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Split a vector into chunks in R
...along(d)/20))
More details: I think all you need is seq_along(), split() and ceiling():
> d <- rpois(73,5)
> d
[1] 3 1 11 4 1 2 3 2 4 10 10 2 7 4 6 6 2 1 1 2 3 8 3 10 7 4
[27] 3 4 4 1 1 7 2 4 6 0 5 7 4 6 8 4 7 12 4 6 8 4 2 7 6 5
[53] 4 5 ...
Cross-referencing commits in github
...people can find it without following the link to the Autolinked References and URLs section of the GitHub help:
User/Project@SHA
For example:
mojombo/god@be6a8cc1c1ecfe9489fb51e4869af15a13fc2cd2
Short SHAs work as well (as long as they are unique):
mojombo/god@be6a8cc
...
error LNK2019: unresolved external symbol _WinMain@16 referenced in function ___tmainCRTStartup
... This worked only after I selected "all configurations" for both platform and type. Selecting "build" on the "Solution" attempted to build all and the first one tried was NOT the one had specified for console subsystem.
– Joseph Stateson
Nov 29 '19 at 18:37
...
Adding command line options to CMake
I'm building a large library using CMake, and I would like users to be able to selectively enable/disable certain parts of my build process.
...
How to get Twitter-Bootstrap navigation to show active link?
I'm not understanding how Twitter Bootstrap does active links for the navigation. If I have a regular navigation like this (with ruby on rails linking):
...
Is it possible to get element from HashMap by its position?
...
Use a LinkedHashMap and when you need to retrieve by position, convert the values into an ArrayList.
LinkedHashMap<String,String> linkedHashMap = new LinkedHashMap<String,String>();
/* Populate */
linkedHashMap.put("key0","value0");...
GET URL parameter in PHP
...articular, it's a superglobal: a built-in variable that's populated by PHP and is available in all scopes (you can use it from inside a function without the global keyword).
Since the variable might not exist, you could (and should) ensure your code does not trigger notices with:
<?php
if (isse...
How to get database structure in MySQL via query
...e table name after db name in mysqldump. You get the same results with SQL and SHOW CREATE TABLE:
SHOW CREATE TABLE table;
Or DESCRIBE if you prefer a column listing:
DESCRIBE table;
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im...
Remove duplicates from an array of objects in JavaScript
...alculating it on every iteration. Assign it to a variable outside the loop and pass the variable instead of the things.thing.length.
– 0v3rth3d4wn
Aug 26 '14 at 12:56
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matplotlib.pyplot will not forget previous plots - how can I flush/refresh?
...after every plt.show() to just clear the current figure instead of closing and reopening it, keeping the window size and giving you a better performance and much better memory usage.
Similarly, you could do plt.cla() to just clear the current axes.
To clear a specific axes, useful when you have mu...
