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TCP vs UDP on video stream
...ways better to re-transmit data only to clients having packet loss then to include overhead of forward-error-correction in stream sent to all clients.
In any case lost packets are unacceptable. Dropped frames are ok in exceptional cases when bandwidth is hindered.
The result of missing packets ar...
JavaScript/jQuery to download file via POST with JSON data
...age. The assumption is that the response from /create_binary_file.php will include a value 'url', which is the URL that the generated PDF/XLS/etc file can be downloaded from. Adding an iframe to the page that references that URL will result in the browser promoting the user to download the file, ass...
How to get a list of user accounts using the command line in MySQL?
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I find this format the most useful as it includes the host field which is important in MySQL to distinguish between user records.
select User,Host from mysql.user;
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How to remove non-alphanumeric characters?
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Here's an example if you want to include the hyphen as an allowed character. I needed this because I needed to strip out disallowed characters from a Moodle username, based on email addresses: preg_replace("/[^a-z0-9_.@\-]/", '', $string);
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What steps should I take to protect my Google Maps API Key?
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Considering that key has to be included in the <script> tags of your HTML pages, to load the JS files/data from google's servers, there is nothing you can do :
you must put it in your HTML files
every one can take a look at those.
Still, it doesn...
How would you implement an LRU cache in Java?
...when someone might need Guava or ehcache or something else I don't want to include them, but if I make caching plug-able, I will not exclude them either.
Reduction of dependencies has its own reward. I love to get some feedback on how to make this even simpler or faster or both.
Also if anyone kn...
How do you write a migration to rename an ActiveRecord model and its table in Rails?
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Are HTML Image Maps still used?
...e key takeaway being that SVG elements also trigger traditional dom events including onmouseover and onmouseout.
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How to sort a list of lists by a specific index of the inner list?
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How to change my Git username in terminal?
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As mentioned by @DalyaG, the following should also be included: git config credential.username "xxx"
– Fernando Wittmann
Nov 2 '18 at 17:57
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