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Find unique rows in numpy.array
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Note that if you want unique rows ignoring order of values in the row, you can sort the original array in the columns direct first: original_array.sort(axis=1)
– mangecoeur
Mar 2 at 11:59
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Why is rbindlist “better” than rbind?
...bind.data.frame will account for the fact that columns may be in different orders, and match up by name), rbindlist doesn't do this kind of checking, and will join by position
eg
do.call(rbind, list(data.frame(a = 1:2, b = 2:3), data.frame(b = 1:2, a = 2:3)))
## a b
## 1 1 2
## 2 2 3
## 3 2 ...
What does the tilde before a function name mean in C#?
...nce is destructed, the destructors in its inheritance chain are called, in order, from most derived to least derived.
Finalize
In C#, the Finalize method performs the operations that a standard C++ destructor would do. In C#, you don't name it Finalize -- you use the C++ destructor syntax of pla...
Need to list all triggers in SQL Server database with table name and table's schema
...were attempting to pull the parent tables schema information, I believe in order to do so you would also need to join the sysobjects table on itself so that you can correctly get the schema information for the parent table. the query above does this. Also the sysusers table wasn't needed in the resu...
Correct way to pause Python program
...y, someone might be interrupted while reading it and want a lot more time, etc. Also, if someone uses the program a lot, he/she may become used to how it works and not need to even read the long text. It's just friendlier to let the user control how long the block of text is displayed for reading....
What's the difference between git reflog and log?
...te.)
git reflog doesn't traverse HEAD's ancestry at all. The reflog is an ordered list of the commits that HEAD has pointed to: it's undo history for your repo. The reflog isn't part of the repo itself (it's stored separately to the commits themselves) and isn't included in pushes, fetches or clone...
Rename column SQL Server 2008
...ote in your answer that this stored procedure handles default values, null etc contraints while doing the rename, as opposed to a plain alter table that will FAIL if such constraints exist.
– Tuncay Göncüoğlu
Aug 23 '17 at 12:06
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How to wait for a number of threads to complete?
...l the respective thread has completed. Threads may complete in a different order than you joining them, but that's not a problem: when the loop exits, all threads are completed.
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no acceptable C compiler found in $PATH when installing python
... the methods of installing build-essential, which contains gcc, g++, make, etc.
– Spectral
Jul 9 '14 at 20:06
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What is the difference between localStorage, sessionStorage, session and cookies?
... back to the server for every HTTP request (HTML, images, JavaScript, CSS, etc) - reducing the amount of traffic between client and server.
The data stored in localStorage persists until explicitly deleted. Changes made are saved and available for all current and future visits to the site.
Cons:
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