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What Makes a Method Thread-safe? What are the rules?
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4 Answers
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Add one row to pandas DataFrame
...))
>>> df
lib qty1 qty2
0 name0 3 3
1 name1 2 4
2 name2 2 8
3 name3 2 1
4 name4 9 6
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How to check if a specific key is present in a hash or not?
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answered Dec 24 '10 at 22:09
sepp2ksepp2k
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Properly close mongoose's connection once you're done
...roperly again
– Brian Noah
May 23 '14 at 22:55
1
This worked for me. I just needed to make sure I...
What are the benefits of using C# vs F# or F# vs C#? [closed]
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edited Jun 4 '09 at 19:06
answered Jun 4 '09 at 18:58
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How to add multiple files to Git at the same time
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124
To add all the changes you've made:
git add .
To commit them:
git commit -m "MY MESSAGE HERE"...
Can CSS detect the number of children an element has?
...i {
width: 33.3333%;
}
/* four items */
li:first-child:nth-last-child(4),
li:first-child:nth-last-child(4) ~ li {
width: 25%;
}
The trick is to select the first child when it's also the nth-from-the-last child. This effectively selects based on the number of siblings.
Credit for this tec...
Cast Int to enum in Java
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594
Try MyEnum.values()[x] where x must be 0 or 1, i.e. a valid ordinal for that enum.
Note that i...
How do I remove duplicate items from an array in Perl?
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You can do something like this as demonstrated in perlfaq4:
sub uniq {
my %seen;
grep !$seen{$_}++, @_;
}
my @array = qw(one two three two three);
my @filtered = uniq(@array);
print "@filtered\n";
Outputs:
one two three
If you want to use a module, try the uniq func...
text-overflow:ellipsis in Firefox 4? (and FF5)
...s = "...";
if( $('#limitedWidthTextBox').val().length > limit) {
// -4 to include the ellipsis size and also since it is an index
var trimmedText = $('#limitedWidthTextBox').val().substring(0, limit - 4);
trimmedText += ellipsis;
$('#limitedWidthTextBox').val(trimmedText);
}
I unde...