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Moving average or running mean
...ode below works great.
mylist = [1, 2, 3, 4, 5, 6, 7]
N = 3
cumsum, moving_aves = [0], []
for i, x in enumerate(mylist, 1):
cumsum.append(cumsum[i-1] + x)
if i>=N:
moving_ave = (cumsum[i] - cumsum[i-N])/N
#can do stuff with moving_ave here
moving_aves.append(movi...
How do I adjust the anchor point of a CALayer, when Auto Layout is being used?
...d it works on iOS 8 and iOS 9.
Like adjust anchorPoint when you use frame-based layout:
let oldFrame = layerView.frame
layerView.layer.anchorPoint = newAnchorPoint
layerView.frame = oldFrame
When you adjust view's anchor with auto layout, you do the same thing but in constraints way. When anchor...
What’s the difference between ScalaTest and Scala Specs unit test frameworks?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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SqlException from Entity Framework - New transaction is not allowed because there are other threads
... the IList<T>.
Example:
IList<Client> clientList = from a in _dbFeed.Client.Include("Auto") select a;
foreach (RivWorks.Model.NegotiationAutos.Client client in clientList)
{
var companyFeedDetailList = from a in _dbRiv.AutoNegotiationDetails where a.ClientID == client.ClientID selec...
How does the SQL injection from the “Bobby Tables” XKCD comic work?
... you can only run multiple statements in one SQL string by using the mysqli_multi_query function.
You can, however, manipulate an existing SQL statement via SQL injection without having to add a second statement. Let's say you have a login system which checks a username and a password with this sim...
How to display request headers with command line curl
...g one of the below options:
--trace-ascii - # stdout
--trace-ascii output_file.txt # file
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Error-Handling in Swift-Language
...rror conforms to this protocol but you probably would like to go with enum-based ErrorType which enables you to group multiple related errors, potentially with additional pieces of data, like this
enum DragonError: ErrorType {
case dragonIsMissing
case notEnoughMana(requiredMana: Int)
....
Best way to find the intersection of multiple sets?
...e in a list, this translates to:
u = set.intersection(*setlist)
where *a_list is list expansion
Note that set.intersection is not a static method, but this uses the functional notation to apply intersection of the first set with the rest of the list. So if the argument list is empty this will fa...
Response.Redirect with POST instead of Get?
...uld be the rationale to block it, in the future?
– so_mv
Dec 4 '13 at 9:00
2
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Interfaces with static fields in java for sharing 'constants'
...s
{
private KittenConstants() {}
public static final String KITTEN_SOUND = "meow";
public static final double KITTEN_CUTENESS_FACTOR = 1;
}
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