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How to create relationships in MySQL
In class, we are all 'studying' databases, and everyone is using Access. Bored with this, I am trying to do what the rest of the class is doing, but with raw SQL commands with MySQL instead of using Access.
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java.sql.SQLException: - ORA-01000: maximum open cursors exceeded
...the maximum-open-cursors error, is an extremely common error in Oracle database development. In the context of Java, it happens when the application attempts to open more ResultSets than there are configured cursors on a database instance.
Common causes are:
Configuration mistake
You have more ...
ASP.NET Repeater bind List
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A more complete example based on the LINQ provided by @RobertoBr:
In code behind:
List<string> notes = new List<string>();
notes.Add("Value1")
notes.Add("Value2")
repeaterControl1.DataSource = from c in notes select new {NAME = c};
re...
How do I clone a GitHub wiki?
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Yes. You can set them to have read access based on whether they're a collaborator, but push permissions require them to be a collaborator. github.com/blog/774-git-powered-wikis-improved
– joseph.hainline
Nov 12 '13 at 20:27
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Normalize data in pandas
...basically say you have values [-5,1,10] in a sample, but want to normalize based on a range of -7 to 7 (so anything above 7, our "10" is treated as a 7 effectively) with a midpoint of 2, but shrink it to fit a 256 RGB colormap:
#In[1]
NormData([-5,2,10],low=-7,center=1,hi=7,shrinkfactor=2./256)
#Ou...
How to send emails from my Android application?
...ailto protocol intent (which are email apps only) and constructs a chooser based on that list of activities and the original ACTION_SEND intent with the correct mime type.
Another advantage is that Skype is not listed anymore (which happens to respond to the rfc822 mime type).
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How do I alter the position of a column in a PostgreSQL database table?
... the PostgreSQL Wiki says:
PostgreSQL currently defines column
order based on the attnum column of
the pg_attribute table. The only way
to change column order is either by
recreating the table, or by adding
columns and rotating data until you
reach the desired layout.
That's pretty...
Importing Maven project into Eclipse
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this is actually the most recommend solution as it is based on the maven pom-configuration and not on the derived, possibly outdated eclipse .project config
– hotzen
Jul 20 '16 at 7:21
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Benefits of header-only libraries
...aces or specific compiler issues. So I thought I would.
This is basically based on the concept of you either writing a library with a header to distribute to people or reuse yourself vs having everything in a header. If you are thinking of reusing a header and source files and recompiling these in ...
PHP parse/syntax errors; and how to solve them
...cal syntax error message reads:
Parse error: syntax error, unexpected T_STRING, expecting ';' in file.php on line 217
Which lists the possible location of a syntax mistake. See the mentioned file name and line number.
A moniker such as T_STRING explains which symbol the parser/tokenizer could...