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Create list of single item repeated N times
...'string'] * len(columns)
Mutable items
I've used Python for a long time now, and I have never seen a use-case where I would do the above with a mutable instance. Instead, to get, say, a mutable empty list, set, or dict, you should do something like this:
list_of_lists = [[] for _ in columns]
T...
unit testing of private functions with mocha and node.js
... or something else that can communicate to the module "you're being tested now". The instances where I've had to do this were in a RequireJS environment, and I've used module.config for this purpose.
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Tuples( or arrays ) as Dictionary keys in C#
...string. I tried using arrays as keys, but that did not work, and I don't know what else to do. At this point I am considering making a Dictionary of Dictionaries of Dictionaries, but that would probably not be very pretty to look at, though it is how I would do it in javascript.
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How to completely uninstall Android Studio on Mac?
...install it again as if you would do the first time, but it did nothing and now the same problems occur.
5 Answers
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Visual Studio support for new C / C++ standards?
...e this one:
https://devblogs.microsoft.com/cppblog/iso-c-standard-update/
Now, the Visual C++ compiler team receives the occasionally question as to why we haven’t implemented C99. It’s really based on interest from our users. Where we’ve received many requests for certain C99 features, we...
In Eclipse, can I have multiple Console views at once, each showing a different Console?
...k this button one of your options should be "New Console View".
You'll now have 2 console views.
One of your other buttons near your console tab is "Display Selected Console". When you choose this option you can select from any of your running applications.
Just select the tab, select which a...
jQuery append() - return appended elements
...et) (note the "To" bit) to add that it to the end of #mydiv.
Because you now start with $(newHtml) the end result of appendTo('#myDiv') is that new bit of html, and the .effects(...) call will be on that new bit of html too.
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How can I read and parse CSV files in C++?
...:cout << "4th Element(" << (*loop)[3] << ")\n";
}
}
Now that we are in 2020 lets add a CSVRange object:
class CSVRange
{
std::istream& stream;
public:
CSVRange(std::istream& str)
: stream(str)
{}
CSVIterator begin() const {...
How can I find and run the keytool
...ow these steps (for facebook apps)
Download the openssl for windows here
now unzip to c drive
open cmd prompt
type cd C:\Program Files\Java\jdk1.6.0_26\bin
then type only keytool -export -alias myAlias -keystore C:\Users\<your user name>\.android\myKeyStore | C:\openssl-0.9.8k_WIN32\bin\open...
How to Deep clone in javascript
... this.name = "Object test";
}
}
]
})
And now, let's talk about problems you might get when start cloning REAL objects. I'm talking now, about objects which you create by doing something like
var User = function(){}
var newuser = new User();
Of course you can clo...