{"id":233,"date":"2026-01-24T13:22:38","date_gmt":"2026-01-24T12:22:38","guid":{"rendered":"https:\/\/developerdays.eu\/warsaw\/?page_id=233"},"modified":"2026-05-09T11:13:01","modified_gmt":"2026-05-09T09:13:01","slug":"faq","status":"publish","type":"page","link":"https:\/\/developerdays.eu\/warsaw\/faq\/","title":{"rendered":"Frequently asked questions"},"content":{"rendered":"<section class=\"l-section wpb_row height_large\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_grid cols_1 laptops-cols_inherit tablets-cols_inherit mobiles-cols_1 valign_top type_default stacking_default\"><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\"><h2 class=\"w-text us_custom_eb849559\"><span class=\"w-text-h\"><span class=\"w-text-value\">Frequently asked questions<\/span><\/span><\/h2><div class=\"w-separator size_medium\"><\/div><div class=\"g-cols wpb_row via_grid cols_3-1 laptops-cols_inherit tablets-cols_inherit mobiles-cols_1 valign_top type_default stacking_default\" style=\"--gap:3rem;\"><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"w-tabs style_default switch_click accordion type_togglable has_scrolling remove_indents\" style=\"--sections-title-size:1.4rem\"><div class=\"w-tabs-sections titles-align_none icon_chevron cpos_right\"><div class=\"w-tabs-section\" id=\"faq2\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"><button class=\"w-tabs-section-header with_icon\" aria-controls=\"content-faq2\" aria-expanded=\"false\"><i class=\"fas fa-question-circle\"><\/i><h3 class=\"w-tabs-section-title\" itemprop=\"name\">When<\/h3><div class=\"w-tabs-section-control\"><\/div><\/button><div  class=\"w-tabs-section-content\" id=\"content-faq2\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"><div class=\"w-tabs-section-content-h i-cf\" itemprop=\"text\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p><span>The main conference of .NET DeveloperDays 2026 takes place on October 20-21, 2026 (Tuesday\u2013Wednesday), with the optional full-day pre-conference sessions (workshops) taking place on October 19 (Monday).<\/span><\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"w-tabs-section\" id=\"faq3\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"><button class=\"w-tabs-section-header with_icon\" aria-controls=\"content-faq3\" aria-expanded=\"false\"><i class=\"fas fa-question-circle\"><\/i><h3 class=\"w-tabs-section-title\" itemprop=\"name\">Where<\/h3><div class=\"w-tabs-section-control\"><\/div><\/button><div  class=\"w-tabs-section-content\" id=\"content-faq3\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"><div class=\"w-tabs-section-content-h i-cf\" itemprop=\"text\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p><span>.NET DeveloperDays will be held at VIZJA PARK in Warsaw, 59 Okopowa St. Visit the <a href=\"https:\/\/vizjapark.pl\/offer\/\">venue page<\/a> for more information about it.<\/span><\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"w-tabs-section\" id=\"faq4\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"><button class=\"w-tabs-section-header with_icon\" aria-controls=\"content-faq4\" aria-expanded=\"false\"><i class=\"fas fa-question-circle\"><\/i><h3 class=\"w-tabs-section-title\" itemprop=\"name\">What Is This Conference About?<\/h3><div class=\"w-tabs-section-control\"><\/div><\/button><div  class=\"w-tabs-section-content\" id=\"content-faq4\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"><div class=\"w-tabs-section-content-h i-cf\" itemprop=\"text\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p><span>The main topic of the event is software development using .NET. At the conference, you will hear about programming languages, technologies, tools, and practical problems that every person working with .NET can encounter these days.<\/span><br \/><span>Topics of sessions include C#, F#, Visual Studio, ASP.NET, MAUI, architecture, project management, and all the related stuff. The full agenda will be available at August 2026.<\/span><\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"w-tabs-section\" id=\"faq6\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"><button class=\"w-tabs-section-header with_icon\" aria-controls=\"content-faq6\" aria-expanded=\"false\"><i class=\"fas fa-question-circle\"><\/i><h3 class=\"w-tabs-section-title\" itemprop=\"name\">In What Language Will The Sessions Be Presented?