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What is the largest Safe UDP Packet Size on the Internet

...rmation that you may not have anticipated. A 512-byte UDP payload is generally considered to do that, although even that does not leave quite enough space for a maximum size IP header. share | impr...
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Import CSV to mysql table

...ocalhost'; $user = 'root'; $pass = ''; $database = 'database'; $db = mysql_connect($host, $user, $pass); mysql_query("use $database", $db); /********************************************************************************/ // Parameters: filename.csv table_name $argv = $_SERVER[argv]; if($argv[1...
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How to solve “Fatal error: Class 'MySQLi' not found”?

...amazon linux, it would be something like sudo yum install php56-mysqlnd.x86_64 (pick the one matching to which version of php you have installed) – auspicious99 Dec 3 '18 at 10:46 ...
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How do you comment out code in PowerShell?

... PowerShell V2 <# #> can be used for block comments and more specifically for help comments. #REQUIRES -Version 2.0 <# .SYNOPSIS A brief description of the function or script. This keyword can be used only once in each topic. .DESCRIPTION A detailed description of the function...
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CodeIgniter: How to get Controller, Action, URL information

...is->router->directory; Documentation: codeigniter.com/user_guide/installation/… – cartalot May 23 '16 at 21:55 ...
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Refresh image with a new one at the same url

... + new Date().getTime(); This will append the current timestamp automatically when you are creating the image, and it will make the browser look again for the image instead of retrieving the one in the cache. share ...
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When should null values of Boolean be used?

Java boolean allows values of true and false while Boolean allows true , false , and null . I have started to convert my boolean s to Boolean s. This can cause crashes in tests such as ...
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Can an Android NFC phone act as an NFC tag?

... a simple old nfc tag? Is there some application I'm not thinking of? Usually, you'd want to emulate something like a transit card, access key, or credit card which would require a secure element (I think, but not sure). s...
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Setting Authorization Header of HttpClient

...ent = new HttpClient()) { client.DefaultRequestHeaders.Authorization = _username.ToAuthHeaderValue(_password); } Again I think 2 above options make the client using statement a bit less repetitive. Keep in mind that it's best practice to reuse the HttpClient if you are making multiple http ca...
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Clear variable in python

...ou were to overwrite keywords - then you would still get errors trying to call a none type. Use del variable – Dustin K Aug 21 '19 at 20:53  |  ...