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What does FETCH_HEAD in Git mean?
...te; FETCH_HEAD points to the tip of this branch (it stores the SHA1 of the commit, just as branches do). git pull then invokes git merge, merging FETCH_HEAD into the current branch.
The result is exactly what you'd expect: the commit at the tip of the appropriate remote branch is merged into the co...
How to create an HTML button that acts like a link?
... specify the desired target URL in the action attribute.
<form action="https://google.com">
<input type="submit" value="Go to Google" />
</form>
If necessary, set CSS display: inline; on the form to keep it in the flow with the surrounding text. Instead of <input type="su...
Python function global variables?
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Python Linked List
...
Thomas Watnedal suggested a good educational resource How to Think Like a Computer Scientist, Chapter 17: Linked lists:
A linked list is either:
the empty list, represented by None, or
a node that contains a cargo object and a reference to a linked list.
class Node:
def __init__(self, carg...
Updating the list view when the adapter data changes
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Get notified when UITableView has finished asking for data?
... made to UITableView implementation since the answer was written. See this comment : Get notified when UITableView has finished asking for data?
I've been playing with this problem for a couple of days and think that subclassing UITableView's reloadData is the best approach :
- (void)reloadData {
...
Compute a confidence interval from sample data
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Getting “unixtime” in Java
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What is the best way to implement nested dictionaries?
...d you don't know what you're going to get for keys, but repetitive usage becomes quite burdensome, and I don't think anyone would want to keep up the following:
d = dict()
d.setdefault('foo', {}).setdefault('bar', {})
d.setdefault('foo', {}).setdefault('baz', {})
d.setdefault('fizz', {}).setdefault...
How to create abstract properties in python abstract classes
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