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Manipulate a url string by adding GET parameters
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This approach is good when you know that 'category' parameter is not already in the URL. If the parameter is in a URL already then PHP should take the value of the last occurrence of the parameter in the URL, so the solution of @andrewtweber still works. Ye...
Authorize Attribute with Multiple Roles
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Now that's an idea worthy of Mac Gyver ;)
– Christian Sauer
Jun 12 '14 at 10:47
2
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Calling constructors in c++ without new
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Both lines are in fact correct but do subtly different things.
The first line creates a new object on the stack by calling a constructor of the format Thing(const char*).
The second one is a bit more complex. It essentially does the following
Create an object of...
Principal component analysis in Python
...o 90 %, 95 % ...
p.npc: number of principal components,
e.g. 2 if the top 2 eigenvalues are >= `fraction` of the total.
It's ok to change this; methods use the current value.
Methods:
The methods of class PCA transform vectors or arrays of e.g.
20 variables, 2 princip...
What's Alternative to Singleton
...h as Spring or Guice? (I believe Spring also is available for .NET as well now).
That way, the framework can hold a single copy of the configuration objects, and your beans (services, DAOs, whatever) don't have to worry about looking it up.
This is the approach I usually take!
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Context switches much slower in new linux kernels
...om intel_idle to acpi_idle with just the first boot option, please let me know if the second option, processor.max_cstate did what it was documented to do in the comments so that I can update this answer.
Finally, the last of the three parameters, idle=poll is a real power hog. It will disable C1/C...
Correct use of Multimapping in Dapper
...item.Customer.CustomerId.IsEqualTo(1);
The splitOn param needs to be specified as the split point, it defaults to Id. If there are multiple split points, you will need to add them in a comma delimited list.
Say your recordset looks like this:
ProductID | ProductName | AccountOpened | CustomerI...
List changes unexpectedly after assignment. How do I clone or copy it to prevent this?
While using new_list = my_list , any modifications to new_list changes my_list everytime. Why is this, and how can I clone or copy the list to prevent it?
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How to change the default collation of a table?
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@JasomDotnet you should now use utf8mb4_unicode_ci stackoverflow.com/questions/766809/…
– baptx
Aug 7 '16 at 17:57
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How to allow to accept only image files?
...turn;
}
// here you can do whatever you want with your image. Now you are sure that it is an image
}
}