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PL/SQL, how to escape single quote in a string?
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edited Jul 3 '12 at 16:51
answered Jul 3 '12 at 16:38
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How to vertically align elements in ?
...lt;?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title></title>
<style type="text/css">
.toolbar ul {
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Is there a standard way to list names of Python modules in a package?
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cdlearycdleary
59.7k4747 gold badges153153 silver badges190190 bronze badges
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SQL JOIN - WHERE clause vs. ON clause
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LEFT JOIN OrderLines ON OrderLines.OrderID=Orders.ID
WHERE Orders.ID = 12345
and
SELECT *
FROM Orders
LEFT JOIN OrderLines ON OrderLines.OrderID=Orders.ID
AND Orders.ID = 12345
The first will return an order and its lines, if any, for order number 12345. The second will return all order...
Timer & TimerTask versus Thread + sleep in Java
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edited Oct 4 '13 at 19:15
shreyas
69088 silver badges1010 bronze badges
answered Sep 21 '09 a...
Count, size, length…too many choices in Ruby?
... an element or predicate and count only those items that match.
> [1,2,3].count{|x| x > 2 }
=> 1
In the case where you don't provide a parameter to count it has basically the same effect as calling length. There can be a performance difference though.
We can see from the source code f...
Use of ~ (tilde) in R programming Language
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edited Nov 3 '17 at 13:10
SnowFrog
1,11222 gold badges1717 silver badges3737 bronze badges
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Erratic hole type resolution
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answered Jan 2 '18 at 23:21
BillykartBillykart
1911 bronze badge
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Signal handling with multiple threads in Linux
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35
This is slightly nuanced, based on which version of the Linux kernel you are using.
Assuming 2...