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How to verify a user's password in Devise
...se gem in rails. User password stored on my db which is encrypted_password and i am trying to find user by password, but I don't understand how to match password from form and encrypted_password in my db.
...
How can I discover the “path” of an embedded resource?
...tility
{
/// <summary>
/// Takes the full name of a resource and loads it in to a stream.
/// </summary>
/// <param name="resourceName">Assuming an embedded resource is a file
/// called info.png and is located in a folder called Resources, it
/// will be co...
How do I create a foreign key in SQL Server?
I have never "hand-coded" object creation code for SQL Server and foreign key decleration is seemingly different between SQL Server and Postgres. Here is my sql so far:
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How do I create a Python function with optional arguments?
... *args, **kwargs):
for ar in args:
print ar
myfunc(a,b,c,d,e,f)
And it will print values of c,d,e,f
Similarly you could use the kwargs argument and then you could name your parameters.
def myfunc(a,b, *args, **kwargs):
c = kwargs.get('c', None)
d = kwargs.get('d', None)
...
Python Dictionary Comprehension
...to add keys to an existing dictionary. Also, you have to specify the keys and values, although of course you can specify a dummy value if you like.
>>> d = {n: n**2 for n in range(5)}
>>> print d
{0: 0, 1: 1, 2: 4, 3: 9, 4: 16}
If you want to set them all to True:
>>>...
How to exclude this / current / dot folder from find “type d”
... because of the !.
To exclude other directories, this will golf less well and requires a variable for DRYness:
D="long_name"
find "$D" ! -path "$D" -type d
My decision tree between ! and -mindepth:
script? Use ! for portability.
interactive session on GNU?
exclude .? Throw a coin.
exclude lo...
How do you convert a jQuery object into a string?
... a new node to wrap the item of interest, do the manipulations, remove it, and grab the HTML.
If you're just after a string representation, then go with new String(obj).
Update
I wrote the original answer in 2009. As of 2014, most major browsers now support outerHTML as a native property (see, fo...
HTML 5 strange img always adds 3px margin at bottom [duplicate]
...
This problem is caused by the image behaving like a character of text (and so leaving a space below it where the hanging part of a "y" or "g" would go), and is solved by using the vertical-align CSS property to indicate that no such space is needed. Almost any value of vertical-align will do; I...
Intellij idea subversion checkout error: `Cannot run program “svn”`
...
I solved this by uncheking the "Use command-line client" option from Subversion settings.
This works with version 1.6 and 1.7 only. See @Vic's answer for SVN version 1.8.
share
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Configuring so that pip install can work from github
...│ ├── __init__.py
│ └── bar.py
└── setup.py
And install from github like:
$ pip install git+ssh://git@github.com/myuser/foo.git
or
$ pip install git+https://github.com/myuser/foo.git@v123
or
$ pip install git+https://github.com/myuser/foo.git@newbranch
More info at ht...