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Python: Get the first character of the first string in a list?
...ripped up here because they are mixing up operators of Python list objects and operators of Numpy ndarray objects:
Numpy operations are very different than python list operations.
Wrap your head around the two conflicting worlds of Python's "list slicing, indexing, subsetting" and then Numpy's "...
What are naming conventions for MongoDB?
...ty much the same rules that apply to relation databases should apply here. And after so many decades there is still no agreement whether RDBMS tables should be named singular or plural...
MongoDB speaks JavaScript, so utilize JS naming conventions of camelCase.
MongoDB official documentation mention...
No secret option provided to Rack::Session::Cookie warning?
....2.3, Ruby 1.9 under Fedora 17. I get this warning, when I run rails s , and how do I fix?
7 Answers
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Resolve Type from Class Name in a Different Assembly
... answered Aug 18 '10 at 13:03
Sandor DrieënhuizenSandor Drieënhuizen
5,77044 gold badges3333 silver badges7777 bronze badges
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POST data with request module on Node.JS
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EDIT: You should check out Needle. It does this for you and supports multipart data, and a lot more.
I figured out I was missing a header
var request = require('request');
request.post({
headers: {'content-type' : 'application/x-www-form-urlencoded'},
url: 'http://localh...
Get table names using SELECT statement in MySQL
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@MuriloGarcia information_schema is part of the SQL standard. Postgres has it as well. For SQLite, you look in sqlite_master
– peterchaula
Jan 7 '17 at 12:55
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Changing navigation title programmatically
...ou can do so using self. If you do not know the difference between a class and an instance, I highly recommend you learn what it is. This article will help.
– drewag
Aug 6 '14 at 18:34
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Can I change the viewport meta tag in mobile safari on the fly?
....0, maximum-scale=1.0, user-scalable=0');
Just change the parts you need and Mobile Safari will respect the new settings.
Update:
If you don't already have the meta viewport tag in the source, you can append it directly with something like this:
var metaTag=document.createElement('meta');
metaT...
How to break out or exit a method in Java?
...case, a return statement can be used to branch out of a control flow block and exit the method and is simply used like this:
return;
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PostgreSQL query to return results as a comma separated list
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You can use the array() and array_to_string() functions togetter with your query.
With SELECT array( SELECT id FROM table ); you will get a result like: {1,2,3,4,5,6}
Then, if you wish to remove the {} signs, you can just use the array_to_string() ...