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auto, const, and references

The auto keyword by itself represents a value type, similar to int or char. It can be modified with the const keyword and the & symbol to represent a const type or a reference type, respectively. These modifiers can be combined. In this example, s is a value type (its type will be inferred as s...
C++ • auto

Simultaneous debugging sessions with PhpStorm

Usage Sometimes, you could have to debug code in another PhpStorm project, you have to update the configuration. PHP configuration In php.ini, edit file and put xdebug.remote_autostart = 1 PhpStorm configuration You also have to configure your IDE: In the phpStorm configuration, Max. sim...

Multiply defined function

The most important consequence of the One Definition Rule is that non-inline functions with external linkage should only be defined once in a program, although they can be declared multiple times. Therefore, such functions should not be defined in headers, since a header can be included multiple tim...

Segfault analysis with GDB

Lets use the same code as above for this example. #include <iostream> void fail() { int *p1; int *p2(NULL); int *p3 = p1; if (p3) { std::cout << *p2 << std::endl; } } int main() { fail(); } First lets compile it g++ -g -o main m...

What is a valid function template overloading?

A function template can be overloaded under the rules for non-template function overloading (same name, but different parameter types) and in addition to that, the overloading is valid if The return type is different, or The template parameter list is different, except for the naming of paramete...

Send simple email

This code sends a simple text-only email to [email protected] EXEC msdb.dbo.sp_send_dbmail @profile_name = 'The Profile Name', @recipients = '[email protected]', @body = 'This is a simple email sent from SQL Server.', @subject = 'Simple email'

Send results of a query

This attaches the results of the query SELECT * FROM Users and sends it to [email protected] EXEC msdb.dbo.sp_send_dbmail @profile_name = 'The Profile Name', @recipients = '[email protected]', @query = 'SELECT * FROM Users', @subject = 'List of users', ...

Send HTML email

HTML content must be passed to sp_send_dbmail SQL Server 2012 DECLARE @html VARCHAR(MAX); SET @html = CONCAT ( '<html><body>', '<h1>Some Header Text</h1>', '<p>Some paragraph text</p>', '</body></html>' ) SQL Server 2012 ...

Soundex

Returns a four-character code (varchar) to evaluate the phonetic similarity of two strings. Parameters: character expression. An alphanumeric expression of character data. The soundex function creates a four-character code that is based on how the character expression would sound when spoken....

Difference

Returns an integer (int) value that indicates the difference between the soundex values of two character expressions. Parameters: character expression 1. character expression 2. Both parameters are alphanumeric expressions of character data. The integer returned is the number of chars in th...

Low-Variance Feature Removal

This is a very basic feature selection technique. Its underlying idea is that if a feature is constant (i.e. it has 0 variance), then it cannot be used for finding any interesting patterns and can be removed from the dataset. Consequently, a heuristic approach to feature elimination is to first re...

Hello World

HTML <canvas id="canvas" width=300 height=100 style="background-color:#808080;"> </canvas> Javascript var canvas = document.getElementById("canvas"); var ctx = canvas.getContext("2d"); ctx.font = "34px serif"; ctx.textAlign = &qu...

Trailing return type

auto is used in the syntax for trailing return type: auto main() -> int {} which is equivalent to int main() {} Mostly useful combined with decltype to use parameters instead of std::declval<T>: template <typename T1, typename T2> auto Add(const T1& lhs, const T2& rh...
C++ • auto

Order of initialization of globals across TU

Whereas inside a Translation Unit, order of initialization of global variables is specified, order of initialization across Translation Units is unspecified. So program with following files foo.cpp #include <iostream> int dummyFoo = ((std::cout << "foo"), 0); b...

Creating an Interval Iterating System

A simple EntitySystem that processes a Family of entities not once per frame, but after a given interval. Entity processing logic should be placed in processEntity(Entity). For more info, please see IntervalIteratingSystem In the below code example, the best usage for this is the physics world ...

Ways to circumvent Same-Origin Policy

As far as client-side JavaScript engines are concerned (those running inside a browser), there is no straightforward solution available for requesting content from sources other than the current domain. (By the way, this limitation does not exist in JavaScript-server tools such as Node JS.) However...

First Spring-MVC Project

Create Dynamic Web project, provide following information's as stated below Project name : DemoSpringMVCProject Target runtime : set as Apache Tomcat v7.0 server Click on finish, successfully we have created dynamic web project. Now we have to setup Spring-MVC framework : Create web.xml...

Controlling the playback using SoundEffectInstance

SoundEffect.Play() plays the sound effect in a "fire-and-forget" fashion. The sound plays once and its lifetime is managed by the framework. You are not able to change the properties (volume, pan, pitch) of the sound during playback, loop it, position it in 3D or pause it. You can hold a ...

Installation or Setup

Google Sheets is a spreadsheet application that runs on web browser. It doesn't require any installation or setup just a Google account and a modern web browser.

Installation or Setup

Detailed instructions on getting outlook-addin set up or installed.

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