<\/h3><div class=\"w-tabs-section-control\"><\/div><\/button><div  class=\"w-tabs-section-content\" id=\"content-faq6\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"><div class=\"w-tabs-section-content-h i-cf\" itemprop=\"text\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p><span>The official conference language is English. All the conference sessions will be presented in English.<\/span><\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"w-tabs-section\" id=\"faq8\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"><button class=\"w-tabs-section-header with_icon\" aria-controls=\"content-faq8\" aria-expanded=\"false\"><i class=\"fas fa-question-circle\"><\/i><h3 class=\"w-tabs-section-title\" itemprop=\"name\">Should I Enroll For Particular Sessions?<\/h3><div class=\"w-tabs-section-control\"><\/div><\/button><div  class=\"w-tabs-section-content\" id=\"content-faq8\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"><div class=\"w-tabs-section-content-h i-cf\" itemprop=\"text\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p>No, conference sessions do not require additional enrollment. However, if you are registered for one of the training sessions on October 19, you will be assigned to that session. Changes to the full-day training session you are registered for are possible no later than 14 days before the event. If you would like to change your workshop, please contact us via e-mail.<\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"w-tabs-section\" id=\"faq5\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"><button class=\"w-tabs-section-header with_icon\" aria-controls=\"content-faq5\" aria-expanded=\"false\"><i class=\"fas fa-question-circle\"><\/i><h3 class=\"w-tabs-section-title\" itemprop=\"name\">I Haven\u2019t Received Any Confirmation That I\u2019m Registered For The Conference. Can I Arrive To Warsaw Without Any Fear?<\/h3><div class=\"w-tabs-section-control\"><\/div><\/button><div  class=\"w-tabs-section-content\" id=\"content-faq5\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"><div class=\"w-tabs-section-content-h i-cf\" itemprop=\"text\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p><span>The electronic ticket, that you problably received on your e-mail inbox, is the confirmation of participation in the event. If you lost it, don\u2019t panic \u2013 we\u2019ll send tickets to all attendees the few days before the event. Even if you were absent at the list of attendees, you would take part in the event after quick payment at the service desk.<\/span><\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"w-tabs-section\" id=\"faq9\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"><button class=\"w-tabs-section-header with_icon\" aria-controls=\"content-faq9\" aria-expanded=\"false\"><i class=\"fas fa-question-circle\"><\/i><h3 class=\"w-tabs-section-title\" itemprop=\"name\">My Company Is VAT Registered In EU. Do I Have To Pay VAT On My Registration?<\/h3><div class=\"w-tabs-section-control\"><\/div><\/button><div  class=\"w-tabs-section-content\" id=\"content-faq9\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"><div class=\"w-tabs-section-content-h i-cf\" itemprop=\"text\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p><span>Since the place of service delivery is in Poland, we have to charge VAT on top of the net amount and the \u201creverse charge\u201d scheme does not apply in this case (it\u2019s different from the export of services or goods to another EU country). You can, however, reclaim the paid VAT from Polish tax authorities under EU VAT return scheme. More on that here: <a href=\"http:\/\/europa.eu\/youreurope\/business\/vat-customs\/refund\/index_en.htm\">http:\/\/europa.eu\/youreurope\/business\/vat-customs\/refund\/index_en.htm<\/a>.<\/span><\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"w-tabs-section\" id=\"f53e\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"><button class=\"w-tabs-section-header with_icon\" aria-controls=\"content-f53e\" aria-expanded=\"false\"><i class=\"fas fa-question-circle\"><\/i><h3 class=\"w-tabs-section-title\" itemprop=\"name\">When Will My Company Receive A Paper Invoice?<\/h3><div class=\"w-tabs-section-control\"><\/div><\/button><div  class=\"w-tabs-section-content\" id=\"content-f53e\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"><div class=\"w-tabs-section-content-h i-cf\" itemprop=\"text\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p><span>According to point IV.8 of the Regulations available at registration system, we don\u2019t send paper invoices. According to Polish law, unsigned invoice has the same importance as signed \u2013 thus, in order to get paper invoice, it\u2019s enough to print the electronic version of it.