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Trying to git pull with error: cannot open .git/FETCH_HEAD: Permission denied
...ery common problem .. ok if you work with different user and and something from another user you have changed your permissions its a bit tricky.
– René Höhle
Apr 8 '15 at 7:53
...
How to increment a pointer address and pointer's value?
...ce but they are evaluated right-to-left. The code means "take the contents from where ptr points at, then increment ptr". It is very common C code (and yes, quite confusing). Please correct this and I'll remove the downvote. Same for *(ptr)++, the parenthesis does nothing.
– Lu...
Is there an “exists” function for jQuery?
...
In my opinion, it's at least one logical indirection from the concept of "a list length that is greater than zero" to the concept of "the element(s) I wrote a selector for exist". Yeah, they're the same thing technically, but the conceptual abstraction is at a different level. ...
How to manually install an artifact in Maven 2?
...ed to install an artifact manually with Maven 2. I wanted to install a jar from a local directory with the command
6 Answer...
What is the best django model field to use to represent a US dollar amount?
...ually manage output, formatting etc.
I would suggest using django-money:
from djmoney.models.fields import MoneyField
from django.db import models
def SomeModel(models.Model):
some_currency = MoneyField(
decimal_places=2,
default=0,
default_currency='USD',
max...
Python 2.7 getting user input and manipulating as string without quotations
I want to get a string from a user, and then to manipulate it.
8 Answers
8
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Are there inline functions in java?
... can exit if the code has expired. If I reference the EXPIRED_ON variable from another class, the constant is inline to the byte code, making it very hard to track down all places in the code that checks the expiry date. However, if the other classes invoke the isExpired() method, the actual metho...
Why is \r a newline for Vim?
From question How to replace a character for a newline in Vim? . You have to use \r when replacing text for a newline, like this
...
Useful example of a shutdown hook in Java?
... do a graceful "reject all clients upon hitting Control-C" in terminal.
From the docs:
When the virtual machine begins its shutdown sequence it will start all registered shutdown hooks in some unspecified order and let them run concurrently. When all the hooks have finished it will then run a...
Find the files that have been changed in last 24 hours
...
You can do that with
find . -mtime 0
From man find:
[The] time since each file was last modified is divided by 24 hours and any remainder is discarded. That means that to
match -mtime 0, a file will have to have a modification in the past which is ...