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How to specify a multi-line shell variable?
... Note that read will have an exit code of 1 in this situation; if that matters (you are running with set -e, for example), you'll want add a || true at the end of the first line.
– chepner
Mar 15 '13 at 12:53
...
Pandas dataframe get first row of each group
... first
2 first
3 first
4 second
5 first
6 first
7 fourth
If you need id as column:
>>> df.groupby('id').first().reset_index()
id value
0 1 first
1 2 first
2 3 first
3 4 second
4 5 first
5 6 first
6 7 fourth
To get n first records, you can ...
How to open a file using the open with statement
... Read a list of names from a file line by line into an output file.
If a line begins with a particular name, insert a string of text
after the name before appending the line to the output file.
'''
with open(newfile, 'w') as outfile, open(oldfile, 'r', encoding='utf-8') as infile...
Fully backup a git repo?
...
@Daniel: If you clone a repository, you fetch every branch, but only the default one is checkouted. Try git branch -a. Maybe its more obvious this way: After cloning a repository you dont fetch every branch, you fetch every commit. Br...
Find where java class is loaded from
...
What if the class is compiled, e.g. from a .groovy file?
– Ondra Žižka
Jun 28 '13 at 0:58
35
...
Pass a PHP string to a JavaScript variable (and escape newlines) [duplicate]
...
If you use UTF-8 that's the best solution by far.
– Kornel
Oct 13 '08 at 23:02
4
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How to add parameters to a HTTP GET request in Android?
...etParams( basicHttpParms ) on my HttpGet object. This method fails. But if I manually add my parameters to my URL (i.e. append ?param1=value1&param2=value2 ) it succeeds.
...
initialize a numpy array
... of a shape and add to it? I will explain what I need with a list example. If I want to create a list of objects generated in a loop, I can do:
...
Ruby: Change negative number to positive number?
...
my answer is just for negative numbers, if you need to always have the absolute value then this is definitely the better way.
– Brandon Bodnar
Mar 19 '10 at 22:41
...
jQuery UI Sortable Position
...
You can use the ui object provided to the events, specifically you want the stop event, the ui.item property and .index(), like this:
$("#sortable").sortable({
stop: function(event, ui) {
alert("New position: " + ui.item.index());
}
});
You can see a working d...