<\/span><\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"w-tabs-section\" id=\"m6b5\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"><button class=\"w-tabs-section-header with_icon\" aria-controls=\"content-m6b5\" aria-expanded=\"false\"><i class=\"fas fa-question-circle\"><\/i><h3 class=\"w-tabs-section-title\" itemprop=\"name\">Can I Change Pre-Con Session After Registration?<\/h3><div class=\"w-tabs-section-control\"><\/div><\/button><div  class=\"w-tabs-section-content\" id=\"content-m6b5\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"><div class=\"w-tabs-section-content-h i-cf\" itemprop=\"text\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p><span>Yes, you can inform us after registration via e-mail (<a href=\"mailto:info@developerdays.eu\">info@developerdays.eu<\/a>) that you want to change your pre-con session to the different one. The deadline for such changes is October 5, 2026.<\/span><\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"w-tabs-section\" id=\"v84a\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"><button class=\"w-tabs-section-header with_icon\" aria-controls=\"content-v84a\" aria-expanded=\"false\"><i class=\"fas fa-question-circle\"><\/i><h3 class=\"w-tabs-section-title\" itemprop=\"name\">How Do I Get There?<\/h3><div class=\"w-tabs-section-control\"><\/div><\/button><div  class=\"w-tabs-section-content\" id=\"content-v84a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"><div class=\"w-tabs-section-content-h i-cf\" itemprop=\"text\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p><span>Warsaw is easily accessible from other European cities, within Poland as well as from numerous foreign locations. Warsaw has two major airports: Ok\u0119cie Airport which serves traditional airlines flying to a huge number of destinations within Europe, and Modlin Airport (located 35km from the city center) which serves low-cost airlines flying mainly to destinations in Western Europe.<\/span><\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"w-tabs-section\" id=\"x9db\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"><button class=\"w-tabs-section-header with_icon\" aria-controls=\"content-x9db\" aria-expanded=\"false\"><i class=\"fas fa-question-circle\"><\/i><h3 class=\"w-tabs-section-title\" itemprop=\"name\">Is There A Place Where I Can Leave My Luggage During The Conference?<\/h3><div class=\"w-tabs-section-control\"><\/div><\/button><div  class=\"w-tabs-section-content\" id=\"content-x9db\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"><div class=\"w-tabs-section-content-h i-cf\" itemprop=\"text\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p><span>Our venue offers a cloakroom available all day.<\/span><\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"w-tabs-section\" id=\"jb61\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"><button class=\"w-tabs-section-header with_icon\" aria-controls=\"content-jb61\" aria-expanded=\"false\"><i class=\"fas fa-question-circle\"><\/i><h3 class=\"w-tabs-section-title\" itemprop=\"name\">Can I Park My Car At The Venue?<\/h3><div class=\"w-tabs-section-control\"><\/div><\/button><div  class=\"w-tabs-section-content\" id=\"content-jb61\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"><div class=\"w-tabs-section-content-h i-cf\" itemprop=\"text\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p><span>Yes, there is a paid parking lot at the venue.<\/span><\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"w-tabs-section\" id=\"mcf5\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"><button class=\"w-tabs-section-header with_icon\" aria-controls=\"content-mcf5\" aria-expanded=\"false\"><i class=\"fas fa-question-circle\"><\/i><h3 class=\"w-tabs-section-title\" itemprop=\"name\">Will There Be WiFi Available?<\/h3><div class=\"w-tabs-section-control\"><\/div><\/button><div  class=\"w-tabs-section-content\" id=\"content-mcf5\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"><div class=\"w-tabs-section-content-h i-cf\" itemprop=\"text\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p><span>Yes, we will have a WiFi available for the conference attendees.<\/span><\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"w-tabs-section\" id=\"tebc\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"><button class=\"w-tabs-section-header with_icon\" aria-controls=\"content-tebc\" aria-expanded=\"false\"><i class=\"fas fa-question-circle\"><\/i><h3 class=\"w-tabs-section-title\" itemprop=\"name\">I Can\u2019t Go To The Event, But There\u2019s A Person Who Would Like To Attend The Event Instead Of Me. What Should We Do?