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Removing duplicates from a list of lists
...ttleneck, keeping a set of tuples all the time and getting a list of lists from it only if and where needed, might be faster overall, for example.
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MySQL vs PostgreSQL for Web Applications [closed]
...8. That's nearly 11 years ago as of this edit. Software can change rapidly from version to version, so before you go choosing a DBMS based on the advice below, do some research to see if it's still accurate.
Check for newer answers below.
Better?
MySQL is much more commonly provided by web hosts...
How to scale Docker containers in production
... your own logic to do this.
I would expect this kind of feature to emerge from the following projects, built on top of docker, and designed to support applications in production:
flynn
deis
coreos
Mesos
Update 1
Another related project I recently discovered:
maestro
Update 2
The latest re...
Random strings in Python
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Generating strings from (for example) lowercase characters:
import random, string
def randomword(length):
letters = string.ascii_lowercase
return ''.join(random.choice(letters) for i in range(length))
Results:
>>> randomword...
Why can't I use Docker CMD multiple times to run multiple services?
I have built a base image from Dockerfile named centos+ssh. In centos+ssh's Dockerfile, I use CMD to run ssh service.
5 Ans...
How to convert image to byte array
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Another way to get Byte array from image path is
byte[] imgdata = System.IO.File.ReadAllBytes(HttpContext.Current.Server.MapPath(path));
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Advantages and disadvantages of GUID / UUID database keys
...ORM's usually like them
Unique across applications. So We can use the PK's from our CMS (guid) in our app (also guid) and know we are NEVER going to get a clash.
Disadvantages:
Larger space use, but space is cheap(er)
Can't order by ID to get the insert order.
Can look ugly in a URL, but really,...
`testl` eax against eax?
...nical answer to "what's this TEST thing all about, and how is it different from CMP", which is sort of implied. See my own answer further down for comments about the semantic meaning of the synonymous JE and JZ. Please review my edit since it's pretty major, and it's still your answer.
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Saving timestamp in mysql table using php
...estamp is only a representation of a date, and vice versa. You can convert from timestamp to date with the function jimy told you, and the other way with strtotime. edit: btw, timestamp only covers a range of all possible dates (1970-01-01 to xx-xx-2032 I think)
– Carlos Campde...
What are the reasons why Map.get(Object key) is not (fully) generic
...specification of the method only requires that they be equal. This follows from how the equals() method takes in an Object as parameter, not just the same type as the object.
Although it may be commonly true that many classes have equals() defined so that its objects can only be equal to objects of...