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Implementing Comments and Likes in database
...ent it... and I wonder how Django ORM will handle to map it (or how I will do that by myself...but, that is the other problem ;) ) But, can you explain me, cause I think I do not understand it properly - what you have drawn for me (thanks!) is the third approach you mentioned?
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What is 'Currying'?
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Currying is when you break down a function that takes multiple arguments into a series of functions that each take only one argument. Here's an example in JavaScript:
function add (a, b) {
return a + b;
}
add(3, 4); // returns 7
This is a funct...
sprintf like functionality in Python
I would like to create a string buffer to do lots of processing, format and finally write the buffer in a text file using a C-style sprintf functionality in Python. Because of conditional statements, I can’t write them directly to the file.
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add column to mysql table if it does not exist
... just go for it. you just want to be sure that there are no statements you do NOT want to succeed if something previous has failed.
– David
Mar 29 '16 at 20:26
add a comment
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What is the difference between class and instance methods?
...setObject:forKey:] etc. You'll often see this notation in Cocoa responses, documentation, and in Xcode.
– Quinn Taylor
Jun 27 '09 at 23:29
149
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Best way to store password in database [closed]
...ng the representation of a password in the database is the proper thing to do. By representation I mean that you want to hash the password using a salt (which should be different for every user) and a secure 1-way algorithm and store that, throwing away the original password. Then, when you want to ...
When to use Vanilla JavaScript vs. jQuery?
...javascript, instead of jQuery, that actually enable you to write less and do ... well the same amount. And may also yield performance benefits.
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Why Qt is misusing model/view terminology?
...riate. Finally, the model manages the behavior and data of the application domain, responds to requests for information about its state (usually from the view), and responds to instructions to change state (usually from the controller).
In light of that I would answer your three main concerns thu...
When is CRC more appropriate to use than MD5/SHA1?
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CRC works fine for detecting random errors in data that might occur, for example, from network interference, line noise, distortion, etc.
CRC is computationally much less complex than MD5 or SHA1. Using a hash function like MD5 is probably overkill for ran...
Installing multiple instances of the same windows service on a server
So we've produced a windows service to feed data to our client application and everything is going great. The client has come up with a fun configuration request that requires two instances of this service running on the same server and configured to point at separate databases.
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