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How can I remove specific rules from iptables?
... do:
iptables-save | grep -v "${comment}" | iptables-restore
So, you'll 100% delete all rules that match the $comment and leave other lines untouched. This solution works for last 2 months with about 100 changes of rules per day - no issues.Hope, it helps
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Limiting floats to two decimal points
...:
Use integers and store values in cents, not dollars and then divide by 100 to convert to dollars.
Or use a fixed point number like decimal.
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How do I remove a file from the FileList
...utable)
progress = Math.round(event.loaded / event.total * 100).toString() + "%";
topicForm.fileZone.innerHTML = progress.toString();
};
request.onload = function(event)
{
response = JSON.parse(request.responseText);...
Collisions when generating UUIDs in JavaScript?
...t apparently StackOverflow won't let me.
I just ran a rudimentary test of 100,000 iterations in Chrome using the UUID algorithm you posted and got no collisions. Here's a code snippet:
var createGUID = function() {
return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
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Convert RGBA PNG to RGB with PIL
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Yuji 'Tomita' TomitaYuji 'Tomita' Tomita
100k2323 gold badges259259 silver badges224224 bronze badges
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Jquery select all elements that have $jquery.data()
...
+100
You could use this jQuery Selector extention: Querying element data
$(':data'); // All elements with data
$(':not(:data)');...
Difference between Control Template and DataTemplate in WPF
... <TextBox Text="{Binding UserName, Mode=TwoWay}" Margin="5" Width="100"/>
<Button Content="Show Name" Click="OnClickShowName" />
</StackPanel>
</DataTemplate>
</ContentPresente...
p vs puts in Ruby
... [lots of objects to be processed]
array.size
>> 20
This gives the 100% progress bar:
puts "*" * array.size
>> ********************
And this adds an incremental * on each iteration:
array.each do |obj|
print "*"
obj.some_long_executing_process
end
# This increments nicely to...
How can I create a two dimensional array in JavaScript?
...n array before using it.
Then you can just call:
var arr = Create2DArray(100);
arr[50][2] = 5;
arr[70][5] = 7454;
// ...
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How to scroll HTML page to given anchor?
...p = Math.abs(jump);
setTimeout(function() { ScrollToResolver(elem);}, "100");
} else {
elem.lastjump = null;
}
}
demo: https://jsfiddle.net/jd7q25hg/12/
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