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How do I create an Excel (.XLS and .XLSX) file in C# without installing Microsoft Office?
...asy to use. Plus it has a DataSetHelper that lets you use DataSets and DataTables to easily work with Excel data.
ExcelLibrary seems to still only work for the older Excel format (.xls files), but may be adding support in the future for newer 2007/2010 formats.
You can also use EPPlus, which work...
LINQ Using Max() to select a single row
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I don't see why you are grouping here.
Try this:
var maxValue = table.Max(x => x.Status)
var result = table.First(x => x.Status == maxValue);
An alternate approach that would iterate table only once would be this:
var result = table.OrderByDescending(x => x.Status).First();
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When should you not use virtual destructors?
...mean every allocated object increases in memory cost by a virtual function table pointer.
So if your program involves allocating a very large number of some object, it would be worth avoiding all virtual functions in order to save the additional 32 bits per object.
In all other cases, you will sav...
How to set a default value for a datetime column to record creation time in a migration?
Consider the table creation script below:
7 Answers
7
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Render Partial View Using jQuery in ASP.NET MVC
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@Zapnologica - if you're reloading the entire table, you might need to reapply the plugin since the DOM elements it was originally connected to have been replaced. It might be better to connect it to a method that returns the data as JSON, datatables.net/examples/data_so...
Equivalent of *Nix 'which' command in PowerShell?
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i like running: Get-Command <command> | Format-Table Path, Name so i can get the path where the command sits too.
– jrsconfitto
Nov 27 '12 at 15:17
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Database development mistakes made by application developers [closed]
... auto-incrementing fields (SQL Server, MySQL, others) or sequences (most notably Oracle).
In my opinion you should always use surrogate keys. This issue has come up in these questions:
How do you like your primary keys?
What's the best practice for primary keys in tables?
Which format of primary...
Update all values of a column to lowercase
...v.mysql.com/doc/refman/5.0/en/string-functions.html#function_lower
UPDATE table_name SET tag = LOWER(tag)
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How do you rename a MongoDB database?
...pyDatabase('testing','movies');
So in this context all the collections (tables) of testing will be copied to movies database.
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How to add multiple columns to a table in Postgres?
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Try this :
ALTER TABLE table ADD COLUMN col1 int, ADD COLUMN col2 int;
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