Tutorial by Topics: se

First and foremost: know what you're doing! Secondly, while you should avoid using eval, if its use makes for cleaner code, go ahead.

Modal Presentation styles are used when you are transitioning from one view controller to another. There are 2 ways of achieving this customization. One is through code and another through Interface Builder(using segues). This effect is achieved by settingmodalPresentationStyle variable to an instan...

What are differences between List and Set collection at the top level and How to choose when to use List in java and when to use Set in Java

As we all know Metadata mean data about data. To fetch metadata of a table like total number of column, column name, column type etc. , ResultSetMetaData interface is useful because it provides methods to get metadata from the ResultSet object.

I am using SQL Server since 2004. I started with 2000 and now I am going to use SQL Server 2016. I created tables, views, functions, triggers, stored procedures and wrote many SQL queries but I did not use many new features from subsequent versions. I googled it but unfortunately, I did not find all...

Java EnumSet class is the specialized Set implementation for use with enum types. It inherits AbstractSet class and implements the Set interface.

In Mac OS X, you can set the environment variables in one of the following files : ~/.bashrc ~/.bash_profile ~/.profile By default, Mac OS X does not has above files, you need to create it manually.

Connect to the database to change/read/update/delete data! mysqli_connect("server", "user", "password", "database name"); ParamaterDescription1Server host e.g. "localhost" or "127.0.0.1"2Server username e.g. "root" or ...

Before utilizing OpenCL, one has to set up their code to use it. This topic focuses on how to get opencl up and running in your project and execute a basic kernel. The examples are based on the C# wrapper OpenCL.NET but as the wrapper adds no abstraction to OpenCL the code will probably run with ver...

SCons is a multi-step build system. First it reads all SConstruct and SConscript to execute Python code and create build graph with targets. Then it scans filesystem to detect which targets from the build graph should be updated, and after that it executes command to build outdated targets.

The Java Print Service API provides functionalities to discover print services and send print requests for them. It includes extensible print attributes based on the standard attributes specified in the Internet Printing Protocol (IPP) 1.1 from the IETF Specification, RFC 2911.

A Symfony application is typically composed of a lot of objects that perform different tasks, such as repositories, controllers, mailers, etc. In Symfony, these objects are called services, and are defined in app/config/services.yml or in one of the installed bundles. The Service Container knows ho...

When installing a new program or updating an installation, it's good practice for you to stop an installed application and anything related with it before overwriting any of its files. The same goes for services. We need to be sure that the locally run service (if any) is stopped before we can insta...

This section provides an overview of what nsurlsession is, and why a developer might want to use it. It should also mention any large subjects within nsurlsession, and link out to the related topics. Since the Documentation for nsurlsession is new, you may need to create initial versions of tho...

This topic describes how to start Apache Cassandra as a service in windows and linux platforms. Remember you also start Cassandra from bin directory by running the batch or shell script.

There are a number of exceptions that can be thrown while using a webdriver. The examples below are meant to give an idea of what they mean.

This can be done using 2 methods with HTTP Post request, With Firebase admin SDK running on your server. Here I will discuss both of them.