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C++ equivalent of java's instanceof
...ething();
}
This requires your compiler to have rtti support enabled.
EDIT:
I've had some good comments on this answer!
Every time you need to use a dynamic_cast (or instanceof) you'd better ask yourself whether it's a necessary thing. It's generally a sign of poor design.
Typical workarounds ...
git command to move a folder inside another
I have created a folder common with a bunch of source files and folders.
9 Answers
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Android: how to make keyboard enter button say “Search” and handle its click?
I can't figure this out. Some apps have a EditText (textbox) which, when you touch it and it brings up the on-screen keyboard, the keyboard has a "Search" button instead of an enter key.
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Add Foreign Key to existing table
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edited Jul 18 '15 at 22:38
Steen Schütt
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How to set a value of a variable inside a template code?
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You can use the with template tag.
{% with name="World" %}
<html>
<div>Hello {{name}}!</div>
</html>
{% endwith %}
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What are the most common naming conventions in C?
...static and skip the module prefix, so if gtk_widget_show() was a function with file scope it would become simply widget_show() with static storage class added.
– August Karlstrom
Aug 15 '13 at 14:28
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instantiate a class from a variable in PHP?
I know this question sounds rather vague so I will make it more clear with an example:
5 Answers
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JavaScript is in array
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edited Mar 13 '12 at 3:44
adeneo
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Is there a way for multiple processes to share a listening socket?
...forked child to have copies of all the parent's file descriptors. Any that it does not close will continue to be shared, and (for example with a TCP listening socket) can be used to accept() new sockets for clients. This is how many servers, including Apache in most cases, work.
On Windows the same...
Doing something before program exit
...u have a function or something that will be executed before your program quits? I have a script that will be constantly running in the background, and I need it to save some data to a file before it exits. Is there a standard way of doing this?
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