[ad_1] you need to install mongoose from npm by this command: npm install –save mongoose then,include following line of code: var mongoose = require( ‘mongoose’ ); var db = mongoose.createConnection(‘mongodb://localhost:27017/dbname’); db.on(‘connected’, function () { logger.info(‘Mongoose connection open to master DB – ‘+ ‘mongodb://localhost:27017/dbname’); }); module.exports = db; 1 [ad_2] solved NodeJS MongoDB Connection
[ad_1] Whether or not this is possible depends on the database server you use. Some databases (eg PostgreSQL) support row values, which allow you to do this: where (x, y) in (select colX, colY from ….) Otherwise you can do something like where exists (select 1 from … where colX = x and colY = … Read more
[ad_1] Even Turbo C++ implemented this in a correct way decades ago. Function parameters need to be declared giving their types explicitly: char create_username(char forename, char surname) // ^^^^ This is needed! in contrast to declaring a bunch of local variables, where the multiple definition syntax can be used: void foo() { char forename, surname; … Read more
[ad_1] Try this code ….i have added comment in the code to understand the logic #include<stdio.h> int main(){ int arr[20][20],i,j,n; int k,sum=0; printf(“\nEnter matrix size: “); scanf(“%d”,&n); printf(“\nEnter the matrix”); // to read the matrix for(i=0;i<n;i++){ for(j=0;j<n;j++){ scanf(“%d”,&arr[i][j]); } } //to display the matrix printf(“\nMatrix is : “); for(i=0;i<n;i++){ printf(“\n”); for(j=0;j<n;j++){ printf(” %d”,arr[i][j]); } } … Read more
[ad_1] I am putting solution here, which worked for me. In other similar post it was more over connectivity issue, but in my scenario it was one of the column in table i am trying to access. In my table i had column which is having timeStamp and that’s the column was causing above error, … Read more
[ad_1] Your sort is working, but you are not seeing the results because you are incorrectly appending your field-items back to your DOM. Try adding a wrapper around all of your field-item divs (radioGroup in the example below) and then append to it instead of trying to overlay the existing divs. Overlaying them is what … Read more
[ad_1] It’s not the ternary that’s the issue, it appears to be how jQuery/HTML is handling the empty string. jQuery is most likely not resolving the property to an explicit false and thus creating an element with a “selected=”” which the browser may just be interpreting as “selected” which I believe is from an old … Read more
[ad_1] You’re doing well, just apply a filtering function to each row you recieve: // SO UPDATE THE QUERY TO ONLY PULL THAT SHOW’S DOGS $query = “SELECT * FROM result WHERE first IS NOT NULL”; $result = mysqli_query($connection, $query); if (!$result) { trigger_error(“Query Failed! SQL: $query – Error: “. mysqli_error($connection), E_USER_ERROR); } else { … Read more
[ad_1] Try this code. import java.security.MessageDigest; public class Test { String code = null; String encrypted = null; private String getString(byte[] bytes) { StringBuffer sb = new StringBuffer(); for (int i = 0; i < bytes.length; i++) { byte b = bytes[i]; sb.append(0xFF & b); } return sb.toString(); } public String encrypt(String source) { try … Read more
[ad_1] encryText =+ text; can be interpreted as encryText = +text; // positive(text) assigned to encryText and encryText += text; can be interpreted as encryText = encryText + text; // encryText is added with text and assigned back to encryText positive(text) – means a positive integer. You’re just explicity specifying the sign here. Usually, the … Read more
[ad_1] Give this one a shot: (\d+[\/\d. ]*|\d) http://regex101.com/r/oO9yI9 In the future, I’d suggest making your question more clear so we can actually understand what you’re trying to do — provide inputs, expected outputs, and include the programming language you’re using. vb.net is PCRE compliant, so you should be able to use this: Dim regex … Read more
[ad_1] May be its halepful:- :-here you put integer 10 in $counter variable <?php $counter = 10; ?> now in while loop you do a process like:-you put integer 3 in the variable $counter again. so after completing this process (putting integer 3 in the $counter variable) the process return true the while loop will … Read more
[ad_1] It could mean that the interviewer wanted to test your reaction to being confronted with invalid source code. I have no idea what the intention of Func()[] = ‘a’; is. The C++ compiler clang 3.4 outputs the following: a.cc:3:9: warning: conversion from string literal to ‘char *’ is deprecated [-Wc++11-compat-deprecated-writable-strings] return “Text”; ^ a.cc:6:1: … Read more
[ad_1] Mastering Regular Expressions (Third Edition) gives a pattern that will validate an IPv4 address, having four dot-separated integers in the range 0-255: ^(?:[01]?\d\d?|2[0-4]\d|25[0-5])\. (?:[01]?\d\d?|2[0-4]\d|25[0-5])\. (?:[01]?\d\d?|2[0-4]\d|25[0-5])\. (?:[01]?\d\d?|2[0-4]\d|25[0-5])$ Modifying that to find (rather than validate) an IP, to exclude things that look like IPs turning up within longer strings of dotted digits, and escape backslashes for … Read more
[ad_1] Numbers prefixed with 0 are treated as octal numbers: $x = 012;//$x is 10 Details here The reason that $x = ‘012’; works is because PHP converts that to an integer without treating it as an octal number. 0 [ad_2] solved Number with 0 on the front? [closed]