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Finding the index of elements based on a condition using python list comprehension
...t; 2)
[2, 5]
Note that I'm using lists here to mimic Matlab. It would be more Pythonic to use generators and iterators.
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What is the difference between And and AndAlso in VB.NET?
... from the C# world, you should use AndAlso like you would use &&.
More info here: http://www.panopticoncentral.net/2003/08/18/the-ballad-of-andalso-and-orelse/
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How do you clear a stringstream variable?
..."");
is correct, although using:
m.str(std::string());
is technically more efficient, because you avoid invoking the std::string constructor that takes const char*. But any compiler these days should be able to generate the same code in both cases - so I would just go with whatever is more read...
Average of 3 long integers
...ote that the above sample does not always work properly when having one or more negative values.
As discussed with Ulugbek, since the number of comments are exploding below, here is the current BEST solution for both positive and negative values.
Thanks to answers and comments of Ulugbek Umirov, J...
How can I check whether a radio button is selected with JavaScript?
....checked) {
//Female radio button is checked
}
The above could be made more efficient depending on the exact nature of your markup but that should be enough to get you started.
If you're just looking to see if any radio button is selected anywhere on the page, PrototypeJS makes it very easy.
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How to navigate through textfields (Next / Done Buttons)
...turn NO; // We do not want UITextField to insert line-breaks.
}
Add some more code, and the assumptions can be ignored as well.
Swift 4.0
func textFieldShouldReturn(_ textField: UITextField) -> Bool {
let nextTag = textField.tag + 1
// Try to find next responder
let nextResponder...
How to install a gem or update RubyGems if it fails with a permissions error
...n the two, I use rbenv, though I used RVM a lot in the past. rbenv takes a more "hands-off" approach to managing your Ruby installation. RVM has a lot of features and is very powerful, but, as a result is more intrusive. In either case, READ the installation documentation for them a couple times bef...
subtle differences between JavaScript and Lua [closed]
...
Some more differences:
Lua has native support for coroutines.
UPDATE: JS now contains the yield keyword inside generators, giving it support for coroutines.
Lua doesn't convert between types for any comparison operators. In J...
How should you build your database from source control?
...d "own" database objects in this model?
Developers?
DBAs?
Data Analysts?
More than one?
Usually DBAs approve the model (before check-in or after as part of code review). They definitely own performance related objects. But in general the team own it [and employer, of course :)]
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How to replace DOM element in place using Javascript?
...should put the script block at the end of the body to make it work. Furthermore, just for fun: try adding the line [alert(myAnchor.innerHTML)] after the operation.
– KooiInc
May 10 '09 at 8:27
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