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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
...
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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AngularJS browser autofill workaround by using a directive
...ll input fields
a field is left: check all other fields in the same form
API (to manually trigger the check):
$el.checkAndTriggerAutoFillEvent(): Execute the check for all DOM elements in the given jQuery / jQLite element.
How it works
Remember all changes to input elements by the user (list...
What is __init__.py for?
...ent if a package defines something that will be imported frequently, in an API-like fashion. This pattern promotes adherence to the Pythonic "flat is better than nested" philosophy.
An example
Here is an example from one of my projects, in which I frequently import a sessionmaker called Session to...
HttpServletRequest - how to obtain the referring URL?
...
From the Java EE API docs for the method getHeader(String name) (quote): "The header name is case insensitive."
– informatik01
May 25 '13 at 21:48
...
What is the convention for word separator in Java package names?
...ts Okay)
No one should use hypen - (its Bad practice)
No one should use capital letters inside package names (Bad practice)
NOTE: Here "Bad Practice" is meant for technically you are allowed to use that, but conventionally its not in good manners to write.
Source: Naming a Package(docs.oracle)
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What is a correct mime type for docx, pptx etc?
...expect to deal with just a handful of file types, I do not think using the API is much better than hard-coding the strings. It's not like the MIMEs will change any time soon anyway. No need loading a truck of data into memory that you will never use.
– Soma Mbadiwe
...
Can two applications listen to the same port?
...
In principle, no.
It's not written in stone; but it's the way all APIs are written: the app opens a port, gets a handle to it, and the OS notifies it (via that handle) when a client connection (or a packet in UDP case) arrives.
If the OS allowed two apps to open the same port, how would it...