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Why are arrays covariant but generics are invariant?
...unforgivable imo... among the very worst mistakes ever made in Java is use-site variance aka wildcards.
– Scott
Sep 6 '15 at 21:09
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How do PHP sessions work? (not “how are they used?”)
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A session gets destroyed when the user closes the browser or leaves the site. The server also terminates the session after the predetermined period of session time expires. These are the simple mechanism steps that PHP is using to handle the session. I hope this article with help you to understan...
Has reCaptcha been cracked / hacked / OCR'd / defeated / broken? [closed]
... easiest ones (or at least quickest) broken.
UPDATE: CAPTCHA Killer's website is now taken down, apparently under legal pressure. See http://captcha.org/ for a complete overview of the topic.
And yeah, OCR is not the best way to break a CAPTCHA protected site - there are many other better ways.
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TypeError: module.__init__() takes at most 2 arguments (3 given)
...tests\test_geojson.py::TestGeoJson::test_api_response
C:\Python37\lib\site-packages\aenum__init__.py:163
(no name 'PyExample\ tests\test_geojson.py::TestGeoJson::test_api_response' in any of [])
The errors were doing their best to point me in the right direction, and @Mickey Perlstein's...
What is the difference between GitHub and gist?
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GitHub is the entire site. Gists are a particular service offered on that site, namely code snippets akin to pastebin. However, everything is driven by git revision control, so gists also have complete revision histories.
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Are there any downsides to passing structs by value in C, rather than passing a pointer?
... will get placed on the stack, potentially causing the situation that this site is named after...
If I see an application that seems to have excessive stack usage, structs passed by value is one of the things I look for first.
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Find() vs. Where().FirstOrDefault()
...e SQL in a console app by doing context.Database.Log = Console.Write; The sited example is using in-memory "Find" against a list of strings, not going against a DB with primary keys. Perhaps the statement translation of the Find clause - which omits the need to do lambda expression parsing is the r...
Why is SQL Server 2008 Management Studio Intellisense not working?
...nal autocomplete for over an hour trying everything suggested on every web site I could find, I tried this. Works better than the built-in feature, and free is free!
– richardtallent
Jul 20 '16 at 22:39
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jQuery set radio button
...n, you MUST pass the value as an array:
$('input:radio[name=cols]').val(['Site']);
$('input:radio[name=rows]').val(['Site']);
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How does the Amazon Recommendation feature work?
... be treated similarly to another stream of basket analysis data
Referral sites (identification of where you came in from can hint other items of interest)
Dwell times (how long before you click back and pick a different item)
Ratings by you or those in your social network/buying circles - if y...