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How do I install from a local cache with pip?
...rding to the Pip documentation:
Starting with v6.0, pip provides an on by default cache which functions similarly to that of a web browser. While the cache is on by default and is designed do the right thing by default you can disable the cache and always access PyPI by utilizing the --no-cache-...
jQuery checkbox event handling
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Just a small tip. You will get a performance boost by using input:checkbox in your selector instead of just :checkbox since the latter is translated to the universal selector *:checkbox.
– jimmystormig
Feb 1 '12 at 15:28
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Git will not init/sync/update new submodules
... above git submodule add url should do the trick. One can cross check this by
git config --list
and one should get an entry of the submodule you want to pull in the result of the git config --list command. If there is an entry of your submodule in the config result, then now the usual git submo...
Will web browsers cache content over https
Will content requested over https still be cached by web browsers or do they consider this insecure behaviour? If this is the case is there anyway to tell them it's ok to cache?
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Pointers vs. values in parameters and return values
... have to change, and otherwise pass values, because getting things changed by surprise via a pointer is confusing.
One case where you should often use a pointer:
Receivers are pointers more often than other arguments. It's not unusual for methods to modify the thing they're called on, or for n...
Delete duplicate rows from small table
...ING (
SELECT MIN(ctid) as ctid, key
FROM dups
GROUP BY key HAVING COUNT(*) > 1
) b
WHERE a.key = b.key
AND a.ctid <> b.ctid
share
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improve this a...
How to sort Map values by key in Java?
...reTo() result of 0 is 'equals'. If you're writing a comparator that sorts by string length, then you need to return a positive or negative value based on which string is longer, and only return 0 if both strings are the same length. if a and b are strings you can do this like so `return a.length()...
How do you detect where two line segments intersect? [closed]
...tion algorithm from the article "Intersection of two lines in three-space" by Ronald Goldman, published in Graphics Gems, page 304. In three dimensions, the usual case is that the lines are skew (neither parallel nor intersecting) in which case the method gives the points of closest approach of the ...
Is it possible to disable floating headers in UITableView with UITableViewStylePlain?
...
You should be able to fake this by using a custom cell to do your header rows. These will then scroll like any other cell in the table view.
You just need to add some logic in your cellForRowAtIndexPath to return the right cell type when it is a header row...
Sleep until a specific time/date
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As mentioned by Outlaw Programmer, I think the solution is just to sleep for the correct number of seconds.
To do this in bash, do the following:
current_epoch=$(date +%s)
target_epoch=$(date -d '01/01/2010 12:00' +%s)
sleep_seconds=$(...