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What is the difference between active and passive FTP?
...data channel and continue.
More details are available in the RFC: https://www.ietf.org/rfc/rfc959.txt
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Difference between Pragma and Cache-Control headers?
...a requests and the server receiving a request from the client. The http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.32 defines the scenario as follows:
HTTP/1.1 caches SHOULD treat "Pragma: no-cache" as if the client had
sent "Cache-Control: no-cache". No new Pragma directives wil...
Do you have to put Task.Run in a method to make it async?
... var client = new HttpClient();
var html = await client.GetAsync("http://www.example.com/");
return html.Length;
}
So, the basic pattern of things is to have async code depend on "awaitables" in its await expressions. These "awaitables" can be other async methods or just regular methods return...
position: fixed doesn't work on iPad and iPhone
...smode.org site has a very good blog post that explains the problem: http://www.quirksmode.org/blog/archives/2010/12/the_fifth_posit.html
Also see this page for a compatibility chart showing which mobile browsers support position:fixed;: http://www.quirksmode.org/m/css.html
(but note that the mobil...
Deleting all files in a directory with Python
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
How to get document height and width without using jquery
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Even the last example given on http://www.howtocreate.co.uk/tutorials/javascript/browserwindow is not working on Quirks mode. Easier to find than I thought, this seems to be the solution(extracted from latest jquery code):
Math.max(
document.documentElement[...
Pros and cons of AppSettings vs applicationSettings (.NET app.config / Web.config)
...xception messages are given.
You can see/download the class here:
http://www.drewnoakes.com/code/util/app-settings-util/
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convert a JavaScript string variable to decimal/money
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
upstream sent too big header while reading response header from upstream
...t in stderr: "PHP message: PHP Notice: Undefined index: Firstname in /srv/www/classes/data_convert.php on line 1090
PHP message: PHP Notice: Undefined index: Lastname in /srv/www/classes/data_convert.php on line 1090
... // 20 lines of same
PHP message: PHP Notice: Undefined index: Firstname in /...
Which characters need to be escaped in HTML?
...9 after JSON serialisation.)
HTML Escape Characters: Complete List:
http://www.theukwebdesigncompany.com/articles/entity-escape-characters.php
So you need to escape <, or & when followed by anything that could begin a character reference. Also The rule on ampersands is the only such rule for ...