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How do I install the yaml package for Python?
... YAML. I attempted to install it on a new server using pip install yaml and it returns the following:
11 Answers
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Distinct in Linq based on only one field of the table
...t).Select(x => x.FirstOrDefault());
This will group the table by Text and use the first row from each groups resulting in rows where Text is distinct.
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Grepping a huge file (80GB) any way to speed it up?
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Here are a few options:
1) Prefix your grep command with LC_ALL=C to use the C locale instead of UTF-8.
2) Use fgrep because you're searching for a fixed string, not a regular expression.
3) Remove the -i option, if you don't need it.
So your command becomes:
LC_ALL=C ...
Python, add trailing slash to directory string, os independently
...os.path.join(path, '', '') or os.path.join(path_with_a_trailing_slash, '') and you will still only get one trailing slash.
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Android getting value from selected radiobutton
... gotten so far is not working. How do I get the value of the RadioButton and display it in a Toast ? This is my code:
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XPath: How to select nodes which have no attributes?
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To address Marek Czaplicki's comment and expand the answer
//node[not(@*) or not(string-length(@*))]
....will select all node elements with zero attributes OR which have attributes that are all empty. If it was just a particular attribute you are interested i...
How do I break out of a loop in Perl?
... edited Jan 5 '18 at 17:41
Alexander Roskamp
2766 bronze badges
answered Nov 19 '08 at 20:23
Zain RizviZain R...
ListView addHeaderView causes position to increase by one?
Below is a code snippet with a ListView. I added an emptyView and a headerView. Adding the headerView causes the position in the onItemClick to be increased by one.
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Extracting the last n characters from a ruby string
...ion of Ruby, you could use chars instead of split.
– Andrew Grimm
Oct 23 '11 at 21:15
1
I used "1...
How to show popup message like in Stack Overflow
...essage like the one that appears on Stack Overflow when I am not logged in and I try to use voting buttons.
6 Answers
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