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How to change the type of a field?
...now how you'd convert a string (think currency like '1.23') to the integer 123? I assume you'd have to parse it as a float or decimal, multiply it by 100, then save it as an integer, but I can't find the right docs to do this. Thanks!
– Brian Armstrong
Feb 23...
Test if string is a number in Ruby on Rails
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\Z allows to have \n at the end of the string, so "123\n" will pass validation, regardless that it's not fully numeric. But if you use \z then it will be more correct regexp: /\A\d+\z/
– SunnyMagadan
Aug 14 '17 at 9:14
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Basic HTTP authentication with Node and Express 4
...xpress-basic-auth');
app.use(basicAuth({
users: { admin: 'supersecret123' },
challenge: true // <--- needed to actually show the login dialog!
}));
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Can an Option in a Select tag carry multiple values?
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one option is to put multi value with comma seperated
like
value ="123,1234"
and in the server side separate them
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super() raises “TypeError: must be type, not classobj” for new-style class
...ates objects of type instance (whereas a new-style class creates objects whose type is the class itself). This is probably why the instance OldStyle() is an object: its type() inherits from object (the fact that its class does not inherit from object does not count: old-style classes merely constru...
Open Sublime Text from Terminal in macOS
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I finally got this to work on my OSX box. I used these steps to get it to work:
Test subl from your ST installation:
First, navigate to a small folder in Terminal that you want ST to open and enter the following command:
/Applications/Sublime\ Text.app/C...
Pretty printing XML in Python
....minidom.parseString(s).toprettyxml()'
– Anton I. Sipos
Apr 17 '12 at 22:17
11
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Writing a list to a file with Python
...ist must fit in memory. If this is not the case, line by line is indeed a possible strategy (or else going with some alternative as in stackoverflow.com/questions/7180212/…)
– Filippo Mazza
Feb 12 '18 at 14:52
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How can I configure the font size for the tree item in the package explorer in Eclipse?
...general look-and-feel for whatever desktop you are using.
On Linux it is possible to override the system font when you invoke Eclipse. An excellent writeup of various possibilities is here, to which I owe this answer. I'll repeat one suggestion from there for posterity. Create a file named, say, gt...
When to use std::forward to forward arguments?
...hit upon an example of a bank account that we pass along
the cash to be deposited as an argument.
So if we have a const version of an account we should expect when we pass it to our deposit template<> that the const function is called; and this then throws an exception (the idea being this wa...