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Add to Array jQuery
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For JavaScript arrays, you use push().
var a = [];
a.push(12);
a.push(32);
For jQuery objects, there's add().
$('div.test').add('p.blue');
Note that while push() modifies the original array in-place, add() returns a new jQuery object, it does not modify the original one.
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Peak signal detection in realtime timeseries data
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Call by name vs call by value in Scala, clarification needed
... => Int).
def callByValue(x: Int) = {
println("x1=" + x)
println("x2=" + x)
}
def callByName(x: => Int) = {
println("x1=" + x)
println("x2=" + x)
}
Now what happens when we call them with our side-effecting function?
scala> callByValue(something())
calling something
x1=1
x2=1
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Bitwise operation and usage
... the lower 4 bits of an integer, you AND it with 15 (binary 1111) so:
201: 1100 1001
AND 15: 0000 1111
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IS 9 0000 1001
The zero bits in 15 in that case effectively act as a filter, forcing the bits in the result to be zero as well.
In addition, >> and << ar...
SQL-Server: Is there a SQL script that I can use to determine the progress of a SQL Server backup or
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Yes. If you have installed sp_who2k5 into your master database, you can simply run:
sp_who2k5 1...
INSERT IF NOT EXISTS ELSE UPDATE?
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edited Jul 2 '14 at 6:34
answered Sep 3 '10 at 10:55
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What does the git index contain EXACTLY?
...he contents of the index:
$ git ls-files --stage
100644 63c918c667fa005ff12ad89437f2fdc80926e21c 0 .gitignore
100644 5529b198e8d14decbe4ad99db3f7fb632de0439d 0 .mailmap
The Racy git problem gives some more details on that structure:
The index is one of the most important data structures in gi...
Does JavaScript guarantee object property order?
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12 Answers
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Android. WebView and loadData
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myWebView.loadData(myHtmlString, "text/html; charset=UTF-8", null);
This works flawlessly, e...
What's the shortest code to cause a stack overflow? [closed]
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