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Polymorphism in C++

...eaning is more inclusive, as per C++ creator Bjarne Stroustrup's glossary (http://www.stroustrup.com/glossary.html): polymorphism - providing a single interface to entities of different types. Virtual functions provide dynamic (run-time) polymorphism through an interface provided by a base class...
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Do I have to guard against SQL injection if I used a dropdown?

...age, my options include disabling that behaviour, or just writing a custom HTTP request to your server which imitates this form submission anyway. There's a tool called curl used for exactly that, and I think the command to submit this SQL injection anyway would look something like this: curl --dat...
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Like Operator in Entity Framework?

.... For now, I've settled with client-side Wildcard/Regex filtering based on http://www.codeproject.com/Articles/11556/Converting-Wildcards-to-Regexes?msg=1423024#xx1423024xx - it's simple and works as expected. I've found another discussion on this topic: http://forums.asp.net/t/1654093.aspx/2/10 Thi...
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Reference - What does this error mean in PHP?

...ormation - headers already sent Happens when your script tries to send an HTTP header to the client but there already was output before, which resulted in headers to be already sent to the client. This is an E_WARNING and it will not stop the script. A typical example would be a template file lik...
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Facebook API - How do I get a Facebook user's profile image through the Facebook API (without requir

... that fetches a user's profile image from their Facebook URL (that is, http://facebook.com/users_unique_url ). How can I accomplish this? Is there a Faceboook API call that fetches a user's profile image URL without the user needing to Allow the application? ...
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Remove not alphanumeric characters from string

...(/[\f]/g, 'f') .replace(/[\n]/g, 'n') .replace(/\\/g, ''); Demo: http://jsfiddle.net/SAp4W/ share | improve this answer | follow | ...
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Android OpenGL ES and 2D

...ally take a look at SpriteMethodTest by the same author of replica island: http://code.google.com/p/apps-for-android/source/browse/trunk/SpriteMethodTest See this question where I posted my own code: Using OpenGL to replace Canvas - Android After you have your canvas set up, you start by calling s...
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Can Flask have optional URL parameters?

...;userId>/<username>') def show(userId, username=None): pass https://flask.palletsprojects.com/en/1.1.x/quickstart/#unique-urls-redirection-behavior share | improve this answer ...
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What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?

...y test cases, you are 78% mainstream MINGW64 (gcc-4.5.2 prerelase) -- http://mingw-w64.sourceforge.net/ We like to think that: ..05 int has the size of pointers but 'sizeof(int)==sizeof(void*)' is false. ..05a long has at least the size of pointers but 'sizeof(long)>=sizeof(void*)' is...
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If isset $_POST

..., but request type will be post. Or it can be done with curl: curl -X POST http://example.com/processor.php. If processor contains code like echo $_SERVER['REQUEST_METHOD']. ' '.var_export(empty($_POST),1);, you will see POST true – Nemoden Oct 25 '12 at 1:28 ...