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Time complexity of Euclid's Algorithm
I am having difficulty deciding what the time complexity of Euclid's greatest common denominator algorithm is. This algorithm in pseudo-code is:
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Is there a REAL performance difference between INT and VARCHAR primary keys?
...f.
Note though that I don't do it on a regular basic, so please check my setup and steps for any factors that could have influenced the results unintentionally, and post your concerns in comments.
The setup was as follows:
Intel® Core™ i7-7500U CPU @ 2.70GHz × 4
15.6 GiB RAM, of which I en...
Is it possible to force Excel recognize UTF-8 CSV files automatically?
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Yes - best solution. Lots of confusing posts around setting headers in http responses. This solves the problem. Same can be seen when opening the file in notepad and saving right back down using the UTF-8 option. Also adds the byte-order marker.
– user369...
Using Git with Visual Studio [closed]
As a long-time Visual SourceSafe user (and hater) I was discussing switching to SVN with a colleague; he suggested using Git instead. Since, apparently, it can be used as peer-to-peer without a central server (we are a 3-developer team).
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When to use MongoDB or other document oriented database systems? [closed]
... a RDBMS replacement that I’ve seen so far. It won’t work for all data sets and access patterns, but it’s built for your typical CRUD stuff. Storing what is essentially a huge hash, and being able to select on any of those keys, is what most people use a relational database for. If your DB is ...
Parsing XML with namespace in Python via 'ElementTree'
I have the following XML which I want to parse using Python's ElementTree :
6 Answers
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How to implement the activity stream in a social network
...at you can quickly grab a batch of activities by activity ID or by using a set of friend IDs with time constraints.
Publish the activity IDs to Redis whenever an activity record is created, adding the ID to an "activity stream" list for every user who is a friend/subscriber that should see the activ...
Detect all Firefox versions in JS
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I placed the script in a try statement in case the user has any disabled settings in about.config. Otherwise I tested on every version of Firefox and it detects each one. I gave a brief description of what each feature is used for in the comments. I would like to do this for Webkit too but find th...
How are 3D games so efficient? [closed]
...s and special techniques exist when you're developing against a particular set of hardware, to enable even better speedups.
The other part of your question is why a demo uses so much CPU:
... while a DX demo of a rotating Teapot @ 60fps uses a whopping 30% ?
It's common for demos of graphics...
Running shell command and capturing the output
...t;> out, err = p.communicate()
>>> print out
.
..
foo
If you set stdin=PIPE, communicate also allows you to pass data to the process via stdin:
>>> cmd = ['awk', 'length($0) > 5']
>>> p = subprocess.Popen(cmd, stdout=subprocess.PIPE,
... ...