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How to create a DataTable in C# and how to add rows?
...);
DataRow _ravi = dt.NewRow();
_ravi["Name"] = "ravi";
_ravi["Marks"] = "500";
dt.Rows.Add(_ravi);
To see the structure, or rather I'd rephrase it as schema, you can export it to an XML file by doing the following.
To export only the schema/structure, do:
dt.WriteXMLSchema("dtSchemaOrStructure....
How to escape single quotes in MySQL
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edited Oct 27 '12 at 22:10
answered May 20 '09 at 9:31
Rob...
Allowed characters in Linux environment variable names
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206
From The Open Group:
These strings have the form
name=value; names shall not contain
th...
How do I convert an existing callback API to promises?
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20 Answers
20
Active
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Test whether a glob has any matches in bash
...it'll get pre-expanded into matches.
Exit status is:
1 for no-match,
0 for 'one or more matches'
stdout is a list of files matching the glob.
I think this is the best option in terms of conciseness and minimizing potential side effects.
UPDATE: Example usage requested.
if compgen -G "/tmp/...
Android, ListView IllegalStateException: “The content of the adapter has changed but ListView did no
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120
I had the same issue.
I was adding items to my ArrayList outside the UI thread.
Solution: I ha...
Generating an Excel file in ASP.NET [closed]
...ning a non native Excel file
One worksheet per workbook
OpenXML (Office 2007 .XLSX)
Pros:
Native Excel format
Supports all Excel features
Do not require an install copy of Excel
Can generate Pivot tables
Can be generated using open source project EPPlus
Cons:
Limited compatibility outside ...
Calculate a MD5 hash from a string
...string.
It works well and generates a 32-character hex string like this:
900150983cd24fb0d6963f7d28e17f72
16 Answers
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How can I use optional parameters in a T-SQL stored procedure?
...gs of Dynamic SQL by Erland Sommarskog
If you have the proper SQL Server 2008 version (SQL 2008 SP1 CU5 (10.0.2746) and later), you can use this little trick to actually use an index:
Add OPTION (RECOMPILE) onto your query, see Erland's article, and SQL Server will resolve the OR from within (@La...
Is there a replacement for unistd.h for Windows (Visual C)?
...le console program written for Unix to the Windows platform ( Visual C++ 8.0 ). All the source files include "unistd.h", which doesn't exist. Removing it, I get complaints about misssing prototypes for 'srandom', 'random', and 'getopt'.
I know I can replace the random functions, and I'm pretty sure...