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Capturing mobile phone traffic on Wireshark
...X packet trace programs to capture traces from an iOS device. See here for more details
For all phones, wi-fi only: Set up your PC as a wireless access point, then run wireshark on the PC
For all phones, wi-fi only: Get a capture device that can sniff wi-fi. This has the advantage of giving you 802...
COALESCE Function in TSQL
... and return the first value encountered that isn't NULL.
There's a much more thorough description of the details here
http://www.mssqltips.com/sqlservertip/2689/deciding-between-coalesce-and-isnull-in-sql-server/
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Common use-cases for pickle in Python
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How to tell Jackson to ignore a field during serialization if its value is null?
...a getter so that the attribute would be shown if the value is not null.
A more complete example is available in my answer to How to prevent null values inside a Map and null fields inside a bean from getting serialized through Jackson.
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Rebuild or regenerate 'ic_launcher.png' from images in Android Studio
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Create a date from day month and year with T-SQL
...00:00.000. The accepted answer (by Cade Roux) generates an error, which is more useful.
– onedaywhen
Dec 14 '11 at 17:22
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Why is HTML5 input type datetime removed from browsers already supporting it?
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I couldn't agree more. It worked. It worked well. I need it. Why remove it?
– Patrick Hofman
Sep 10 '14 at 15:10
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Serving favicon.ico in ASP.NET MVC
... favicon.ico in the root of your domain only really affects IE5, IIRC. For more modern browsers you should be able to include a link tag to point to another directory:
<link rel="SHORTCUT ICON" href="http://www.mydomain.com/content/favicon.ico"/>
You can also use non-ico files for browsers ...
How can I add new array elements at the beginning of an array in Javascript?
...utating your original array, you can use concat, which concatenates two or more arrays together. You can use this to functionally push a single element onto the front or back of an existing array; to do so, you need to turn the new element into a single element array:
const array = [ 3, 2, 1 ]
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Converting a generic list to a CSV string
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