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Using try vs if in python

Is there a rationale to decide which one of try or if constructs to use, when testing variable to have a value? 9 Ans...
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Change column type from string to float in Pandas

... You have four main options for converting types in pandas: to_numeric() - provides functionality to safely convert non-numeric types (e.g. strings) to a suitable numeric type. (See also to_datetime() and to_timedelta().) astype() - convert (almost) an...
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Just what is an IntPtr exactly?

...IntPtr type; every time it has needed to be used I have simply put null or IntPtr.Zero and found most functions to work. What exactly is it and when/why is it used? ...
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Running shell command and capturing the output

... shell command and return its output as a string , no matter, is it an error or success message. I just want to get the same result that I would have gotten with the command line. ...
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Checking if a variable is not nil and not zero in ruby

... Use 'or' instead of || – Orion Edwards Nov 2 '08 at 4:57 94 ...
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What is JavaScript's highest integer value that a number can go to without losing precision?

...integral value of this type is Number.MAX_SAFE_INTEGER, which is: 253-1, or +/- 9,007,199,254,740,991, or nine quadrillion seven trillion one hundred ninety-nine billion two hundred fifty-four million seven hundred forty thousand nine hundred ninety-one To put this in perspective: one quadrill...
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Prevent Bootstrap Modal from disappearing when clicking outside or pressing escape? [duplicate]

...ike to prevent the user from closing it when clicking outside of the modal or when pressing escape. Instead, I want it to be closed when the user presses the finish button. How could I achieve this scenario? ...
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Persistence unit as RESOURCE_LOCAL or JTA?

...ions have the choice of managing transactions themselves (RESOURCE_LOCAL), or having them managed by the application server's JTA implementation. In most cases, RESOURCE_LOCAL is fine. This would use basic JDBC-level transactions. The downside is that the transaction is local to the JPA persistence...
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JSON and XML comparison [closed]

... Before answering when to use which one, a little background: edit: I should mention that this comparison is really from the perspective of using them in a browser with JavaScript. It's not the way either data format has to be u...
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Stop node.js program from command line

I have a simple TCP server that listens on a port. 19 Answers 19 ...