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How do you count the number of occurrences of a certain substring in a SQL varchar?
I have a column that has values formatted like a,b,c,d. Is there a way to count the number of commas in that value in T-SQL?
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Create timestamp variable in bash script
I am trying to create a timestamp variable in a shell script to make the logging a little easier. I want to create the variable at the beginning of the script and have it print out the current time whenever I issue echo $timestamp . It proving to be more difficult then I thought. Here are some thin...
How can I provide multiple conditions for data trigger in WPF?
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Use MultiDataTrigger type
<Style TargetType="ListBoxItem">
<Style.Triggers>
<DataTrigger Binding="{Binding Path=State}" Value="WA">
<Setter Property="Foreground" Value="Red" />
</DataTrigger>
<MultiDataTrigger&...
ruby inheritance vs mixins
In Ruby, since you can include multiple mixins but only extend one class, it seems like mixins would be preferred over inheritance.
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Ubuntu running `pip install` gives error 'The following required packages can not be built: * freety
When performing pip install -r requirements.txt , I get the following error during the stage where it is installing matplotlib :
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how to change an element type using jquery
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Here's one way you could do it with jQuery:
var attrs = { };
$.each($("b")[0].attributes, function(idx, attr) {
attrs[attr.nodeName] = attr.nodeValue;
});
$("b").replaceWith(function () {
return $("<h1 />", attrs).append($(this).contents());
});
Example: http://jsfiddle.net/yap...
Disable Rails SQL logging in console
Is there a way to disable SQL query logging when I'm executing commands in the console? Ideally, it would be great if I can just disable it and re-enable it with a command in the console.
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Gradients in Internet Explorer 9
...e vendor prefix for gradients within IE9 or are we still supposed to still be using their proprietry filters?
10 Answers
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How to do case insensitive search in Vim
I'd like to search for an upper case word, for example COPYRIGHT in a file. I tried performing a search like:
14 Answers
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Difference between this and self in self-type annotations?
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All three forms are valid, and have the effect that B is assumed as the type of this in class A.
The first two variants
trait A { self: B => ... }
trait A { foo: B => ... }
introduce self (respectively, foo) as an alias for this in trait A. This is useful for access...