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How do I 'git diff' on a certain directory?
...elative to your current directory. Without the --, git will guess what you mean, [commit-ish] or [path]. In some cases, this causes git to say the notation is 'ambiguous'. If I remember correctly.
– L0LN1NJ4
Aug 12 '14 at 13:00
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Checking to see if a DateTime variable has had a value assigned
Is there an easy way within C# to check to see if a DateTime instance has been assigned a value or not?
9 Answers
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What is the best way to determine the number of days in a month with JavaScript?
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this syntax has been confusing me for a while. To follow the JS pattern I'll recommend to implement the trick like this: return new Date(year, month + 1, 0).getDate();
– fguillen
Jul 24 '12 at 8:12
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Very large matrices using Python and NumPy
NumPy is an extremely useful library, and from using it I've found that it's capable of handling matrices which are quite large (10000 x 10000) easily, but begins to struggle with anything much larger (trying to create a matrix of 50000 x 50000 fails). Obviously, this is because of the massive memo...
How to set a value to a file input in HTML?
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You cannot, due to security reasons.
Imagine:
<form name="foo" method="post" enctype="multipart/form-data">
<input type="file" value="c:/passwords.txt">
</form>
<script>document.foo.submit();</script>
You don't want the websites you visit to be a...
How to compare two NSDates: Which is more recent?
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Let's assume two dates:
NSDate *date1;
NSDate *date2;
Then the following comparison will tell which is earlier/later/same:
if ([date1 compare:date2] == NSOrderedDescending) {
NSLog(@"date1 is later than date2");
} else if ([dat...
Modifying a subset of rows in a pandas dataframe
Assume I have a pandas DataFrame with two columns, A and B. I'd like to modify this DataFrame (or create a copy) so that B is always NaN whenever A is 0. How would I achieve that?
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Android: View.setID(int id) programmatically - how to avoid ID conflicts?
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According to View documentation
The identifier does not have to be unique in this view's hierarchy. The identifier should be a positive number.
So you can use any positive integer you like, but in this case there can be some views with equi...
APT command line interface-like yes/no input?
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As you mentioned, the easiest way is to use raw_input() (or simply input() for Python 3). There is no built-in way to do this. From Recipe 577058:
import sys
def query_yes_no(question, default="yes"):
"""Ask a yes/no question ...