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IF… OR IF… in a windows batch file

Is there a way to write an IF OR IF conditional statement in a windows batch-file? 14 Answers ...
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Turn a string into a valid filename?

I have a string that I want to use as a filename, so I want to remove all characters that wouldn't be allowed in filenames, using Python. ...
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Why does dividing two int not yield the right value when assigned to double?

How come that in the following snippet 10 Answers 10 ...
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What is polymorphism, what is it for, and how is it used?

What is polymorphism, what is it for, and how is it used? 28 Answers 28 ...
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Difference between __str__ and __repr__?

What is the difference between __str__ and __repr__ in Python? 23 Answers 23 ...
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jQuery.parseJSON throws “Invalid JSON” error due to escaped single quote in JSON

I’m making requests to my server using jQuery.post() and my server is returning JSON objects (like { "var": "value", ... } ). However, if any of the values contains a single quote (properly escaped like \' ), jQuery fails to parse an otherwise valid JSON string. Here’s an example of what I m...
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Should I commit or rollback a read transaction?

I have a read query that I execute within a transaction so that I can specify the isolation level. Once the query is complete, what should I do? ...
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Dynamically creating keys in a JavaScript associative array

All the documentation I've found so far is to update keys that are already created: 9 Answers ...
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What are Long-Polling, Websockets, Server-Sent Events (SSE) and Comet?

I have tried reading some articles, but I am not very clear on the concepts yet. 4 Answers ...
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Why would you use an ivar?

I usually see this question asked the other way, such as Must every ivar be a property? (and I like bbum's answer to this Q). ...