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Best ways to teach a beginner to program? [closed]
...nd gaze into the Abyss. Start by writing a circular buffer and a stack for string manipulation. Then work your way up.
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edited Mar 28 '12 at 19:16
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Fast way of counting non-zero bits in positive integer
...der to understand how this works imagine that you divide the entire 64-bit string into 64 1-bit buckets. Each bucket's value is equal to the number of bits set in the bucket (0 if no bits are set and 1 if one bit is set). The first transformation results in an analogous state, but with 32 buckets ea...
Android - shadow on text?
... TextView item = new TextView(getApplicationContext());
item.setText(R.string.text);
item.setTextColor(getResources().getColor(R.color.general_text_color));
item.setShadowLayer(0.01f, -2, 2, getResources().getColor(R.color.text_shadow_color));
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What is meant by “managed” vs “unmanaged” resources in .NET?
...e your code thusly:
using (var connection = new SqlConnection("connection_string_here"))
{
// Code to use connection here
}
As this ensures that .Dispose() is called on the connection object, ensuring that any unmanaged resources are cleaned up.
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How is OAuth 2 different from OAuth 1?
... API, which didn't require the application to HMAC hash tokens and request strings. With OAuth 2.0, the application can make a request using only the issued token over HTTPS.
OAuth 2.0 signatures are much less complicated. No more special parsing, sorting, or encoding.
OAuth 2.0 Access tokens are...
What is the most efficient Java Collections library? [closed]
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Not sure if we don't use int as key,just normal String. What will be the workbench result for them?
– Clark Bao
Aug 14 '11 at 2:18
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Intercept page exit event
...some time to finish saving data');
};
break;
};
}; // no return string --> user will leave as normal but data is send to server
Edit:
See also Synchronous_AJAX and how to do that with jquery
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how to split the ng-repeat data with three columns using bootstrap
...[1,2,3]; var y = [1,2,3]; console.log(x === y); Deep checking means either stringifying and comparing strings, which is risky because an object may not be stringifiable, or recursively checking each property individually. I think Angular could implement that for filters, but I'm sure there's good re...
Give all the permissions to a user on a DB
...-- use instead of EXECUTE to see generated commands
EXECUTE (
SELECT string_agg(format('GRANT USAGE ON SCHEMA %I TO my_user', nspname), '; ')
FROM pg_namespace
WHERE nspname <> 'information_schema' -- exclude information schema and ...
AND nspname NOT LIKE 'pg\_%' -...
How can you represent inheritance in a database?
...t a table with only the common field and add a single column with the JSON string that contains all the subtype specific fields.
I have tested this design for manage inheritance and I am very happy for the flexibility that I can use in the relative application.
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