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Multiple Updates in MySQL
... id. if the site has new records then i will end up inserting only the ids and count except all other information. if and only if there is an entry for the id then it should update else it should skip. what shall i do?
– Jayapal Chandran
Aug 30 '10 at 13:30
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RestSharp JSON Parameter Posting
...ct(new { A = "foo", B = "bar" }) too which takes the object properties and converts them into parameters
– John Sheehan
Jun 11 '11 at 3:33
63
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Using HTML5/JavaScript to generate and save a file
...it's pretty slow (Collada is a very verbose format), so I'm going to start converting files to a easier to use format (probably JSON). I already have the code to parse the file in JavaScript, so I may as well use it as my exporter too! The problem is saving.
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C# How can I check if a URL exists/is valid?
... looks up a stock symbol on Yahoo! Finance, downloads the historical data, and then plots the price history for the specified ticker symbol.
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How to make an ImageView with rounded corners?
In Android, an ImageView is a rectangle by default. How can I make it a rounded rectangle (clip off all 4 corners of my Bitmap to be rounded rectangles) in the ImageView?
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How to insert element into arrays at specific position?
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array_slice() can be used to extract parts of the array, and the union array operator (+) can recombine the parts.
$res = array_slice($array, 0, 3, true) +
array("my_key" => "my_value") +
array_slice($array, 3, count($array)-3, true);
This example:
$array = array(
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How to find the key of the largest value hash?
...0], *hash[hash.length-1]
2nd largest key value pair
Hash[*hash[1]]
To convert the hash array back into a hash
hash.to_h
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Will Emacs make me a better programmer? [closed]
... started with vi (ca. 1987) on a machine with a very slow text terminal, I converted to (GNU) Emacs after a few years (on a faster machine), and used it almost exclusively for nearly 10 years.
Emacs was the first truly integrated development environment - the whole edit/link/compile cycle could be ...
NUnit vs. Visual Studio 2008's test projects for unit testing [closed]
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The unit-testing framework doesn't actually matter much, because you can convert test classes with separate project files and conditional compilation (like this, Visual Studio → NUnit):
#if !NUNIT
using Microsoft.VisualStudio.TestTools.UnitTesting;
#else
using NUnit.Framework;
using Te...
How to delete duplicate lines in a file without sorting it in Unix?
... last line if the file has an even number of lines.
To convert scripts which used the former behavior of N (deleting
the pattern space upon reaching the EOF) to scripts compatible with
all versions of sed, change a lone "N;" to "$d;N;".
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