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Unable to import a module that is definitely installed
After installing mechanize , I don't seem to be able to import it.
32 Answers
32
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Checking if an object is null in C#
I would like to prevent further processing on an object if it is null.
17 Answers
17
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SQL query return data from multiple tables
...ing two or more tables using an inner join (See the wikipedia entry for additional info)
How to use a union query
Left and Right Outer Joins (this stackOverflow answer is excellent to describe types of joins)
Intersect queries (and how to reproduce them if your database doesn't support them) - this ...
Get unique values from a list in python [duplicate]
...ob', 'debate', 'thenandnow']
myset = set(mylist)
print(myset)
If you use it further as a list, you should convert it back to a list by doing:
mynewlist = list(myset)
Another possibility, probably faster would be to use a set from the beginning, instead of a list. Then your code should be:
outp...
What is a Windows Handle?
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It's an abstract reference value to a resource, often memory or an open file, or a pipe.
Properly, in Windows, (and generally in computing) a handle is an abstraction which hides a real memory address from the API user, allo...
Populating a database in a Laravel migration file
...follow
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edited Oct 4 '12 at 21:31
answered Oct 4 '12 at 21:25
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Copy a variable's value into another
I have a variable which has a JSON object as its value. I directly assign this variable to some other variable so that they share the same value. This is how it works:
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Overriding superclass property with different type in Swift
...n Swift, can someone explain how to override a property on a superclass's with another object subclassed from the original property?
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Can't connect to local MySQL server through socket '/var/mysql/mysql.sock' (38)
...r file my.cnf (usually in the /etc/mysql/ folder) is correctly configured with
socket=/var/lib/mysql/mysql.sock
you can check if mysql is running with the following command:
mysqladmin -u root -p status
try changing your permission to mysql folder. If you are working locally, you can try:
sud...
Responsive css background images
I have a website (g-floors.eu) and I want to make the background (in css I have defined a bg-image for the content) also responsive. Unfortunately I really don't have any idea on how to do this except for one thing that I can think of but it's quite a workaround. Creating multiple images and then us...