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How to find the installed pandas version
...trouble with some of pandas functionalities. How do I check what is my installation version?
6 Answers
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How to add an integer to each element in a list?
...ition, but if you have a more complex function that you needed to apply to all the elements then map may be a good fit.
In your example it would be:
>>> map(lambda x:x+1, [1,2,3])
[2,3,4]
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Why is 'this' a pointer and not a reference?
...ect to get a pointer to itself. If it was a reference, we'd have to write &this. On the other hand, when we write an assignment operator we have to return *this, which would look simpler as return this. So if you had a blank slate, you could argue it either way. But C++ evolved gradually in resp...
Are there legitimate uses for JavaScript's “with” statement?
...ous as to how I might make effective use of with , while avoiding its pitfalls.
31 Answers
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How to create P12 certificate for iOS distribution
...Let me specify key pair information”
Click Continue
Choose a filename & destination on your hard drive
Click Save
In the next window, set “Key Size” value to “2048 bits”
Set “Algorithm” to “RSA”
Click Continue
This will create and save your certSigningRequest file (CSR) to yo...
'Specified condition “$(PackageAsSingleFile)” evaluates to “” instead of a boolean?
...ing) workaround for this type of deploy issues, if you have tried closing & opening VS with no luck, try to close all open document prior to the publish process.
weird huh? :)
so the complete fix-it guide for this type of issues would be like the following:
Try "Clean" then rebuild
If it's st...
How can I force division to be floating point? Division keeps rounding down to 0?
... a floating point number in Python in the following?
c = a / b
What is really being asked here is:
"How do I force true division such that a / b will return a fraction?"
Upgrade to Python 3
In Python 3, to get true division, you simply do a / b.
>>> 1/2
0.5
Floor division, the classic di...
How to implement an abstract class in ruby?
I know there is no concept of abstract class in ruby. But if at all it needs to be implemented, how to go about it? I tried something like...
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How do I show the value of a #define at compile-time?
...ring. When there is more than one component to the argument then they must all be strings so that string concatenation can be applied. The preprocessor can never assume that an unquoted string should be treated as if it were quoted. If it did then:
#define ABC 123
int n = ABC;
would not compile.
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sed edit file in place
... content into a new file and then renames it behind the scenes, anyway.
Example:
sed -i 's/STRING_TO_REPLACE/STRING_TO_REPLACE_IT/g' filename
and
sed -i '' 's/STRING_TO_REPLACE/STRING_TO_REPLACE_IT/g' filename
on macOS.
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