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How can I convert String to Int?
I have a TextBoxD1.Text and I want to convert it to an int to store it in a database.
30 Answers
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How to chain scope queries with OR instead of AND?
I'm using Rails3, ActiveRecord
19 Answers
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How to TryParse for Enum value?
... want to write a function which can validate a given value (passed as a string) against possible values of an enum . In the case of a match, it should return the enum instance; otherwise, it should return a default value.
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How do I rename all folders and files to lowercase on Linux?
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A concise version using the "rename" command:
find my_root_dir -depth -exec rename 's/(.*)\/([^\/]*)/$1\/\L$2/' {} \;
This avoids problems with directories being renamed before files and trying to move files into non-existing directories (e.g...
how to programmatically fake a touch event to a UIButton?
I'm writing some unit tests and, because of the nature of this particular app, it's important that I get as high up the UI chain as possible. So, what I'd like to do is programmatically trigger a button-press, as if the user had pressed the button in the GUI .
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Detect the Enter key in a text input field
I'm trying to do a function if enter is pressed while on specific input.
10 Answers
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What is PostgreSQL explain telling me exactly?
MySQL's explain output is pretty straightforward. PostgreSQL's is a little more complicated. I haven't been able to find a good resource that explains it either.
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What is the difference between `new Object()` and object literal notation?
What is the difference between this constructor-based syntax for creating an object:
11 Answers
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How to return PDF to browser in MVC?
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Return a FileContentResult. The last line in your controller action would be something like:
return File("Chap0101.pdf", "application/pdf");
If you are generating this PDF dynamically, it may be better to use a MemoryStream, and create the document in memory i...
Checking for a null int value from a Java ResultSet
In Java I'm trying to test for a null value, from a ResultSet, where the column is being cast to a primitive int type.
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