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How to set a default value for a datetime column to record creation time in a migration?
Consider the table creation script below:
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What is the difference between object keys with quotes and without quotes?
Is there any difference between
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Saving a Numpy array as an image
I have a matrix in the type of a Numpy array. How would I write it to disk it as an image? Any format works (png, jpeg, bmp...). One important constraint is that PIL is not present.
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How to loop through file names returned by find?
if I run the above piece of code in Bash shell, what I get is a string containing several file names separated by blank, not a list.
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Centering a div block without the width
I have a problem when I try to center the div block "products" because I don't know in advance the div width. Anybody have a solution?
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How do I specify a pointer to an overloaded function?
I want to pass an overloaded function to the std::for_each() algorithm. For example,
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Can you write nested functions in JavaScript?
I am wondering if JavaScript supports writing a function within another function, or nested functions (I read it in a blog). Is this really possible?. In fact, I have used these but am unsure of this concept. I am really unclear on this -- please help!
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How do I delete multiple rows in Entity Framework (without foreach)
I'm deleting several items from a table using Entity Framework. There isn't a foreign key / parent object so I can't handle this with OnDeleteCascade.
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Selecting only first-level elements in jquery
How can I select the link elements of only the parent <ul> from a list like this?
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Why does Hibernate require no argument constructor?
I got this hand-wavy answer but could somebody explain further? Thanks
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