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What's invokedynamic and how do I use it?
...ava 8 translates some of the lambdas using invokedynamic which makes it performant (compared to wrap them in an anonymous inner-class which was almost the only choice before introducing invokedynamic). Most probably a lot of functional programming languages on top of JVM will opt to compile to this ...
RichTextBox (WPF) does not have string property “Text”
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There was a confusion between RichTextBox in System.Windows.Forms and in System.Windows.Control
I am using the one in the Control as I am using WPF. In there, there is no Text property, and in order to get a text, I should have used this line:
string myText = new TextRange(transcrib...
generate days from date range
...t 7 union all select 8 union all select 9) as d
) a
where a.Date between '2010-01-20' and '2010-01-24'
Output:
Date
----------
2010-01-24
2010-01-23
2010-01-22
2010-01-21
2010-01-20
Notes on Performance
Testing it out here, the performance is surprisingly good: the above query takes 0.0009 se...
MySQL “between” clause not inclusive?
... truncate it out:
select * from person
where CAST(dob AS DATE) between '2011-01-01' and '2011-01-31'
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What is the etymology of 'slug'? [closed]
...
The term 'slug' comes from the world of newspaper production.
It's an informal name given to a story during the production process. As the story winds its path from the beat reporter (assuming these even exist any more?) through to editor through to the "printing presses", this is the name it is ...
Angular JS: What is the need of the directive’s link function when we already had directive’s contro
I need to perform some operations on scope and the template. It seems that I can do that in either the link function or the controller function (since both have access to the scope).
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Using unset vs. setting a variable to empty
... It's just an unquoted empty string. In addition to set -u, bash's various forms of parameter expansion can also distinguish between unset and null values: ${foo:bar} expands to "bar" when foo is unset, but "" when foo is null, while ${foo:-bar} expands to "bar" if foo is unset or null.
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Force page scroll position to top at page refresh in HTML
...en fired too early.
Ought to use the beforeunload event which prevent you form doing some setTimeout
$(window).on('beforeunload', function(){
$(window).scrollTop(0);
});
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Counting array elements in Python [duplicate]
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Especially when both of us mentioned that is was bad form. Understanding what length "really" does is important in it's own right.
– Gregg Lind
Oct 14 '08 at 17:11
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Counting the number of option tags in a select tag in jQuery
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You can use either length property and length is better on performance than size.
$('#input1 option').length;
OR you can use size function like (removed in jQuery v3)
$('#input1 option').size();
$(document).ready(function(){
console.log($('#input1 option').size());
console....