Tutorial by Examples: am

If the SQL statement is constructed like this: SQL = "SELECT * FROM Users WHERE username = '" + user + "' AND password ='" + pw + "'"; db.execute(SQL); Then a hacker could retrieve your data by giving a password like pw' or '1'='1; the resulting SQL statement will ...

Box boxlty - box line type boxlwd - box line width boxcol - box line color boxfill - box fill colors Median medlty - median line type ("blank" for no line) medlwd - median line widht medcol - median line color medpch - median point (NA for no symbol) medcex - median point s...

Count articles connected to a particular person over time MATCH (n)-[]->(l) where l.name='Donald Trump' RETURN n.date,count(*) order by n.date Search for other People / Locations connected to the same news articles as Trump with at least 5 total relationship nodes. MATCH (n:NewsArticle)-[...

Startup # Load library setwidth on start - to set the width automatically. .First <- function() { library(setwidth) # If 256 color terminal - use library colorout. if (Sys.getenv("TERM") %in% c("xterm-256color", "screen-256color")) { library("col...

import curses import traceback try: # -- Initialize -- stdscr = curses.initscr() # initialize curses screen curses.noecho() # turn off auto echoing of keypress on to screen curses.cbreak() # enter break mode where pressing Enter key ...

Most of linux distros stores its version info in the /etc/lsb-release (debian) or /etc/redhat-release (RPM based) file. Using below generic command should get you past most of the Debian and RPM derivatives as Linux Mint and Cent-Os. Example on Ubuntu Machine: cat /etc/*release DISTRIB_ID=Ubuntu ...

val allowedUsers = users.filter { it.age > MINIMUM_AGE }

val isOfAllowedAge = { user: User -> user.age > MINIMUM_AGE } val allowedUsers = users.filter(isOfAllowedAge)

DASH is the most widely deployed adaptive streaming technology in modern solutions, used to deliver video in a wide variety of scenarios. The best way to understand DASH presentations is to observe the network activity that takes place during playback. This example uses Fiddler to capture and analy...

Instead of annotations, you can also specify your routes as YAML: app_index: path: /index defaults: { _controller: AppBundle:Acme:index } The same options apply to both annotations and YAML configurations. To import a YAML routing configuration in your root routing configuration, you d...

Log on to the Azure classic portal. In the left navigation pane of the portal, click Service Bus. In the lower pane of the portal, click Create. In the Add a new namespace dialog, enter a namespace name. The system immediately checks to see if the name is available. After...

The simple use-case is to refer to a single icon in its normal size: <i class="fa fa-camera-retro"></i> (View result in this fiddle.) Create an empty tag (it is recommended to use <i> used for that) and assign class "fa" and the class corresponding to the desi...

In this example I define two custom function. 1 - countryFilter function get's the country short code as input and return the country full name. 2 - _countPrinterTasks is used to calculate the no of tasks assigned to a particular user. <?php namespace DashboardBundle\Twig\Extension; use ...

Assume having a method returning IEnumerable<T>, f.e. private IEnumerable<T> GetData() { try { // return results from database } catch(Exception exception) { throw; } } Creates an Observable and starts a method asynchronously. Sel...

Visual Studio (IDE) WPA (performance analyzer) WinDbg (debugger) IDA Pro (disassembler) dotPeek (decompiler for .NET) WinMerge (diff tool) HxD or 010 editor (hex editor) Speedcrunch (calculator) Firefox (browser) Rohitab API monitor (API call monitoring) SOS (a WinDbg extension for .NET)...

/* The result can be use for fast way to use columns on Insertion/Updates. Works with tables and views. Example: eTableColumns 'Customers' ColumnNames ------------------------------------------------------ Id, FName, LName, Email, PhoneNumber, PreferredContact INSERT INTO Customers (Id, ...

Assume that we have a system that sends out daily reports over email in the form of attached CSV files and that we want to access these. function getCsvFromGmail() { // Get the newest Gmail thread based on sender and subject var gmailThread = GmailApp.search("from:[email protected] sub...

Readable streams can be "piped," or connected, to writable streams. This makes data flow from the source stream to the destination stream without much effort. var fs = require('fs') var readable = fs.createReadStream('file1.txt') var writable = fs.createWriteStream('file2.txt') rea...

var http = require('http'); var fs = require('fs'); var path = require('path'); http.createServer(function (request, response) { console.log('request ', request.url); var filePath = '.' + request.url; if (filePath == './') filePath = './index.html'; var extname = String(path.extnam...

While each mobile platforms do offer their own settings management api, there are no built in ways to read settings from a good old .net style app.config xml file; This is due to a bunch of good reasons, notably the .net framework configuration management api being on the heavyweight side, and each...