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What is the most efficient way of finding all the factors of a number in Python?
... before people were really thinking about supporting Python 3. I think the site I got it from tried it against __iadd__ and it was faster. I seem to remember something about x**0.5 being faster than sqrt(x) at some point though -- and it is more foolproof that way.
– agf
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How do I use IValidatableObject?
...ems to only run AFTER all other validation.
Additionally, at least in our site, it would run again during a save attempt. I would suggest you simply create a function and place all your validation code in that. Alternately for websites, you could have your "special" validation in the controller a...
How do you determine what technology a website is built on? [closed]
Quite often I come across a nice looking or functional website, and wonder what technology was used to create it. What techniques are available to figure out what a
particular website was built with?
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How to save an image locally using Python whose URL address I already know?
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@Yebach: The site you are downloading from may be using cookies, the User-Agent or other headers to determine what content to serve you. These will be different between your browser and Python.
– Liquid_Fire
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Name node is in safe mode. Not able to leave
...es greater than 1 will make safe
mode permanent.
so I changed the hdfs-site.xml into the following (In older Hadoop versions, apparently you need to do it in hdfs-default.xml:
<configuration>
<property>
<name>dfs.safemode.threshold.pct</name>
<valu...
How to avoid reinstalling packages when building Docker image for Python projects?
...
I found that a better way is to just add the Python site-packages directory as a volume.
services:
web:
build: .
command: python manage.py runserver 0.0.0.0:8000
volumes:
- .:/code
- /usr/local/lib/python2.7/site-packages/...
Instagram how to get my user id from username?
I'm in the process of embedding my image feed in my website using JSON, the URL needs my user id so I can retrieve this feed.
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Fastest sort of fixed length 6 int array
...mp;
}
}
Here's how I'd build a sorting network. First, use this site to generate a minimal set of SWAP macros for a network of the appropriate length. Wrapping that up in a function gives me:
static __inline__ int sort6(int * d){
#define SWAP(x,y) if (d[y] < d[x]) { int tmp = d[x]; d...
Remove duplicate rows in MySQL
...ORE keyword. Like so:
ALTER IGNORE TABLE jobs
ADD UNIQUE INDEX idx_name (site_id, title, company);
This will drop all the duplicate rows. As an added benefit, future INSERTs that are duplicates will error out. As always, you may want to take a backup before running something like this...
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open_basedir restriction in effect. File(/) is not within the allowed path(s):
I'm getting this error on an avatar upload on my site. I've never gotten it before and nothing was changed recently for me to begin getting this error...
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