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Check if a temporary table exists and delete if it exists before creating a temporary table
...ollowing code to check if the temporary table exists and drop the table if it exists before creating again. It works fine as long as I don't change the columns. If I add a column later, it will give an error saying "invalid column". Please let me know what I am doing wrong.
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How do I detect whether a Python variable is a function?
I have a variable, x , and I want to know whether it is pointing to a function or not.
25 Answers
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How to check if a string is a valid date
I have a string: "31-02-2010" and want to check whether or not it is a valid date.
What is the best way to do it?
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What is a higher kinded type in Scala?
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Let me make up for starting some of this confusion by pitching in with some disambiguation. I like to use the analogy to the value level to explain this, as people tend to be more familiar with it.
A type constructor is a type that you can apply to type arguments to "construct"...
How to Implement DOM Data Binding in JavaScript
...related DOM element, and provides an interface that coordinates updates to its own data and its related element.
The .addEventListener() provides a very nice interface for this. You can give it an object that implements the eventListener interface, and it'll invoke its handlers with that object as ...
What does “Auto packing the repository for optimum performance” mean?
I'm having a problem with my git repo. For the last couple of days whenever I do a push to the server I get this message: "Auto packing the repository for optimum performance", and it does not seem to go away and return the shell.
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Is it a bad practice to use an if-statement without curly braces? [closed]
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The problem with the first version is that if you go back and add a second statement to the if or else clauses without remembering to add the curly braces, your code will break in unexpected and amusing ways.
Maintainability-wise, it's a...
REST API Best practices: Where to put parameters? [closed]
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edited Mar 28 '12 at 5:47
Ted M. Young
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How do you run JavaScript script through the Terminal?
...to run a C program make filename then ./ filename . How do you do this with .js files?
15 Answers
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If REST applications are supposed to be stateless, how do you manage sessions?
...bout REST, and building RESTful applications. According to wikipedia, REST itself is defined to be Representational State Transfer . I therefore don't understand all this stateless gobbledeygook that everyone keeps spewing.
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