Random color generator

Random color generator

Given this function, I want to replace the color with a random color generator.document.overlay = GPolyline.fromEncoded({color: "#0000FF", weight: 10, points:

Simplest code for array intersection in javascript

Simplest code for array intersection in javascript

What's the simplest, library-free code for implementing array intersections in javascript? I want to writeintersection([1,2,3], [2,3,4,5])and get[2, 3] 1:Use a combination of Array.prototype.filter and Array.prototype.indexOf.array1.filt

Is there any available API to represent various units of item like KG, Litre, Metre, KM, etc

Is there any available API to represent various units of item like KG, Litre, Metre, KM, etc

In my project, somewhere I have to work with a unitOfIssue of Items. Now, various items of course can have different units of representation. So, I was searching for some API or some way, to elegantly handle this situation.Is there any avai

When would JavaScript == make more sense than ===?

When would JavaScript == make more sense than ===?

As Which equals operator (== vs ===) should be used in JavaScript comparisons? indicates they are basically identical except '===' also ensures type equality and hence '==' might perform type conversion. In Douglas Crockford's JavaScript: T

Can I use ng-repeat to iterate over an array in AngularJS?

Can I use ng-repeat to iterate over an array in AngularJS?

I am having some trouble with using AngularJS ng-repeat. Here is what I have: 1 Explanation Correct Image File The mo

How to properly compare decimal values in C#?

How to properly compare decimal values in C#?

I come from a background in C++, and I know that you cannot accurately compare floats for equality. For C#, I simply assumed the same policy applies to decimal values, or any floating point value in general.Basically, I have two decimal val

How to make pagination in XSLT

How to make pagination in XSLT

I have the following XSLT:

Is it possible to permanently update the value of a TeamCity build parameter as a result of a custom

Is it possible to permanently update the value of a TeamCity build parameter as a result of a custom

Is it possible to permanently update the value of a build parameter as a result of a custom run?For example, consider a build which is configured to have the build number format:%Major%.%Minor%.%Patch%.%build.counter%Major, Minor and Patch

How to print_r $_POST array?

How to print_r $_POST array?

I have following table.And test.php file $value) { echo "".$key.""; echo "".$value.""; echo ""; }?>But it is only returning this: 0Array What I'm doing wrong? 1: $value) { echo ''.$key.''; foreach($value as $k => $v) { ech

How to normalize a list of positive numbers in JavaScript?

How to normalize a list of positive numbers in JavaScript?

I have an array filled with positive int values, how could I normalize this list so the max value is always 100? Thank you in advance! 1:The idea is to first find the highest number in your array (using apply on Math.max), then find the

Generating random integers within range with a probability distribution

Generating random integers within range with a probability distribution

I have a problem where I want to generate a set of random integer values between 1 and 5 inclusive using a probability distribution. Poisson and Inverse Gamma are two distributions that show the characteristics I am after (majority at mean,

How to split an array according to a condition in numpy?

How to split an array according to a condition in numpy?

For example, I have a ndarray that is:a = np.array([1, 3, 5, 7, 2, 4, 6, 8])Now I want to split a into two parts, one is all numbers =5:[array([1,3,2,4]), array([5,7,6,8])]Certainly I can traverse a and create two new array. But I want to k

How to Create “Add to Calendar” Link on Web Page for iPhone

How to Create “Add to Calendar” Link on Web Page for iPhone

Many calendaring programs (Outlook, iCal) support vCal for downloading event information and adding it to your calendar. Others can use the vCalendar microformat to extract data. Neither of these, however, seems to be supported on the iPhon

max integer value in JavaScript

max integer value in JavaScript

I'm reading the second chapter of the book Eloquent JavaScript. The author states that: Any whole number less than 2^52 (which is more than 10^15) will safely fit in a JavaScript number.I grabbed the value of 2^52 from wikipedia. 4,503,59

How to convert PostgreSQL 9.4's jsonb type to float

How to convert PostgreSQL 9.4's jsonb type to float

I'm trying the following query:SELECT (json_data->'position'->'lat') + 1.0 AS lat FROM updates LIMIT 5;(The +1.0 is just there to force conversion to float. My actual queries are far more complex, this query is just a test case for the pro

Restrict to 2 decimal places in keypress of a text box?

Restrict to 2 decimal places in keypress of a text box?

I want to enter a decimal point in a text box. I want to restrict the user by entering more than 2 digits after the decimal point. I have written the code for achieving that in the Keypress event.function validateFloatKeyPress(el, evt) {

How to determine whether a character is a letter in Java?

How to determine whether a character is a letter in Java?

How do you check if a one-character String is a letter - including any letters with accents?I had to work this out recently, so I'll answer it myself, after the recent VB6 question reminded me. 1:Character.isLetter() is much faster than

Integer out of range on Postgres DB

Integer out of range on Postgres DB

Simple rails app using Postgres DB, getting 'integer out of range' error when trying to insert 2176968859. Should be an easy fix to the migrations, but I'm not sure. Right now I've got...create_table :targets do |t| t.integer :tid ..

MySQL COUNT with LIMIT

MySQL COUNT with LIMIT

What i want to do is SUM a column, but also COUNT the number of rows it is summing, with a limit of no more than 5 rows. So my query is:SELECT COUNT(*), SUM(score) FROM answers WHERE user=1 LIMIT 5What i expected back was a COUNT(*) up to 5

How to read a text file line by line in verilog?

How to read a text file line by line in verilog?

I have a SREC file which is a simple text file and I want to read it line by line in verilog. How can I do that? 1:The following reads through a file, 1 line per clock cycle: expected data format is one decimal number per line.integer

How to measure the elapsead time below nanosecond for x86?

How to measure the elapsead time below nanosecond for x86?

I have searched and used many approaches for measuring the elapsed time. there are many questions for this purpose. For example, this question is very good but when you need an accurate time recorder I couldn't find a good method. For this

How to count the observations falling in each node of a tree

How to count the observations falling in each node of a tree

I am currently dealing with wine data in MMST package. I have split the whole dataset into training and test and build a tree like the following codes:library("rpart")library("gbm")library("randomForest")library("MMST")data(wine)aux And I c

How does pack() and unpack() work in Ruby

How does pack() and unpack() work in Ruby

In Ruby why we need array Packing? How does directive help to do such packing?I ran some code in my console to see what and how directives looks like in Array packing.But the output is closely same with each directives. Then in core how the

Send multipart/form-data content type request

Send multipart/form-data content type request

The follow http post request send data using multipart/form-data content type.-----------------------------27311326571405\r\nContent-Disposition: form-data; name="list"\r\n\r\n8274184\r\n-----------------------------27311326571405\r\nConte

What are “native” and “literal” keywords

What are “native” and “literal” keywords

I see many times using native and literals "keywords" in C# articles. What do they mean?examples: string.Empty article: The Empty constant holds the empty string value. We need to call the String constructor so that the compiler doesn't m