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Generating a random & unique 8 character string using MySQL
... us to concentrate on the uniqueness first. Non-random uniqueness can trivially be achieved with AUTO_INCREMENT. So using a uniqueness-preserving, pseudo-random transformation would be fine:
Hash has been suggested by @paul
AES-encrypt fits also
But there is a nice one: RAND(N) itself!
A sequenc...
Should I use SVN or Git? [closed]
...r. It's decentralised to a point where people can track their own edits locally without having to push things to an external server.
SVN is designed to be more central where Git is based on each user having their own Git repo and those repos push changes back up into a central one. For that reason,...
nginx - client_max_body_size has no effect
...NGINX large uploads are successfully working on hosted WordPress sites, finally (as per suggestions from nembleton & rjha94)
I thought it might be helpful for someone, if I added a little clarification to their suggestions. For starters, please be certain you have included your increased uploa...
Changing the case of a string in Eclipse
... You can use the hot key CTRL+SHIFT+L to bring up the popup that contains all the available hot-keys
– Ken Chan
Oct 4 '12 at 18:57
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Is there a way to measure how sorted a list is?
...er according to some ordering < on the set of T's.
From Wikipedia:
Formally, let A(1), A(2), ..., A(n) be a sequence of n numbers.If i < j and A(i) > A(j), then the pair (i,j) is called an inversion of A.
The inversion number of a sequence is one common measure of its sortedness.Formally, ...
Bash function to find newest file matching pattern
... Your one liner is giving me right answer, but the "right" way is actually giving me the oldest file. Any idea why?
– NewNameStat
Apr 4 '19 at 21:59
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iPhone Keyboard Covers UITextField
...me of the other items into another view and slide the view as a unit. (I call these things "plates" as in "tectonic plates", but that's just me). But here is the general idea if you don't need to get fancy.
- (void)textFieldDidBeginEditing:(UITextField *)textField
{
[self animateTextField: te...
python pandas remove duplicate columns
...he given example, the returned value would be [False,False,True].
Pandas allows one to index using boolean values whereby it selects only the True values. Since we want to keep the unduplicated columns, we need the above boolean array to be flipped (ie [True, True, False] = ~[False,False,True])
F...
What is the difference between Digest and Basic Authentication?
...n-encrypted base64 encoding.
Therefore, Basic Authentication should generally only be used where transport layer security is provided such as https.
See RFC-2617 for all the gory details.
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Javascript library for human-friendly relative date formatting [closed]
...ook at date-fns! It's a great library if you like to keep your code base small, because it has a much much lower footprint than momentjs!
– mesqueeb
Jun 29 '17 at 17:17
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