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Iterator invalidation rules
...
C++17 (All references are from the final working draft of CPP17 - n4659)
Insertion
Sequence Containers
vector: The functions insert, emplace_back, emplace, push_back cause reallocation if the new size is greater than the old capa...
Convert object string to JSON
...hout quote with valid double quote
.replace(/([\$\w]+)\s*:/g, function(_, $1){return '"'+$1+'":'})
// replacing single quote wrapped ones to double quote
.replace(/'([^']+)'/g, function(_, $1){return '"'+$1+'"'})
}
Result
var invalidJSON = "{ hello: 'world',foo:1, bar ...
How do you run a crontab in Cygwin on Windows?
...
You need to also install cygrunsrv so you can set cron up as a windows service, then run cron-config.
If you want the cron jobs to send email of any output you'll also need to install either exim or ssmtp (before running cron-config.)
See /usr/...
Glorified classes in the Java language
... lot of different answers, so I thought it would be useful to collect them all (and add some):
Classes
AutoBoxing classes - the compiler only allows for specific classes
Class - has its own literals (int.class for instance). I would also add its generic typing without creating new instances.
Stri...
Uploading images using Node.js, Express, and Mongoose
...b.
// Expose modules in ./support for demo purposes
require.paths.unshift(__dirname + '/../../support');
/**
* Module dependencies.
*/
var express = require('../../lib/express')
, form = require('connect-form');
var app = express.createServer(
// connect-form (http://github.com/visionmedia...
What's the difference between Task.Start/Wait and Async/Await?
...ot. How would you like it if waiting for a Task that takes 10 ms would actually execute a 10 hour-long Task on your thread, thus blocking you for the whole 10 hours?
– svick
Apr 20 '13 at 11:10
...
How to import data from mongodb to pandas?
...odes I'm using:
import pandas as pd
from pymongo import MongoClient
def _connect_mongo(host, port, username, password, db):
""" A util for making a connection to mongo """
if username and password:
mongo_uri = 'mongodb://%s:%s@%s:%s/%s' % (username, password, host, port, db)
...
How can I use Guzzle to send a POST request in JSON?
... edited Aug 18 at 7:06
Valor_
2,49255 gold badges3939 silver badges8787 bronze badges
answered Mar 7 '14 at 8:56
...
Using “like” wildcard in prepared statement
...
@Alain: Thank you. Just wondering, does this apply to all RDBMS the world is aware of? Perhaps '%' || ? || '%' as mentioned in 1st comment was better, after all? I don't have the opportunity to experiment right now.
– BalusC
Dec 23 '15 at 2...
What is the best way to concatenate two vectors?
...
AB.reserve( A.size() + B.size() ); // preallocate memory
AB.insert( AB.end(), A.begin(), A.end() );
AB.insert( AB.end(), B.begin(), B.end() );
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