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Regular expression: find spaces (tabs/space) but not newlines
...included in \s for any implementation I've tried so far (Perl, .NET, PCRE, Python). You'll need to either normalize your strings first (such as by replacing all \u3000 with \u0020), or you'll have to use a character set that includes this codepoint in addition to whatever other whitespace you're ta...
How to check if one of the following items is in a list?
... (1 or 2)
1
>>> (2 or 1)
2
That should probably explain it. :) Python apparently implements "lazy or", which should come as no surprise. It performs it something like this:
def or(x, y):
if x: return x
if y: return y
return False
In the first example, x == 1 and y == 2. ...
Multiple ModelAdmins/views for same model in Django admin
...
Not the answer you're looking for? Browse other questions tagged python django django-admin or ask your own question.
How can I get this ASP.NET MVC SelectList to work?
...t;
</select>
Update: A revised code listing can be found here with XML comments.
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Return value in a Bash function
... to the function and the
commands it invokes.
For someone with a C/C++/Python/Java/C#/javascript background, this is probably the biggest hurdle: functions in bash are not functions, they are commands, and behave as such: they can output to stdout/stderr, they can pipe in/out, they can return an...
How to define a function in ghci across multiple lines?
...
Setting multiline mode makes ghci behave much like the Python interpreter in this regard. Very convenient! You can in fact create a .ghci file in your home directory in which you put :set +m and multiline mode will become the default every time you start ghci!
...
Why do we need Abstract factory design pattern?
...ur application supports different data stores. (e.g. a SQL Database and an XML file). You have two different data access interfaces e.g. an IReadableStoreand IWritableStore defining the common methods expected by your application regardless of the type of data source used.
Which type of data source...
How do I return the response from an asynchronous call?
...(url) {
return new Promise(function(resolve, reject) {
var xhr = new XMLHttpRequest();
xhr.onload = function() {
resolve(this.responseText);
};
xhr.onerror = reject;
xhr.open('GET', url);
xhr.send();
});
}
ajax("/echo/json")
.then(function(result) {
// Code d...
How to access array elements in a Django template?
... dot notation in a Django template is used for four different notations in Python. In a template, foo.bar can mean any of:
foo[bar] # dictionary lookup
foo.bar # attribute lookup
foo.bar() # method call
foo[bar] # list-index lookup
It tries them in this order until it fin...
Separation of business logic and data access in django
... I like this approach too, coming also fro java. I'm new to python, How would you test views.py? How would you mock service layer (if, for example, service makes some remote api calls) ?
– Teimuraz
Aug 12 '16 at 19:37
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