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How to find the sum of an array of numbers
...ven an array [1, 2, 3, 4] , how can I find the sum of its elements? (In this case, the sum would be 10 .)
43 Answers
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Where does PHP store the error log? (php5, apache, fastcgi, cpanel)
I am on shared hosting and have Cpanel, Apache, PHP is run by fastcgi. Where does PHP store the error log?
21 Answers
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When someone writes a new programming language, what do they write it IN?
...question. Its an excellent question.
As already answered the short answer is, "Another language."
Well that leads to some interesting questions? What if its the very first language written for
your particular piece of hardware? A very real problem for people who work on embedded devices. As alr...
Hook up Raspberry Pi via Ethernet to laptop without router? [closed]
...d it works like a charm.
Material
a cross-over Ethernet cable (the name is fancy but it's just a normal Ethernet cable)
a laptop (ubuntu)
a Raspberry Pi (I have the Pi2)
Prerequisites on your ubuntu
Install network-manager
$sudo apt-get install network-manager
Install nmap
$sudo apt-get i...
Are the PUT, DELETE, HEAD, etc methods available in most web browsers?
...database, the creation of a new web
page resource, the updating of the existing page, or all of the
mentioned outcomes.
The keyword dialog, mapping to the state dialog, indicating that
submitting the form is intended to close the dialog box in which the
form finds itself, if any, and ot...
What are naming conventions for MongoDB?
Is there a set of preferred naming conventions for MongoDB entitites such as databases, collections, field names?
6 Answers...
C/C++ Struct vs Class
After finishing my C++ class it seemed to me the structs/classes are virtually identical except with a few minor differences.
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How to split/partition a dataset into training and test datasets for, e.g., cross validation?
What is a good way to split a NumPy array randomly into training and testing/validation dataset? Something similar to the cvpartition or crossvalind functions in Matlab.
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How to “grep” for a filename instead of the contents of a file?
grep is used to search within a file to see if any line matches a given regular expression. However, I have this situation - I want to write a regular expression that will match the filename itself (and not the contents of the file). I will run this from the system's root directory, to find all thos...
How to implement a secure REST API with node.js
... that all the solutions can be broken if the password it's really easy to discover. The basic idea is to authenticate users using the username, password and a token, aka the apitoken. This apitoken can be generated using node-uuid and the password can be hashed using pbkdf2
Then, you need to save t...