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How to get a random value from dictionary in python
How can I get a random pair from a dict ? I'm making a game where you need to guess a capital of a country and I need questions to appear randomly.
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How to write inline if statement for print?
I need to print some stuff only when a boolean variable is set to True . So, after looking at this , I tried with a simple example:
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How can I check if a directory exists in a Bash shell script?
What command can be used to check if a directory exists or not, within a Bash shell script?
35 Answers
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What is the difference between shallow copy, deepcopy and normal assignment operation?
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11 Answers
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How do I check to see if a value is an integer in MySQL?
I see that within MySQL there are Cast() and Convert() functions to create integers from values, but is there any way to check to see if a value is an integer? Something like is_int() in PHP is what I am looking for.
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.toArray(new MyClass[0]) or .toArray(new MyClass[myList.size()])?
Assuming I have an ArrayList
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Why can't overriding methods throw exceptions broader than the overridden method?
I was going through SCJP 6 book by Kathe sierra and came across this explanations of throwing exceptions in overridden method. I quite didn't get it. Can any one explain it to me ?
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How do I get the parent directory in Python?
Could someone tell me how to get the parent directory of a path in Python in a cross platform way. E.g.
19 Answers
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Casting a variable using a Type variable
In C# can I cast a variable of type object to a variable of type T where T is defined in a Type variable?
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append multiple values for one key in a dictionary [duplicate]
I am new to python and I have a list of years and values for each year. What I want to do is check if the year already exists in a dictionary and if it does, append the value to that list of values for the specific key.
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