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abort, terminate or exit?
...om there. This means that you are guaranteed that stack unwinding happens correctly and all destructors are called. In other words:
int main() {
try {
// your stuff
}
catch( ... ) {
return 1; // or whatever
}
}
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What is a regular expression which will match a valid domain name without a subdomain?
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Well, it's pretty straightforward a little sneakier than it looks (see comments), given your specific requirements:
/^[a-zA-Z0-9][a-zA-Z0-9-]{1,61}[a-zA-Z0-9]\.[a-zA-Z]{2,}$/
But note this will reject a lot of valid domains.
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Has an event handler already been added?
...d it needs to be flagged, which the event handler took care of properly before. However now when the objects are deserialized it isn't getting the event handler.
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HTTP header line break style
Which line break style is preferable for use in HTTP headers: \r\n or \n , and why?
3 Answers
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Accessing localhost (xampp) from another computer over LAN network - how to?
I have just set up a wi-fi network at home. I have all my files on my desktop computer (192.168.1.56) and want to access localhost over there from another computer (192.168.1.2).
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Ruby on Rails: How do I add a not null constraint to an existing column using a migration?
In my Rails (3.2) app, I have a bunch of tables in my database but I forgot to add a few not null constraints. I've googled around but I can't find how to write a migration which adds not null to an existing column.
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How to set a Header field on POST a form?
How can I set a custom field in POST header on submit a form?
8 Answers
8
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Are Exceptions in C++ really slow
I was watching Systematic Error Handling in C++—Andrei Alexandrescu he claims that Exceptions in C++ are very very slow.
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How can I count all the lines of code in a directory recursively?
...application and want to count all the lines of code under a specific directory and its subdirectories. We don't need to ignore comments, as we're just trying to get a rough idea.
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What is the difference between is_a and instanceof?
I am aware that instanceof is an operator and that is_a is a method.
9 Answers
9
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