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Add column to SQL Server
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Use this query:
ALTER TABLE tablename ADD columname DATATYPE(size);
And here is an example:
ALTER TABLE Customer ADD LastName VARCHAR(50);
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C++: variable 'std::ifstream ifs' has initializer but incomplete type
...is is pretty noobish, but I'm pretty new to C++. I'm trying to open a file and read it using ifstream :
1 Answer
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MySQL Select minimum/maximum among two (or more) given values
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You can use LEAST and GREATEST function to achieve it.
SELECT
GREATEST(A.date0, B.date0) AS date0,
LEAST(A.date1, B.date1) AS date1
FROM A, B
WHERE B.x = A.x
Both are described here http://dev.mysql.com/doc/refman/5.0/en/comparison-...
C++, variable declaration in 'if' expression
...if (int a = Func1(), b = Func2(); a && b)
{
// Do stuff with a and b.
}
Note the use of ; of instead of , to separate the declaration and the actual condition.
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pandas three-way joining multiple dataframes on columns
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Assumed imports:
import pandas as pd
John Galt's answer is basically a reduce operation. If I have more than a handful of dataframes, I'd put them in a list like this (generated via list comprehensions or loops or whatnot):
dfs = [df0, df1, df2, ...
How to use ng-repeat for dictionaries in AngularJs?
...wered Aug 16 '12 at 11:37
Artem AndreevArtem Andreev
19.7k55 gold badges4141 silver badges4141 bronze badges
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How do I explicitly specify a Model's table-name mapping in Rails?
I have a Model class called Countries and I want it to map to a DB table called 'cc'.
2 Answers
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Remove/Add Line Breaks after Specific String using Sublime Text
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Here's how you'd do it on a Mac:
Command+F > type string > Control+Command+G > ESC > Right Arrow > line break
and Windows/Linux (untested):
Control+F > type string > Alt+F3 > ESC > Right Arrow > line break
The important par...
C#: List All Classes in Assembly
...ance hangs for what feels like indefinitely. I tried a small 9 KB assembly and it worked just fine. I know what you are thinking - why do you have a 13.8 MB assembly - it is part of my data layer generated using a NetTeirs template. We have many tables.
– dyslexicanaboko
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LINQ Orderby Descending Query
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You need to choose a Property to sort by and pass it as a lambda expression to OrderByDescending
like:
.OrderByDescending(x => x.Delivery.SubmissionDate);
Really, though the first version of your LINQ statement should work. Is t.Delivery.SubmissionDate act...