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How do I generate random integers within a specific range in Java?
... do multiple separate calls, you can create an infinite primitive iterator from the stream:
public final class IntRandomNumberGenerator {
private PrimitiveIterator.OfInt randomIterator;
/**
* Initialize a new random number generator that generates
* random numbers in the range [...
How do I access this object property with an illegal name?
...e obvious $ret['todo-list'] accessing), this code is taken almost verbatim from Zend_Config and will convert for you.
public function toArray()
{
$array = array();
foreach ($this->_data as $key => $value) {
if ($value instanceof StdClass) {
$array[$key] = $value-&g...
How to force vim to syntax-highlight a file as html?
...e* set filetype=docker Just using Dockerfile* prevents syntax highlighting from working when using vi Dockerfile - adding the backslash allows it to work for Dockerfile / Dockerfile.something and Dockerfilesomething
– Android Control
Oct 15 '19 at 12:22
...
How to round up to the nearest 10 (or 100 or X)?
... is. The following lets us define "nice" as a vector with nice base values from 1 to 10. The default is set to the even numbers plus 5.
roundUpNice <- function(x, nice=c(1,2,4,5,6,8,10)) {
if(length(x) != 1) stop("'x' must be of length 1")
10^floor(log10(x)) * nice[[which(x <= 10^floo...
Efficiently checking if arbitrary object is NaN in Python / numpy / pandas?
...sions) checks for missing values in both numeric and string/object arrays. From the documentation, it checks for:
NaN in numeric arrays, None/NaN in object arrays
Quick example:
import pandas as pd
import numpy as np
s = pd.Series(['apple', np.nan, 'banana'])
pd.isnull(s)
Out[9]:
0 False
...
JavaScript: location.href to open in new window/tab?
I have a JavaScript file from a third party developer. It has a has link which replaces the current page with the target. I want to have this page opened in a new tab.
...
Redirect using AngularJS
...s that the onchange event is not firing when you change your textbox value from JavaScript code.
There are two ways for this to work; the first is to call onchange by yourself, and the second is to wait for the textbox to lose focus.
Check this question; same issue, different framework.
...
Setting transparent images background in IrfanView
...orks for saved files but does not work when a picture is copy & pasted from the clipboard. For example, picture shown in a browser -> right click to copy image... -> open irfan -> paste. That results in black background. But I'm not sure whether it's irfan issue or the clipboard stores...
Is there a standard naming convention for XML elements? [closed]
...omething "first-name", some software may think you want to subtract "name" from "first".
- Avoid ".". If you name something "first.name", some software may think that "name" is a property of the object "first".
- Avoid ":". Colons are reserved for namespaces (more later).
- Non-English l...
Mongo: find items that don't have a certain field
...
@Theo: Starting from MongoDB 2.0 $exists is able to use indexes (jira.mongodb.org/browse/SERVER-393)
– Dmitry Schetnikovich
Nov 23 '11 at 15:48
...