How to become an EDITx Author?

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EDITx is an open IT Library of questions to share and gain knowledge. Become an EDITx author because you care: share your knowledge to fit everyone benefit with a quality IT education.

What you get...

As contributor of the IT library, you allow others to use your questions, in the same way you can make use of theirs. Nevertheless, you keep the intellectual property on your work and will be notified any time that an author is using your questions or when someone answers your questions. Moreover, your privileged status allows you to set up private and public tests, to share your questions with your students, friends, colleagues or acquaintances and to get the results in real time.

... is what you give !

To become an EDITx Author, you just need to set up 5 QCM questions, in the field of your choice, and indicate the right answer. If your questions allows a better "Education in IT for X", you will receive the status and advantages of an EDITx Author.

Post date Author Category Body Stats
Sylvain Guerin
Angular 2 Enthusiast & Digital Craftsman at ENGIE Electrabel

What happens when you try to execute the following code?

436 answers
28 good - 408 bad
David Hauweele
PhD student (FRIA) at Université de Mons

In C, suppose you define two functions:

50 answers
10 good - 40 bad
Sabrina Pereira
Consultant .Net Senior at SoftFluent

Which of the features below offers EF Core that won't be implemented in EF6?

54 answers
2 good - 52 bad
Olivier Hubaut
Board Member & JUG Leader at Brussels Java User Group & Founder at T.M.P. Solution

What will be the output of the following code:

158 answers
42 good - 116 bad
Sébastien Combéfis
Lecturer at ECAM
988 answers
473 good - 515 bad
Pierre Bettens
IT Teacher - Maitre-Assistant at ESI

Which of them is not an operator in Java ?

582 answers
299 good - 283 bad
Johan Janssen
Trainer and software Architect at Info Support

What is the output of the following code ?

167 answers
27 good - 140 bad
Daniel Penninck
Co-Founder & advisor at

Which is a valid declarations of a String?

249 answers
188 good - 61 bad
David Hernie
Partner Business Evangelist at Microsoft Belux

Which class defines methods and properties to perform an in-app purchase?

270 answers
82 good - 188 bad
Sébastien Combéfis
Lecturer at ECAM

Les écureuils égoïstes habitent dans les trous des arbres.

327 answers
22 good - 305 bad
Pierre-Emmanuel Dautreppe
.Net Evangelist and Agile Coach at Pyxis Belgium

You are defining a new class, and for some reasons, you want to completely obfuscate its...

256 answers
61 good - 195 bad
Laurent Schalkwijk
Maître-Assistant at EPHEC
Network & Infrastructure

754 answers
751 good - 3 bad
Sébastien Combéfis
Lecturer at ECAM
Bebras Junior NL

Ik heb een weegschaal op mijn zolder gevonden, maar ik kan het gewicht van een object in kg niet...

539 answers
41 good - 498 bad
Frédéric Hubin
Senior Java Architect at ING Belgium

In order to do efficient asynchronous socket based communications with several parties but...

253 answers
161 good - 92 bad
Carole Dembour
Advisor - Economics at FEB

I want to calculate the sum of all values greater than 10. Which formula(s) could I use ?

298 answers
143 good - 155 bad
Sébastien Combéfis
Lecturer at ECAM
Bebras Junior NL

Welke cijferreeks voltooit het best de volgende reeks?

1, 11, 21, 1211, 111221, …

245 answers
53 good - 192 bad
Louis J. Mercken
Chairman of the Challenge Jury, Co-Founder Threon, Currently Senior Advisor to the Threon CEO & Board of Directors at Threon
Project Management

All of the following are parts of the team's stakeholder management effort EXCEPT:

251 answers
194 good - 57 bad
Thodoris Bais
Scrum Master at ABN AMRO Bank N.V.

Which of the following design patterns is an example of the “single responsibility” principle...

373 answers
183 good - 190 bad
Raul Jimenez
Google Developer Expert & Frontend Architect at Freelance

If you create a union type in TypeScript you can only access members that are common to all...

733 answers
58 good - 675 bad
Sébastien Combéfis
Lecturer at ECAM

Les castors aiment l’eau propre.

690 answers
473 good - 217 bad
Philippe Charrière
CSO & Tech evangelist at Clever Cloud

What am I ?

250 answers
44 good - 206 bad
Thierry Van den Berghe
Professor in ICT / Associate Dean for Research at ICHEC
Business Analyst

A Data Dictionary document provides details about the data that relate to a business solution....

101 answers
25 good - 76 bad
Olivier Matis

What do you use to be able to consume native libraries (objective-c, swift on ios, java on...

100 answers
65 good - 35 bad
Bebras Community
Bebras Junior Fr

Tu te promènes avec tes scouts dans la montagne.

467 answers
131 good - 336 bad
Geoffrey Vandiest
Chief Technical Architect Gas Flow Management at Fluxys

Both Connection Strings and App Settings can be modified when accessed from application code?

532 answers
157 good - 375 bad
Pierre-Emmanuel Dautreppe
.Net Evangelist and Agile Coach at Pyxis Belgium

Which instruction forces the garbage collector to collect an object?

81 answers
50 good - 31 bad
Sebastian Rudolph
Professor for Computational Logic at TU Dresden

Which of the following logics is the most expressive?

689 answers
368 good - 321 bad
Sébastien Combéfis
Lecturer at ECAM
IT Student

What is defining the following definition ?

89 answers
86 good - 3 bad
Gilles Flisch
Microsoft Tailor Made Development Manager at Elia

To retrieve an ancestor in the VisualTree in Uwp I have to use

912 answers
25 good - 887 bad
Dennis Jaamann
Freelance Frontend Architect & Founder at JsBe

The Angular CLI uses a feature called schematics to scaffold pieces of your application, or even...

640 answers
568 good - 72 bad