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In Python, using argparse, allow only positive integers
...s should be possible utilizing type. You'll still need to define an actual method that decides this for you:
def check_positive(value):
ivalue = int(value)
if ivalue <= 0:
raise argparse.ArgumentTypeError("%s is an invalid positive int value" % value)
return ivalue
parser = ...
Java serialization: readObject() vs. readResolve()
... provide a pretty good explanation on how and when to use the readObject() method when working with serializable Java classes. The readResolve() method, on the other hand, remains a bit of a mystery. Basically all documents I found either mention only one of the two or mention both only individually...
How can I see incoming commits in git? [duplicate]
...tat origin/master to see the diffstat that git pull shows after succesfull merge.
– Jakub Narębski
Aug 27 '09 at 10:03
2
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HTML tag affecting line height, how to make it consistent?
...d it, thanks. Even a massive line-height 300%+ does not fix it in IE8, Chrome 3 or FF 3.5. I still get 1-2px of difference.
– Andrew Bullock
Oct 7 '09 at 10:44
...
Why is Python running my module when I import it, and how do I stop it?
...ch as class and def are not declarations. Instead, they are real live statements which are executed. If they were not executed your module would be .. empty :-)
Anyway, the idiomatic approach is:
# stuff to run always here such as class/def
def main():
pass
if __name__ == "__main__":
# stu...
SFTP in Python? (platform independent)
...
Thank you. It took me a while to figure out how to install the package due to the lack of installation instructions in the readme but it was exactly what I needed!
– Mark Wilbur
Jan 11 '09 at 11:57
...
How to replace DOM element in place using Javascript?
I am looking to replace an element in the DOM.
For example, there is an <a> element that I want to replace with a <span> instead.
...
How do I insert NULL values using PDO?
...Param takes a variable, to reference, and doesn't pull in a value at the time of calling bindParam. I found this in a comment on the php docs:
bindValue(':param', null, PDO::PARAM_INT);
EDIT: P.S. You may be tempted to do this bindValue(':param', null, PDO::PARAM_NULL); but it did not work for ev...
How to list all methods for an object in Ruby?
How do I list all the methods that a particular object has access to?
8 Answers
8
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How to call another controller Action From a controller in Mvc
...oller B action FileUploadMsgView from Controller A and need to pass a parameter for it.
10 Answers
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