Tutorial by Examples: ad

When calling driver.Navigate().GoToUrl(url);, the code execution stops until the page is fully loaded. This is sometimes unnecessary when you just want to extract data. Note: The code samples below could be considered hacks. There is no "official" way of doing this. Create a new thread...

SELECT CURRENT_DATE + '1 day'::INTERVAL SELECT '1999-12-11'::TIMESTAMP + '19 days'::INTERVAL SELECT '1 month'::INTERVAL + '1 month 3 days'::INTERVAL

select * from dict

The exchange methods of RestTemplate allows you specify a HttpEntity that will be written to the request when execute the method. You can add headers (such user agent, referrer...) to this entity: public void testHeader(final RestTemplate restTemplate){ //Set the headers you need send ...

We shall now see how the Image/File Uploading code works in the native CI method with the help of the forms that has been proposed by the CI way. File uploading in PHP has Two Scenarios. It is mentioned below as follows. Single Image/File uploader - This can be saved with the help of the normal ...

Convert the interface of a class into another interface clients expect. Adapter (or Wrapper) lets classes work together that couldn't otherwise because of incompatible interfaces. Adapter pattern's motivation is that we can reuse existing software if we can modify the interface. Adapter pattern...

It is common practice to create groups of items by creating simple value nodes with item ID as key. For example, we can add a user to the group "administrators" by creating a node at /administrators/$user_id with a value true. We don't want anyone to know who administrators are, for securi...

function downloadCsv() { var blob = new Blob([csvString]); if (window.navigator.msSaveOrOpenBlob){ window.navigator.msSaveBlob(blob, "filename.csv"); } else { var a = window.document.createElement("a"); a.href = window.URL.createObjectURL(blob, { ...

For Searching a place, we use the powerful element that Polymer ships, called google-map-search . All you need to do, is pass a map object and a query string to the element like so: <google-map-search map=[[map]] query=[[query]]></google-map-search> How do we pass the map ob...

Sometimes, you want to add listeners on particular events not natively provided by the components, in particular mouse events. To do so, you will have to add them by yourself using an EventTrigger component : using UnityEngine; using UnityEngine.EventSystems; [RequireComponent(typeof( EventTrig...

Dim classFile : classFile = "carClass.vbs" Dim fsObj : Set fsObj = CreateObject("Scripting.FileSystemObject") Dim vbsFile : Set vbsFile = fsObj.OpenTextFile(classFile, 1, False) Dim myFunctionsStr : myFunctionsStr = vbsFile.ReadAll vbsFile.Close Set vbsFile = Nothing Set fs...

/* * This example show some ways of using std::function to call * a) C-like function * b) class-member function * c) operator() * d) lambda function * * Function call can be made: * a) with right arguments * b) argumens with different order, types and count */ #include &lt...

The ConstainsKey method is the way to know if a key already exists in the Dictionary. This come in handy for data reduction. In the sample below, each time we encountner a new word, we add it as a key in the dictionary, else we increment the counter for this specific word. Dim dic As IDictionary(...

To connect to a mongo database from node application we require mongoose. Installing Mongoose Go to the toot of your application and install mongoose by npm install mongoose Next we connect to the database. var mongoose = require('mongoose'); //connect to the test database running on defau...

Reading Data from the collection is very easy. Getting all data of the collection. var Auto = require('models/auto') Auto.find({}, function (err, autos) { if (err) return console.error(err); // will return a json array of all the documents in the collection console.log(autos)...

To check the list of loaded packages search() OR (.packages())

A frequent reason why your read operation may not work is because your security rules reject the operation, for example because you're not authenticated (by default a database can only be accessed by an authenticated user). You can see these security rule violations in the Console output. But it's ...

<?php echo get_field('my_field_name', 123); ?> This will echo the value of "my_field_name" from the post with 123 as its ID.

First of all we need to add MEDIA_ROOT and MEDIA_URL to our settings.py file MEDIA_ROOT = os.path.join(BASE_DIR, 'media') MEDIA_URL = '/media/' Also here you will work with ImageField, so remember in such cases install Pillow library (pip install pillow). Otherwise, you will have such error: I...

To read an atom's value, simply put the name of the atom, with a @ before it: @counter ; => 0 A bigger example: (def number (atom 3)) (println (inc @number)) ;; This should output 4