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Real life example, when to use OUTER / CROSS APPLY in SQL
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@mr_eclair looks like it is now at itprotoday.com/software-development/…
– Martin Smith
May 19 '18 at 10:22
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Copy rows from one Datatable to another DataTable?
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Supported in: 4, 3.5 SP1, you can now just call a method on the object.
DataTable dataTable2 = dataTable1.Copy()
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How to get cumulative sum
...ata -->
Create Table CUMULATIVESUM (id tinyint , SomeValue tinyint)
**Now let put some data in the table**
Insert Into CUMULATIVESUM
Select 1, 10 union
Select 2, 2 union
Select 3, 6 union
Select 4, 10
here I am joining same table (SELF Joining)
Select c1.ID, c1.SomeValue, c2.SomeValue
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How to upgrade all Python packages with pip?
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Right :( The issue now lives at github.com/pypa/pip/issues/59 . But every suggestion seems to be answered with "Yeah, but I'm too sure if X is the right way to do Y"... Now is better than never? Practicality beats purity? :(
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Getting “Lock wait timeout exceeded; try restarting transaction” even though I'm not using a transac
...n. If I could give this guy 100 up votes for this issue which I had to fix NOW I would.
– Lizardx
May 26 '16 at 21:44
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“Could not find any information for class named ViewController”
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@Michael, Yes, now I'm in a situation where none of the above works at all. Xcode is a ***
– Chris Harrison
Feb 6 '15 at 9:43
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What MySQL data type should be used for Latitude/Longitude with 8 decimal places?
... 1.1mm; what about 7 and 6 ? (I'm not good at maths). I'm using double for now but would like to check if I could gain in distance calculations by changing type. Thank you.
– Alain Zelink
Feb 26 '16 at 12:50
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How do function pointers in C work?
... which receives 2 ints and returns an int:
int (*functionPtr)(int,int);
Now we can safely point to our function:
functionPtr = &addInt;
Now that we have a pointer to the function, let's use it:
int sum = (*functionPtr)(2, 3); // sum == 5
Passing the pointer to another function is basica...
www-data permissions?
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didn't know about g+s. very very handy!
– FRAGA
Mar 20 '14 at 18:59
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Do we need semicolon at the end? [duplicate]
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The concept is known as JavaScript Semicolon Insertion or "Automatic Semicolon Insertion". This blog post: JavaScript Semicolon Insertion: Everything you need to know outlines the concept well in an understandable manner using examples unde...