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MySQL integer field is returned as string in PHP
...ing PHP the datatype will always be converted to a string. You can convert it back to an integer using the following code:
$id = (int) $row['userid'];
Or by using the function intval():
$id = intval($row['userid']);
share...
Formula px to dp, dp to px android
I am trying to calculate a variable amount of pixels to density independent pixels and vice-versa.
20 Answers
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ASP.NET Bundles how to disable minification
...d I just don't want my bundles minified, but nothing I do seems to disable it. I've tried enableoptimisations=false , here is my code:
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How to find third or nth maximum salary from salary table?
...se ROW_NUMBER(if you want a single) or DENSE_RANK(for all related rows):
WITH CTE AS
(
SELECT EmpID, EmpName, EmpSalary,
RN = ROW_NUMBER() OVER (ORDER BY EmpSalary DESC)
FROM dbo.Salary
)
SELECT EmpID, EmpName, EmpSalary
FROM CTE
WHERE RN = @NthRow
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hexadecimal string to byte array in python
...ex String into a byte array so that I can shift each value out and convert it into its proper data type.
8 Answers
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JavaScript “new Array(n)” and “Array.prototype.map” weirdness
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It appears that the first example
x = new Array(3);
Creates an array with undefined pointers.
And the second creates an array with pointers to 3 undefined objects, in this case the pointers them self are NOT undefined, on...
Split by comma and strip whitespace in Python
I have some python code that splits on comma, but doesn't strip the whitespace:
11 Answers
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time.sleep — sleeps thread or process?
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It blocks the thread. If you look in Modules/timemodule.c in the Python source, you'll see that in the call to floatsleep(), the substantive part of the sleep operation is wrapped in a Py_BEGIN_ALLOW_THREADS and Py_END_ALLOW...
Error 330 (net::ERR_CONTENT_DECODING_FAILED):
...
It happens when your HTTP request's headers claim that the content is gzip encoded, but it isn't.
Turn off gzip encoding setting or make sure the content is in fact encoded.
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Ways to save enums in database
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We never store enumerations as numerical ordinal values anymore; it makes debugging and support way too difficult. We store the actual enumeration value converted to string:
public enum Suit { Spade, Heart, Diamond, Club }
Suit theSuit = Suit.Heart;
szQuery = "INSERT INTO Customers (Nam...