Tutorial by Examples: et

Queries can be performed in two ways, both of which return an ADO Recordset object which is a collection of returned rows. Note that both of the examples below use the OpenDatabaseConnection function from the Making a connection to a data source example for the purpose of brevity. Remember that the...
Any time SQL executed through an ADO connection needs to contain user input, it is considered best practice to parameterize it in order to minimize the chance of SQL injection. This method is also more readable than long concatenations and facilitates more robust and maintainable code (i.e. by using...
Dim lineOfHyphens As String 'Assign a string with 80 repeated hyphens lineOfHyphens = String$(80, "-")
Dim stringOfSpaces As String 'Assign a string with 255 repeated spaces using Space$ stringOfSpaces = Space$(255) 'Assign a string with 255 repeated spaces using String$ stringOfSpaces = String$(255, " ")
First, install socket.io module in node.js application. npm install socket.io --save Basic HTTP Setup The following example attaches socket.io to a plain node.js HTTP server listening on port 3000. var server = require('http').createServer(); var io = require('socket.io')(server); io.on(...
JasperReports Library JasperReports is a open source Java based reporting tool. The JasperReports Library can be downloaded from the Jaspersoft Community for the latest release. In recent releases the third-party jars in the lib folder are not distributed, they need to be download from public r...
Windows Phone 8.1 SDK requires Visual Studio. Either check "SDK" when installing Visual Studio or install the SDK directly here.
To change view in your application you can use setState - this will re-render your component and any of its child components. setState performs a shallow merge between the new and previous state, and triggers a re-render of the component. setState takes either a key-value object or a function that...
To initialize react-native init MyAwesomeProject To initialize with a specific version of React Native react-native init --version="0.36.0" MyAwesomeProject To Run for Android cd MyAwesomeProject react-native run-android To Run for iOS cd MyAwesomeProject react-native run-io...
Detailed instructions on getting windows-phone set up or installed.
A simple example: CL-USER> (defun make-apply-twice (fun) "return a new function that applies twice the function`fun' to its argument" (lambda (x) (funcall fun (funcall fun x)))) MAKE-APPLY-TWICE CL-USER> (funcall (make-apply-twice #'1+) 3) 5 ...
Read the accelerometer Sensor with precision. This example allocates memory: void Update() { //Get Precise Accelerometer values Vector3 accelValue = preciseAccelValue(); Debug.Log("PRECISE X: " + accelValue.x + " Y: " + accelValue.y + " Z: " + acc...
Given a String containing the name of a class, it's Class object can be accessed using Class.forName: Class clazz = null; try { clazz = Class.forName("java.lang.Integer"); } catch (ClassNotFoundException ex) { throw new IllegalStateException(ex); } Java SE 1.2 It can be s...
$state.go is shorthand method to $state.transitionTo $state.go(toState [, toParams] [, options]) This method automatically sets your options to { location: true, inherit: true, relative: $state.$current, notify: true } (unless you override them) and allows you to transition with less code. Ex...
Microsoft Access is one of the Microsoft Office suite of programs. However, it is only available in some packages of MS Office. If you wish to obtain Access, please make sure to carefully examine the box or download specifications for each version of Microsoft Office. MS Access is only available fo...
In many cases, for instance when using web views in table view cells, it's important to determine the content size of the rendered HTML page. After loading the page, this can be calculated in the UIWebViewDelegate delegate method: - (void) webViewDidFinishLoad:(UIWebView *) aWebView { CGRect f...
Installing Appcelerator Titanium At first we need to set up Titanium: command-line tools (CLI) to compile the apps the MVC framework Alloy the SDK The main parts are installed using the node.js package manager 'npm'. Check https://nodejs.org/ if you need to install it. Linux (Fedora) If y...
Detecting the current state of the network connection and responding to any changes that might occur, can be done by using one of several plugins. This example is about the cordova-plugin-network-information plugin. Add the plugin to the project: cordova plugin add cordova-plugin-network-informati...
Counting rows based on a specific column value: SELECT category, COUNT(*) AS item_count FROM item GROUP BY category; Getting average income by department: SELECT department, AVG(income) FROM employees GROUP BY department; The important thing is to select only columns specified in the GRO...
PrestaShop can be download here. You can find system requirements here.

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