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Difference between hard wrap and soft wrap?
...nd, soft wrapping is annoying because most all command line tools use line-based diff-ing (version control is where this becomes most noticeable to me). If you've got a 1/3-page paragraph that's soft wrapped and fix a typo, it's basically impossible to see where the change is in a regular diff outpu...
Getting the location from an IP address [duplicate]
...lient-side scripting, PHP for server-side scripting, and MySQL for the database.
23 Answers
...
How would I extract a single file (or changes to a file) from a git stash?
...directory like git stash apply would. (So if you have any changes from the base the stash was created on, they'll be lost).
– peterflynn
Apr 5 '13 at 22:04
...
Performing a Stress Test on Web Application?
...ng a number of different server types (for example, web, web services, database, just about anything that uses requests basically).
It does however have a steep learning curve once you start getting to complicated tests, but it's well worth it. You can get up and running very quickly, and depending...
Unpivot with column name
...le expression can be fully avoided if there are strictly no null values in base table)
select *
from
(
select name, subject,
case subject
when 'Maths' then maths
when 'Science' then science
when 'English' then english
end as Marks
from studentmarks
Cross Join (values('Ma...
How was the first compiler written?
...
My first computer was a Z80-based machine in whose ROM monitor I had to hand-assemble a bootstrap loader to bring up the basics of an operating system (CP/M) so I could assemble the rest of said operating system into a working system, complete with a di...
Git: Ignore tracked files
...hat file appears in a .gitignore. My use case is something like "here's a base template of a file where you'd store your credentials in, now never commit it".
– Jon V
Jan 20 '17 at 22:01
...
What is a stored procedure?
... for each table you have an Insert, Update, Delete and at least one select based on the primary key, that means each table will have 4 procedures. Now take a decent size database of 400 tables, and you have 1600 procedures! And that's assuming you don't have duplicates which you probably will.
This...
How to generate random SHA1 hash to use as ID in node.js?
... do this by generating 1 million random numbers and incrementing a counter based on the .length of each number.
// get distribution
var counts = [], rand, len;
for (var i=0; i<1000000; i++) {
rand = Math.random();
len = String(rand).length;
if (counts[len] === undefined) counts[len] = 0;
...
How to calculate moving average using NumPy?
...ou can easily implement it with np.cumsum, which may be is faster than FFT based methods:
EDIT Corrected an off-by-one wrong indexing spotted by Bean in the code. EDIT
def moving_average(a, n=3) :
ret = np.cumsum(a, dtype=float)
ret[n:] = ret[n:] - ret[:-n]
return ret[n - 1:] / n
>...