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How to merge a list of lists with same type of items to a single list of items?
...es, convert each TSource in the list into an IEnumerable of TResults, then concatenate all those IEnumerables into one big one. In this case you have a list of lists to start, so if you want to concatenate them the function to map from a TSource (which is an IEnumerable of TResults) to an IEnumerabl...
Array_merge versus + [duplicate]
... instead using two new functions we wrote. "array_merge_by_key" and "array_concat" instead of a single function with a heuristic that tries to guess at what you want
– Yuliy
Jul 28 '14 at 0:38
...
Generate random password string with requirements in javascript
... return x[Math.floor(Math.random() * x.length)];
}).join('');
}).concat().join('').split('').sort(function(){
return 0.5-Math.random();
}).join('')
}
// invoke like so: randPassword(5,3,2);
Same thing, as a 2-liner (admittedly, very long and ugly lines-- and won't be a 1-liner if ...
const char* concatenation
I need to concatenate two const chars like these:
12 Answers
12
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Convert int to string?
... containing your integer; and then create a 3rd string that contains the 2 concated. string.Format("xyz{0}", i); on the other hand, is able to produce just 2 strings - as it's concatting them inline. This performance becomes more noticeable as the strings get longer.
– UKMonk...
Open a file with su/sudo inside Emacs
...le as root."
(interactive "FSudo Find File: ")
(let ((tramp-file-name (concat "/sudo::" (expand-file-name file-name))))
(find-file tramp-file-name)))
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https connection using CURL from command line
...h any CA certs. Since the cacert option can only use one file, you need to concat the full chain info into 1 file
Copy the certificate chain (from your browser, for example) into DER encoded binary x.509(.cer). Do this for each cert.
Convert the certs into PEM, and concat them into 1 file.
open...
How to highlight text using javascript
...the way, if you search in a database with LIKE,
e.g. WHERE textField LIKE CONCAT('%', @query, '%') [which you shouldn't do, you should use fulltext-search or Lucene], then you can escape every character with \ and add an SQL-escape-statement, that way you'll find special characters that are LIKE-ex...
How to create a video from images with FFmpeg?
....txt like below.
# this is a comment details https://trac.ffmpeg.org/wiki/Concatenate
file 'E:\images\png\images__%3d.jpg'
file 'E:\images\jpg\images__%3d.jpg'
Sample usage as follows;
"h:\ffmpeg\ffmpeg.exe" -y -r 1/5 -f concat -safe 0 -i "E:\images\imagepaths.txt" -c:v libx264 -vf "fps=25,form...
BestPractice - Transform first character of a string into lower case
...
I would use simple concatenation:
Char.ToLowerInvariant(name[0]) + name.Substring(1)
The first solution is not optimized because string.Format is slow and you don't need it if you have a format that will never change. It also generates an ex...