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For multi-stage CSS animations, you can create CSS @keyframes. Keyframes allow you to define multiple animation points, called a keyframe, to define more complex animations. Basic Example In this example, we'll make a basic background animation that cycles between all colors. @keyframes rainbow...

Using Item Sales Table from Example Database, let us calculate and show the total Quantity we sold of each Product. This can be easily done with a group by, but lets assume we to 'rotate' our result table in a way that for each Product Id we have a column. SELECT [100], [145] FROM (SELECT ItemI...

This example uses the Dropbox .NET library to try to get the metadata for an item at a particular path, and checks for a NotFound error: try { var metadata = await this.client.Files.GetMetadataAsync("/non-existant path"); Console.WriteLine(metadata.Name); } catch (Dropbox.Api.A...

Create a snapshot of a whole database: mysqldump [options] db_name > filename.sql Create a snapshot of multiple databases: mysqldump [options] --databases db_name1 db_name2 ... > filename.sql mysqldump [options] --all-databases > filename.sql Create a snapshot of one or more tables...

mysql [options] db_name < filename.sql Note that: db_name needs to be an existing database; your authenticated user has sufficient privileges to execute all the commands inside your filename.sql; The file extension .sql is fully a matter of style. Any extension would work. You cannot spe...

If you need to create a JSONObject and put data in it, consider the following example: // Create a new javax.json.JSONObject instance. JSONObject first = new JSONObject(); first.put("foo", "bar"); first.put("temperature", 21.5); first.put("year", 2016);...

If you need to get data from a JSONObject, consider the following example: String json = "{\"foo\":\"bar\",\"temperature\":21.5,\"year\":2016,\"message\":{\"Hello\":\"world\"},\"months\":[\"January\",\&qu...

Overview Attribute selectors can be used with various types of operators that change the selection criteria accordingly. They select an element using the presence of a given attribute or attribute value. Selector(1)Matched elementSelects elements...CSS Version[attr]<div attr>With attribute a...

Overview SelectorDescriptiondiv spanDescendant selector (all <span>s that are descendants of a <div>)div > spanChild selector (all <span>s that are a direct child of a <div>)a ~ spanGeneral Sibling selector (all <span>s that are siblings after an <a>)a + spanA...

There are two ids you will need from your plivo account. Replace authid and authtoken in this snippet with those values. The src value should also be a valid number assigned to your account. dst can be any number you want, or multiple seperated by <. notification sms { post = https://authid:a...

To send email notifications you need to add the following settings to your config file: #Using a company SMTP server (note only one can be define) smtpHost = mail.example.com:25 emailFrom = [email protected] #Using Gmail with TLS and username/password smtpHost = smtp.gmail.com:587 emailFrom ...

#Post to a slack.com chatroom via their Incoming Webhooks integration notification slack{ post = https://hooks.slack.com/services/abcdefg/abcdefg/abcdefghijklmnopqrstuvwxyz body = {"text": {{.|json}}} } #To customize the icon and user use: # body = {"text": {{.|js...

Alert incidents can be sent to other system using HTTP GET or HTTP POST requests. You can either send the rendered alert directly (using markdown in the template perhaps) or use body = ... {{.|json}} ... and contentType to send the alert data over as part of a JSON object. Another approach is to onl...

The extension method to be called is determined at compile-time based on the reference-type of the variable being accessed. It doesn't matter what the variable's type is at runtime, the same extension method will always be called. open class Super class Sub : Super() fun Super.myExtension()...

Mocks are used when it is necessary to verify the interactions between the system under test and test doubles. Care needs to be taken to avoid creating overly brittle tests, but mocking can be particularly useful when the method to test is simply orchestrating other calls. This test verifies that ...

When an API is marked with NS_REFINED_FOR_SWIFT, it will be prefixed with two underscores (__) when imported to Swift: @interface MyClass : NSObject - (NSInteger)indexOfObject:(id)obj NS_REFINED_FOR_SWIFT; @end The generated interface looks like this: public class MyClass : NSObject { publ...

To update a package use the following command: PM> Update-Package EntityFramework where EntityFramework is the name of the package to be updated. Note that update will run for all projects, and so is different from Install-Package EntityFramework which would install to "Default project&q...

In this case, building against API 23, so permissions are handled too. You must add in the Manifest the following permission (wherever the API level you're using): <uses-permission android:name="android.permission.CAMERA"/> We're about to create an activity (Camera2Activity.java...

This uses the Dropbox Python SDK to create a shared link for a file and also supplies a requested visibility and expiration in the settings: import datetime import dropbox dbx = dropbox.Dropbox("<ACCESS_TOKEN>") expires = datetime.datetime.now() + datetime.timedelta(days=30...

#include <stdio.h> #include <string.h> int main(void) { /* Always ensure that your string is large enough to contain the characters * and a terminating NUL character ('\0')! */ char mystring[10]; /* Copy "foo" into `mystring`, until a NUL character is en...