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How do I do string replace in JavaScript to convert ‘9.61’ to ‘9:61’?
...ch is which.
Replace all occurrences
To replace multiple characters at a time use some thing like this: name.replace(/&/g, "-"). Here I am replacing all & chars with -. g means "global"
Note - you may need to add square brackets to avoid an error - title.replace(/[+]/g, " ")
credits v...
Can I get a list of files marked --assume-unchanged?
... 'assume-unchanged'.
git ls-files -v|grep "^h"
I've used this lots of times in different environments and it works perfectly.
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How do I run all Python unit tests in a directory?
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Not always doable: sometimes importing structure of the project can lead to nose getting confused if it tries to run the imports on modules.
– chiffa
Nov 20 '15 at 13:47
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How do I return NotFound() IHttpActionResult with an error message or exception?
...end against the inheritance tip. My team decided to do exactly that a long time ago, and it bloated the classes a lot by doing it. I just recently refactored all of it into extension methods and moved away from the inheritance chain. I'd seriously recommend people to carefully consider when they sho...
Database sharding vs partitioning
...tition instead of 104 partitions. This query could potentially execute 100 times faster simply because of partition pruning.
Partitioning Strategies
Range
Hash
List
You can read their text and visualize their images which explain everything pretty well.
And lastly, it is important to understan...
git checkout tag, git pull fails in branch
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First, make sure you are on the right branch.
Then (one time only):
git branch --track
After that this works again:
git pull
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List comprehension: Returning two (or more) items for each item
...rable((f(x), g(x)) for x in range(3)))
[2, 0, 3, 1, 4, 4]
Timings:
from timeit import timeit
f = lambda x: x + 2
g = lambda x: x ** 2
def fg(x):
yield f(x)
yield g(x)
print timeit(stmt='list(chain.from_iterable((f(x), g(x)) for x in range(3)))',
setup='gc.enable(); from it...
Difference between Divide and Conquer Algo and Dynamic Programming
...ivide and conquer:
Does more work on the sub-problems and hence has more time consumption.
In divide and conquer the sub-problems are independent of each other.
Dynamic programming:
Solves the sub-problems only once and then stores it in the table.
In dynamic programming the sub-problem are no...
Compare DATETIME and DATE ignoring time portion
I have two tables where column [date] is type of DATETIME2(0) .
5 Answers
5
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Benefit of using Parcelable instead of serializing object
...as made). I've been using java serialization without any issues for a long time now. You can find some potentially interesting things on this topic in a blog post I've just written. nemanjakovacevic.net/blog/english/2015/03/24/…
– Nemanja Kovacevic
Mar 25 '15...