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What is SaaS, PaaS and IaaS? With examples
...nd other resources like virtual-machine disk image library, block and file-based storage, firewalls, load balancers, IP addresses, virtual local area networks etc.
Examples: Amazon EC2, Windows Azure, Rackspace, Google Compute Engine.
PaaS (Platform as a Service), as the name suggests, provides yo...
Is there a benefit to defining a class inside another class in Python?
...It is just a way of collecting some variables - the name of the class, the bases, a little dictionary of attributes, and a metaclass.
The name, the dictionary and the bases are all passed to the function that is the metaclass, and then it is assigned to the variable 'name' in the scope where the cl...
What is the best way to conditionally apply attributes in AngularJS?
I need to be able to add for example "contenteditable" to elements, based on a boolean variable on scope.
13 Answers
...
Split comma-separated strings in a column into separate rows
... is the fastest1.
The benchmarked solutions include
Matthew Lundberg's base R approach but modified according to Rich Scriven's comment,
Jaap's two data.table methods and two dplyr / tidyr approaches,
Ananda's splitstackshapesolution,
and two additional variants of Jaap's data.table methods.
...
how to reference a YAML “setting” from elsewhere in the same YAML file?
...oin', join)
## using your sample data
yaml.load("""
paths:
root: &BASE /path/to/root/
patha: !join [*BASE, a]
pathb: !join [*BASE, b]
pathc: !join [*BASE, c]
""")
Which results in:
{
'paths': {
'patha': '/path/to/root/a',
'pathb': '/path/to/root/b',
...
What's the best three-way merge tool? [closed]
...rial and others support three-way merges (combining mine, theirs, and the "base" revision) and support graphical tools to resolve conflicts.
...
Distinct in Linq based on only one field of the table
I am trying to use .distinct in Linq to get result based on one field of the table (so do not require a whole duplicated records from table).
...
Advantages of Binary Search Trees over Hash Tables
...
Remember that Binary Search Trees (reference-based) are memory-efficient. They do not reserve more memory than they need to.
For instance, if a hash function has a range R(h) = 0...100, then you need to allocate an array of 100 (pointers-to) elements, even if you are j...
fastest MD5 Implementation in JavaScript
...always generate db with hashes and decode passwords. Give me your live database with 10M users & code. I will have fun with that and post on the internet my decoded results. Cheers.
– Lukas Liesis
Dec 27 '15 at 22:46
...
method overloading vs optional parameter in C# 4.0 [duplicate]
...ith an elegant alternative to method overloading where you overload method based on the number of parameters.
For example say you want a method foo to be be called/used like so, foo(), foo(1), foo(1,2), foo(1,2, "hello"). With method overloading you would implement the solution like this,
///Base ...