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“Parameter” vs “Argument” [duplicate]
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A parameter is the variable which is part of the method’s signature (method declaration). An argument is an expression used when calling the method.
Consider the following code:
void Foo(int i, float f)
{
// Do things
}
void Bar()
{
in...
Why does javascript replace only first instance when using replace? [duplicate]
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You need to set the g flag to replace globally:
date.replace(new RegExp("/", "g"), '')
// or
date.replace(/\//g, '')
Otherwise only the first occurrence will be replaced.
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What is the pythonic way to unpack tuples? [duplicate]
...t = datetime.datetime(*t[0:7])
This is called unpacking a tuple, and can be used for other iterables (such as lists) too. Here's another example (from the Python tutorial):
>>> range(3, 6) # normal call with separate arguments
[3, 4, 5]
>>> args = [3, 6]
>>>...
FFmpeg C API documentation/tutorial [closed]
...e the FFmpeg C API. It seems that only command line documentation is available.
5 Answers
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count(*) vs count(column-name) - which is more correct? [duplicate]
... rows
COUNT(column) counts non-NULLs only
COUNT(1) is the same as COUNT(*) because 1 is a non-null expressions
Your use of COUNT(*) or COUNT(column) should be based on the desired output only.
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Difference between parameter and argument [duplicate]
Is there a difference between a "parameter" and an "argument", or are they simply synonyms?
4 Answers
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how to check if a file is a directory or regular file in python? [duplicate]
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os.path.isfile("bob.txt") # Does bob.txt exist? Is it a file, or a directory?
os.path.isdir("bob")
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Altering a column to be nullable
I want to alter a table column to be nullable. I have used:
10 Answers
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HttpServletRequest get JSON POST data [duplicate]
...POST parameters in a servlet the same way:
request.getParameter("cmd");
But only if the POST data is encoded as key-value pairs of content type: "application/x-www-form-urlencoded" like when you use a standard HTML form.
If you use a different encoding schema for your post data, as in your case ...
Java : Comparable vs Comparator [duplicate]
What are the keys differences between Comparable and Comparator.
2 Answers
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