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What does 'wb' mean in this code, using Python?

Code: 3 Answers 3 ...
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Python: using a recursive algorithm as a generator

Recently I wrote a function to generate certain sequences with nontrivial constraints. The problem came with a natural recursive solution. Now it happens that, even for relatively small input, the sequences are several thousands, thus I would prefer to use my algorithm as a generator instead of usin...
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What is the C# equivalent to Java's isInstance()?

I know of is and as for instanceof , but what about the reflective isInstance() method? 5 Answers ...
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How does one use rescue in Ruby without the begin and end block

I know of the standard technique of having a begin rescue end 5 Answers 5 ...
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Rails: How to list database tables/objects using the Rails console?

I was wondering if you could list/examine what databases/objects are available to you in the Rails console. I know you can see them using other tools, I am just curious. Thanks. ...
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How to indicate param is optional using inline JSDoc?

According to the JSDoc wiki for @param you can indicate a @param is optional using 4 Answers ...
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TypeError: sequence item 0: expected string, int found

I am attempting to insert data from a dictionary into a database. I want to iterate over the values and format them accordingly, depending on the data type. Here is a snippet of the code I am using: ...
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Count cells that contain any text

I want to count the cells that contain anything within a range. Any cell that contain text, or numbers or something else should do a plus one in my result-cell. ...
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NULL vs nil in Objective-C

In observeValueForKeyPath:ofObject:change:context: - why do the docs use NULL instead of nil when not specifying a context pointer? ...
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How to pass multiple parameters in a querystring

I have three values which I have to pass as parameters for e.g., strID , strName and strDate . 6 Answers ...