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Why is argc not a constant?
..., such as getopt, actually do manipulate argv[], so it can't be made const for that reason also.
(Aside: Interestingly, although getopt's prototype suggests it won't modify argv[] but may modify the strings pointed to, the Linux man page indicates that getopt permutes its arguments, and it appear...
How to rethrow InnerException without losing stack trace in C#?
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Good candidate for an Exception.Rethrow() extension method?
– nmarler
Apr 7 '14 at 15:48
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How to check whether dynamically attached event listener exists or not?
Here is my problem: is it possible somehow to check for existence of dynamically attached event listener? Or how can I check the status of the "onclick" (?) property in DOM? I have searched internet just like Stack Overflow for a solution, but no luck. Here is my html:
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How should one use std::optional?
...it. The site doesn't contain any examples as of yet which leaves it harder for me to grasp the true concept of this object. When is std::optional a good choice to use, and how does it compensate for what was not found in the previous Standard (C++11).
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Facebook share link without JavaScript
The following link is for sharing a page on Twitter:
13 Answers
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How can I read a whole file into a string variable
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Then for constructing the final string result, you can use append() to accumulate the data in a single byte slice as you read each file, then convert the accumulated byte slice to the final string result. Alternatively you might ...
nginx server_name wildcard or catch-all
... Worked perfectly - many thanks. I couldn't use server_name _; for the status page on the IP address, I had to specify server_name x.x.x.x but that's okay!
– Tak
Feb 26 '12 at 17:11
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Get last n lines of a file, similar to tail
I'm writing a log file viewer for a web application and for that I want to paginate through the lines of the log file. The items in the file are line based with the newest item on the bottom.
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jQuery vs document.querySelectorAll
...e power of jQuerys Selector engine without the nasty overhead.
EDIT:
Just for the record, I'm a huge vanilla JavaScript fan. Nonetheless it's a fact that you sometimes need 10 lines of JavaScript where you would write 1 line jQuery.
Of course you have to be disciplined to not write jQuery like thi...
jQuery/Javascript function to clear all the fields of a form [duplicate]
I am looking for a jQuery function that will clear all the fields of a form after having submitted the form.
11 Answers
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