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How to get the number of characters in a std::string?
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If you're using a std::string, call length():
std::string str = "hello";
std::cout << str << ":" << str.length();
// Outputs "hello:5"
If you're using a c-string, call strlen().
const char *str = "hello";
std::cout << str <<...
Javascript for “Add to Home Screen” on iPhone?
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Dan Dascalescu
98.3k3737 gold badges263263 silver badges333333 bronze badges
answered Feb 12 '11 at 5:11
CraigCraig
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How do I stop a web page from scrolling to the top when a link is clicked that triggers JavaScript?
...rring.
There are two ways to do this.
Option 1: event.preventDefault()
Call the .preventDefault() method of the event object passed to your handler. If you're using jQuery to bind your handlers, that event will be an instance of jQuery.Event and it will be the jQuery version of .preventDefault()....
How to create full compressed tar file using Python?
...e archive will contain service "." or "/" folder which is not a problem usually, but sometimes it can be an issue if you later process this archive programmatically. It seems the only real clean way is to do os.walk and add files individually
– The Godfather
Fe...
jquery $(window).width() and $(window).height() return different values when viewport has not been r
I am writing a site using jquery that repeatedly calls $(window).width() and $(window).height() to position and size elements based on the viewport size.
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json_encode sparse PHP array as JSON array, not JSON object
...at is, if its keys are 0, 1, 2, 3, ...
You can reindex your array sequentially using the array_values function to get the behaviour you want. For example, the code below works successfully in your use case:
echo json_encode(array_values($input)).
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How to style icon color, size, and shadow of Font Awesome Icons
...Awesome insert code -->
<script src="https://use.fontawesome.com/49b98aaeb5.js"></script>
<!-- End -->
<i class="fa fa-thumbs-up fa-5x" aria-hidden="true" style="color:#00cc6a"></i>
<i class="fa fa-thumbs-up fa-4x" aria-hidden="true" style="color:#00cc6a">&...
C++ semantics of `static const` vs `const`
In C++ specifically, what are the semantic differences between for example:
2 Answers
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How to avoid the “Circular view path” exception with Spring MVC test
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98
I solved this problem by using @ResponseBody like below:
@RequestMapping(value = "/resturl", m...
Factory Pattern. When to use factory methods?
...people they hire, but that's it.
So, when they need a new employee, they call the hiring agency and tell them what they need. Now, to actually hire someone, you need to know a lot of stuff - benefits, eligibility verification, etc. But the person hiring doesn't need to know any of this - the hir...