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Where are my postgres *.conf files?
..._US.UTF-8' # locale for system error message
# strings
lc_monetary = 'en_US.UTF-8' # locale for monetary formatting
lc_numeric = 'en_US.UTF-8' # locale for number formatting
lc_time = 'en_US.UTF-8' # locale for time formatting
# default confi...
What are the differences between numpy arrays and matrices? Which one should I use?
... here. Instead of performing fewer checks, using matrix*matrix requires an extra function call. So the advantage of using matrix is purely syntactic, not better performance.
– unutbu
Sep 18 '17 at 20:44
...
Git: “Not currently on any branch.” Is there an easy way to get back on a branch, while keeping the
... some-branch
git merge ${commit-sha}
If you have committed and then done extra work:
git stash
git log --oneline -n1 # this will give you the SHA
git checkout some-branch
git merge ${commit-sha}
git stash pop
share
...
What is the difference between old style and new style classes in Python?
...I can see of the new-style classes. There is a disadvantage, which is the extra typing of (object).
– recursive
May 3 '11 at 12:45
...
Is “double hashing” a password less secure than just hashing it once?
...len($input); $i++) {
$result += ord($input[$i]);
}
return (string) ($result % 256);
}
Now it should be pretty obvious what this hash function does. It sums together the ASCII values of each character of input, and then takes the modulo of that result with 256.
So let's test it out:
...
What's the UIScrollView contentInset property for?
...ntent enough to type into it. With the inset, it is as if the content had extra "BLANK CONTENT" the size of the content inset. Blank text has been "inset" into the real "content" -- that's how I remember the concept.
share...
How are Python's Built In Dictionaries Implemented?
... ...
For a 64 bit machine, this could save up to 16 bytes per key per extra dictionary.
Shared Keys for Custom Objects & Alternatives
These shared-key dicts are intended to be used for custom objects' __dict__. To get this behavior, I believe you need to finish populating your __dict__ be...
What is Python buffer type for?
...00634ab0>
>>> print t
world
The buffer in this case is a sub-string, starting at position 6 with length 5, and it doesn't take extra storage space - it references a slice of the string.
This isn't very useful for short strings like this, but it can be necessary when using large amount...
Cannot create an NSPersistentStoreCoordinator with a nil model
...
This specific issue is caused by creating an extra model version and then attempting to delete it manually while Xcode is open. This causes some kind of corruption. You should not be passing in specific model versions in the momd directory.
– Mike ...
PHP global in functions
...of external code on which it depends? It can not function without a lot of extras. Using the Zend framework, have you ever changed the implementation of an interface? An interface is in fact a global.
Another globally used application is Drupal. They are very concerned about proper design, but just...