<\/h3><div class=\"w-tabs-section-control\"><\/div><\/button><div  class=\"w-tabs-section-content\" id=\"content-tebc\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"><div class=\"w-tabs-section-content-h i-cf\" itemprop=\"text\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p>Please log in to your account in registration system and click the \u201cEdit registration\u201d button. Make all necessary changes, next click \u201cSave\u201d and confirm. Both you and new Partcipant will receive the e-mail confirmation. Prepare the following information:<\/p>\n<p>\u2013 first name, last name (of new participant)<br \/>\u2013 email address<br \/>\u2013 t-shirt size<br \/>\u2013 participation in conference party (no\/alone\/with accompanying person)<br \/>\u2013 current job position<br \/>\u2013 job experience<\/p>\n<p>Alternatively, you may contact us via e-mail, and we will make the participant change in the system on your behalf.<\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"w-tabs-section\" id=\"o03a\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"><button class=\"w-tabs-section-header with_icon\" aria-controls=\"content-o03a\" aria-expanded=\"false\"><i class=\"fas fa-question-circle\"><\/i><h3 class=\"w-tabs-section-title\" itemprop=\"name\">Can I Arrive After the Keynote Starts?<\/h3><div class=\"w-tabs-section-control\"><\/div><\/button><div  class=\"w-tabs-section-content\" id=\"content-o03a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"><div class=\"w-tabs-section-content-h i-cf\" itemprop=\"text\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p><span>Yes \u2013 the registration desk is going to be open almost all day \u2013 till 5 PM.<\/span><\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"w-tabs-section\" id=\"p1b1\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"><button class=\"w-tabs-section-header with_icon\" aria-controls=\"content-p1b1\" aria-expanded=\"false\"><i class=\"fas fa-question-circle\"><\/i><h3 class=\"w-tabs-section-title\" itemprop=\"name\">I Need A Visa To Enter Poland. Can You Help?<\/h3><div class=\"w-tabs-section-control\"><\/div><\/button><div  class=\"w-tabs-section-content\" id=\"content-p1b1\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"><div class=\"w-tabs-section-content-h i-cf\" itemprop=\"text\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p><span>Sure! As soon as you register and pay for your participation in the conference, contact us and we will prepare a visa invitation letter for you. After registration and payment, please contact us for your visa invitation letter. We will need your full name, date of birth, nationality and passport number. In the unlikely case that your visa application was refused, we would refund your conference fee in full (this procedure requires a consulate statement denying visa).<\/span><\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"wpb_column vc_column_container type_sticky\"><div class=\"vc_column-inner\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><h4>One More Question?<\/h4>\n<p>Let us know, if you need some help and didn&#8217;t find an answer to your question.<\/p>\n<\/div><\/div><div class=\"w-separator size_small\"><\/div><div class=\"w-btn-wrapper align_none\"><a class=\"w-btn us-btn-style_2\" href=\"https:\/\/developerdays.eu\/warsaw\/contact\/\"><span class=\"w-btn-label\">Contact Us<\/span><\/a><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/section>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-233","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/developerdays.eu\/warsaw\/wp-json\/wp\/v2\/pages\/233","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/developerdays.eu\/warsaw\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/developerdays.eu\/warsaw\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/developerdays.eu\/warsaw\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/developerdays.eu\/warsaw\/wp-json\/wp\/v2\/comments?post=233"}],"version-history":[{"count":11,"href":"https:\/\/developerdays.eu\/warsaw\/wp-json\/wp\/v2\/pages\/233\/revisions"}],"predecessor-version":[{"id":395,"href":"https:\/\/developerdays.eu\/warsaw\/wp-json\/wp\/v2\/pages\/233\/revisions\/395"}],"wp:attachment":[{"href":"https:\/\/developerdays.eu\/warsaw\/wp-json\/wp\/v2\/media?parent=233"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}