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Replace one character with another in Bash
...uess) one may prefer tr for long strings. On my system tr outperforms bash starting at strings with more than 1000 characters. It seems like bash's time complexity is worse than linear. A small test: x="$(tr -dc 'a-z \n' </dev/urandom | head -c1M)"; time y="$(tr ' ' \\- <<< "$x")"; time ...
iOS 7 - How to display a date picker in place in a table view?
...p;& indexPath.row == 2) { // this is my picker cell
if (editingStartTime) {
return 219;
} else {
return 0;
}
} else {
return self.tableView.rowHeight;
}
}
When the row showing the date is clicked, I change the flag and do the upda...
Comparing two byte arrays in .NET
... of the array as possible. This kind of counts on the fact that the arrays start qword aligned. It'll work if not qword aligned, just not as fast as if it were.
It performs about seven timers faster than the simple for loop. Using the J# library performed equivalently to the original for loop. Usin...
Bamboo Vs. Hudson(a.k.a. Jenkins) vs Any other CI systems [closed]
...scripting required though.
Price: Bamboo is not free(apart from our free starter license)/libre/open-source, but you will get Bamboo's source-code if you purchase a commercial license and full support. Compared to the cost of computing power and potential maintenance required for a CI server, the ...
erb, haml or slim: which one do you suggest? And why? [closed]
...lthough I actually think this is a great example of flexibility to someone starting out it could be a pain.)
added as a gem (again probably a stretch to put this as a con)
designers might have some trouble adjusting
in addition to the general whitespace warning... simple whitespace errors eg. tabs a...
Can Retrofit with OKHttp use cache data when offline
...
The answer is YES, based on the above answers, I started writing unit tests to verify all possible use cases :
Use cache when offline
Use cached response first until expired, then network
Use network first then cache for some requests
Do not store in cache for some respo...
Changing my CALayer's anchorPoint moves the view
...
For me understanding position and anchorPoint was easiest when I started comparing it with my understanding of frame.origin in UIView. A UIView with frame.origin = (20,30) means that the UIView is 20 points from left and 30 points from top of its parent view. This distance is calculated fr...
jsonify a SQLAlchemy result set in Flask [duplicate]
...rribly painful to backport if you need.
The first thing we're gonna do is start with a mixin that makes your db models act kinda like dicts:
from sqlalchemy.inspection import inspect
class ModelMixin:
"""Provide dict-like interface to db.Model subclasses."""
def __getitem__(self, key):
...
Split string based on a regular expression
...
How can I use this if I have a string that starts and ends with withspace. example: ' a b c de '. For this the output comes as ['', 'a', 'b', 'c', 'de', '']
– Rakholiya Jenish
Jun 19 '15 at 8:24
...
Imitate Facebook hide/show expanding/contracting Navigation Bar
...
The solution given by @peerless is a great start, but it only kicks off an animation whenever dragging begins, without considering the speed of the scroll. This results in a choppier experience than you get in the Facebook app. To match Facebook's behavior, we need to...