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What exactly do the Vagrant commands do?
...l. You could do use normal ssh command - ssh -i keyfile ..
vagrant status <vmname>
This command is a wrapper which provides the information on the status of vm. It could be running, saved and powered off.
vagrant reload
If you make any changes to the configuration in vagrantfile which needs ...
Best way to structure a tkinter application? [closed]
...it__(self, parent, *args, **kwargs)
self.parent = parent
<create the rest of your GUI here>
if __name__ == "__main__":
root = tk.Tk()
MainApplication(root).pack(side="top", fill="both", expand=True)
root.mainloop()
The important things to notice are:
I don't u...
What is the overhead of creating a new HttpClient per call in a WebAPI client?
...API client?
Is it better to have one instance of the HttpClient for multiple calls?
7 Answers
...
SQL Server dynamic PIVOT query?
...(' + @cols + ')
) p '
execute(@query)
drop table temp
Results:
Date ABC DEF GHI
2012-01-01 00:00:00.000 1000.00 NULL NULL
2012-02-01 00:00:00.000 NULL 500.00 800.00
2012-02-10 00:00:00.000 NULL 700.00 NULL
2012-03...
What is q=0.5 in Accept* HTTP headers?
...eference for the languages specified by that range. The quality value defaults to "q=1". For example,
Accept-Language: da, en-gb;q=0.8, en;q=0.7
would mean: "I prefer Danish, but will accept British English and other types of English."
...
SQL Server SELECT into existing table
... WHERE SYSCOL1.object_id = SYSCOL2.object_id and SYSCOL1.is_identity <> 1
ORDER BY SYSCOL1.object_id
FOR XML PATH ('')
), 2, 1000)
FROM
sys.columns SYSCOL2
WHERE
SYSCOL2.object_id = object_id('dbo.TableOne') )
SET @SQL_INSERT = 'INSERT INTO dbo.Ta...
What is the EAFP principle in Python?
...r a way of avoiding both of those, if the handler is just assigning a default value to x when the key doesn't exist: x = mydict.get('key') will return None if 'key' is not in my_dict; you could also do .get('key', <something>), and then x will be assigned that something if the key isn't in the...
List vs Set vs Bag in NHibernate
...licate. Can be sorted by defining an orderby or by defining a comparer resulting in a SortedSet result.
Bag: Unordered list of entities, duplicates allowed. Use a .NET ICollection<T> in code. The index column of the list is not mapped and not honored by NHibernate.
...
Pass Variables by Reference in Javascript
...an object) and then have a function modify the object contents:
function alterObject(obj) {
obj.foo = "goodbye";
}
var myObj = { foo: "hello world" };
alterObject(myObj);
alert(myObj.foo); // "goodbye" instead of "hello world"
You can iterate over the properties of an array with a numeric in...
Purpose of Django setting ‘SECRET_KEY’
...tings.SECRET_KEY)
contrib/formtools/utils.py:15: order, pickles the result with the SECRET_KEY setting, then takes an md5
contrib/formtools/utils.py:32: data.append(settings.SECRET_KEY)
contrib/messages/storage/cookie.py:112: SECRET_KEY, modified to make it unique for the present purpos...