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Overloading Macro on Number of Arguments
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Does not work on Microsoft Visual Studio 2010, VA_ARGS seems to be expanded into a single macro argument.
– Étienne
Oct 28 '14 at 11:32
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Is modern C++ becoming more prevalent? [closed]
...ou're comfortable writing regular for loops, changing to use std::for_each doesn't buy you much except the warm fuzzy feeling that you're doing things the "modern" way.
Now, we have instructors and book writers who have been using the whole of C++, and getting their instructions from that perspecti...
MySQL Conditional Insert
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If your DBMS does not impose limitations on which table you select from when you execute an insert, try:
INSERT INTO x_table(instance, user, item)
SELECT 919191, 123, 456
FROM dual
WHERE NOT EXISTS (SELECT * FROM x_t...
std::function and std::bind: what are they, and when should they be used?
...1, 4, _2);
This is more concise than actually writing a functor class to do it.
There are further examples in the article you link to. You generally use it when you need to pass a functor to some algorithm. You have a function or functor that almost does the job you want, but is more configurable...
Creating a zero-filled pandas data frame
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Note that you may run into int/float issue if you will be doing something like d.set_value(params) after initializing d to contain 0's. An easy fix is: d = pd.DataFrame(0.0, index=np.arange(len(data)), columns=feature_list).
– ximiki
Aug 29 '17...
How to simulate a click with JavaScript?
...el.fireEvent) {
el.fireEvent('on' + etype);
} else {
var evObj = document.createEvent('Events');
evObj.initEvent(etype, true, false);
el.dispatchEvent(evObj);
}
}
Usage:
eventFire(document.getElementById('mytest1'), 'click');
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Access event to call preventdefault from custom function originating from onclick attribute of tag
...till require detection inside of your event handler function to look at window.event).
A quick example.
function sayHi(e) {
e.preventDefault();
alert("hi");
}
<a href="http://google.co.uk" onclick="sayHi(event);">Click to say Hi</a>
Run it as is and notice that t...
jQuery set radio button
...tent in it. Why are you guys keep rejecting my edit to remove the link. It does not contains anything regards the matter.
– Menuka Ishan
Nov 9 '16 at 3:25
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Which is better: … or …
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Do you need a type attribute at all? If you're using HTML5, no. Otherwise, yes. HTML 4.01 and XHTML 1.0 specifies the type attribute as required while HTML5 has it as optional, defaulting to text/javascript. HTML5 is now wide...
Case-INsensitive Dictionary with string key-type in C#
...which is case sensitive) but rather to use a case insensitive one. This is done using the appropriate constructor:
var dict = new Dictionary<string, YourClass>(
StringComparer.InvariantCultureIgnoreCase);
The constructor expects an IEqualityComparer which tells the dictionary how to...