. In regular word docu<em>mem>ent I can just easily insert a table (5 rows by 2 colu<em>mem>ns), and for the picture just copy and paste.
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Is it possible to read the value of a annotation in java?
this is <em>mem>y code:
9 Answers
9
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Regex to <em>mem>atch string containing two na<em>mem>es in any order
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You can do checks using lookarounds:
^(?=.*\bjack\b)(?=.*\bja<em>mem>es\b).*$
Test it.
This approach has the advantage that you can easily specify <em>mem>ultiple conditions.
^(?=.*\bjack\b)(?=.*\bja<em>mem>es\b)(?=.*\bjason\b)(?=.*\bjules\b).*$
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Is it good practice to use java.lang.String.intern()?
The Javadoc about String.intern() doesn't give <em>mem>uch detail. (In a nutshell: It returns a canonical representation of the string, allowing interned strings to be co<em>mem>pared using == )
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What is a C++ delegate?
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You have an incredible nu<em>mem>ber of choices to achieve delegates in C++. Here are the ones that ca<em>mem>e to <em>mem>y <em>mem>ind.
Option 1 : functors:
A function object <em>mem>ay be created by i<em>mem>ple<em>mem>enting operator()
struct Functor
{
// Nor<em>mem>al class/struct <em>mem>e<em>mem>bers
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What are the rules for evaluation order in Java?
I a<em>mem> reading so<em>mem>e Java text and got the following code:
5 Answers
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How can I build X<em>Mem>L in C#?
How can I generate valid X<em>Mem>L in C#?
9 Answers
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How to get the nth occurrence in a string?
... like to get the starting position of the 2nd occurrence of ABC with so<em>mem>ething like this:
11 Answers
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