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How to smooth a curve in the right way?
...models library:
import numpy as np
import pylab as plt
import statsmodels.api as sm
x = np.linspace(0,2*np.pi,100)
y = np.sin(x) + np.random.random(100) * 0.2
lowess = sm.nonparametric.lowess(y, x, frac=0.1)
plt.plot(x, y, '+')
plt.plot(lowess[:, 0], lowess[:, 1])
plt.show()
Finally, if you kno...
How to get the insert ID in JDBC?
...me time, I want to obtain the insert ID. How can I achieve this using JDBC API?
12 Answers
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Best way to serialize an NSData into a hexadeximal string
... important to take the energy to serialize it without piggy-backing off an API that is meant for something else other than data serialization.
@implementation NSData (Hex)
- (NSString*)hexString
{
NSUInteger length = self.length;
unichar* hexChars = (unichar*)malloc(sizeof(unichar) * (leng...
When should we call System.exit in Java
...m.exit or termination of main(). See zx81/doku/java/javadoc/j2se1.5.0/docs/api/java/lang/…
– sleske
Sep 15 '10 at 10:12
31
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Postgres unique constraint vs index
...
Because indexes do not have an API for deferring, only constraints do, so while the deferral machinery exists under the cover to support unique constraints, there's no way to declare an index as deferrable, or to defer it.
– Masklinn
...
What is the most useful script you've written for everyday life? [closed]
... this would be so popular :p
As for how - Microsoft exposes a nice little API feature called Hooks.
Using that hook; I was able to write a "filter" that did what I needed it to do (hint: if you return 1 with your callback windows will not process the keystroke).
The reason I know about this actua...
are there dictionaries in javascript like python?
... be, but I've not found any significant problems with it in that respect.
API:
//Constructor
var dict = new Dict(overwrite:Boolean);
//If overwrite, allows over-writing of duplicate keys,
//otherwise, will not add duplicate keys to dictionary.
dict.put(key, value);//Add a pair
dict.get(key);//Ge...
AngularJS Multiple ng-app within a page
...etElementById("App2"), ['namesList']);
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.5.3/angular.min.js"></script>
<div id="App1" ng-app="shoppingCart" ng-controller="ShoppingCartController">
<h1>Your order</h1>
<div ng-repeat="item in item...
When - and why - should you store data in the Windows Registry?
...nly data stored in .config (Xml) files in same folder as application, with API to read it. (Read/write or user specific data stays in registry)
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Should I return EXIT_SUCCESS or 0 from main()?
...bout people expecting 0 to be automatically bad is off the mark. Very many APIs use 0 for success, and non-0 for failure, even in the stdlib. E.g. stdlib (fclose(), setvbuf(), ...), POSIX (listen(), pthread_create(), pipe(), ...), and many, many other libraries (e.g. OpenGL [glGetError()], zlib [def...