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Which version of Python do I have installed?
... server. How can I know which version of Python I have, and does it even really matter?
22 Answers
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How to concatenate items in a list to a single string?
...ake sense is a built-in function join(list, sep); there's one in the (basically obsolete) string module if you really want it.
– alexis
Sep 7 '15 at 22:28
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Adding elements to object
...led with last element only. e.g I have 4 different items, but in an object all 4 elements are = last value solution I found is create element = {}; inside of for, then its work properly
– Gorodeckij Dimitrij
Apr 29 at 21:54
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Comparing two files in linux terminal
There are two files called "a.txt" and "b.txt" both have a list of words. Now I want to check which words are extra in "a.txt" and are not in "b.txt" .
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CSS/HTML: Create a glowing border around an Input Field
I want to create some decent inputs for my form, and I would really like to know how TWITTER does their glowing border around their inputs.
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Reusing output from last command in Bash
...ng backticks: `your_cmd` According to the Gnu Bash manual they are functionally identical. Of course this is also subject to the warning raised by @memecs
– user2065875
Apr 20 '15 at 21:33
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“Invalid JSON primitive” in Ajax processing
I am getting an error in an ajax call from jQuery.
12 Answers
12
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val() doesn't trigger change() in jQuery [duplicate]
...the user types into the input and then the input loses focus.
You can manually call the onchange event using after setting the value:
$("#mytext").change(); // someObject.onchange(); in standard JS
Alternatively, you can trigger the event using:
$("#mytext").trigger("change");
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How to tell if node.js is installed or not
I've recently installed node.js and I have no idea how to run applications. I installed node.js but couldn't find further instructions. What does one really need to do? I wanted to see if it was actually working. So I executed a script called hello.js. It went as such:
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How to concatenate two strings in C++?
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First of all, don't use char* or char[N]. Use std::string, then everything else becomes so easy!
Examples,
std::string s = "Hello";
std::string greet = s + " World"; //concatenation easy!
Easy, isn't it?
Now if you need char con...