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When to use virtual destructors?
... make the base class destructor protected and nonvirtual; by doing so, the compiler won't let you call delete on a base class pointer.
You can learn more about virtuality and virtual base class destructor in this article from Herb Sutter.
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Overloading Macro on Number of Arguments
..." in a variadic macro. To fix this, add an unused argument (or even just a comma) after the last param in the definition of FOO(...): #define FOO(...) GET_MACRO(__VA_ARGS__, FOO3, FOO2, UNUSED)(__VA_ARGS__) (See it run on Coliru).
– metal
Apr 12 '17 at 12:26
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Split views.py in several files
My views.py has become too big and it's hard to find the right view.
10 Answers
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Converting a String to DateTime
...Time(format: "ddMMyyyy"); // {29.02.1996 00:00:00}
mydate = "2016 3";
date = mydate.ToDateTime("yyyy M"); // {01.03.2016 00:00:00}
mydate = "2016 12";
date = mydate.ToDateTime("yyyy d"); // {12.01.2016 00:00:00}
mydate = "2016/31/05 13:3...
Relative URLs in WordPress
...ive paths so that I can deploy to dev.mysite.com -> qa.mysite.com -> www.mysite.com or even www.anothersite.com with no issues. It's unfortunate that WP wasn't designed with that in mind. Since setting WP_CONTENT_URL doesn't seem to be intended to (even though it allows) setting relative url...
Git - fatal: Unable to create '/path/my_project/.git/index.lock': File exists
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It doesn't happen automatically. You need to execute the command git push to push your changes to the web server. Details on how this works are here: gitready.com/beginner/2009/01/21/pushing-and-pulling.html
– Raphael R.
Oct 22 '11 at 17:03
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How to play a sound in C#, .NET
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@Ali... stackoverflow.com/questions/2361857/what-does-means-in-c-sharp "It means interpret the following string as literal. Meaning, the \ in the string will actually be a "\" in the output, rather than having to put "\\" to mean the literal chara...
Can two Java methods have same name with different return types? [duplicate]
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Get data from fs.readFile
...t doesn't execute right away, rather it executes when the file loading has completed. When you call readFile, control is returned immediately and the next line of code is executed. So when you call console.log, your callback has not yet been invoked, and this content has not yet been set. Welcome to...