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Bend Technologist

The first application in Angular as an aid for metal forming technologists.

Open-Closed Principle

The principle behind the letter "O" in the acronym SOLID is the open-closed principle. Learn the definition and example in Java.

red -> green -> refactor

A few words about TDD

A short article on how to write code based on the TDD methodology. If you want to learn the basics and what writing in TDD can give you, I invite you to read.

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The privacy policy describes the rules for the processing of information about you, including personal data and cookies, i.e. cookies.

1. General information

  1. This policy applies to the website operating at the url address: www.wojciechsiwek.pl
  2. The website operator and the personal data administrator is: Wojciech Siwek
  3. The operator's e-mail contact address: wojciech.siwek.programista@gmail.com
  4. The operator is the Administrator of your personal data in relation to the data provided voluntarily on the Website.
  5. The website uses personal data for the following purposes:
    • Running a comment system
    • Handling inquiries via the form
  6. The website obtains information about users and their behavior in the following way:
    1. Through data entered voluntarily in forms, which are entered into the Operator's systems.
    2. By saving cookie files in end devices (so-called "cookies").

2. Selected data protection methods used by the Operator

  1. The places of logging in and entering personal data are protected in the transmission layer (SSL certificate). As a result, personal data and login data entered on the website are encrypted on the user's computer and can only be read on the target server.
  2. User passwords are stored in a hashed form. The hash function works in one direction - it is not possible to reverse its operation, which is now a modern standard in the field of storing user passwords.
  3. The operator periodically changes his administrative passwords.
  4. In order to protect data, the Operator regularly makes backup copies.
  5. In order to protect data, an essential element of data protection is regular updating of all software used by the Operator to process personal data, which in particular means regular updates of programming components. The Operator regularly makes backup copies.

3. Hosting

  1. The website is hosted (technically maintained) on the operator's server: NETMARK.

4. Your rights and additional information on how to use the data

  1. In some situations, the Administrator has the right to transfer your personal data to other recipients if it is necessary to perform the contract concluded with you or to fulfill the obligations incumbent on the Administrator. This applies to such groups of recipients:
    • postal operators
    • comment system operators
    • authorized employees and associates who use the data to achieve the purpose of the website
  2. Your personal data processed by the Administrator for no longer than it is necessary to perform the related activities specified in separate regulations (e.g. on accounting). With regard to marketing data, the data will not be processed for more than 3 years.
  3. You have the right to request from the Administrator:
    • access to your personal data,
    • rectifying them,
    • deletion,
    • processing restrictions,
    • and data portability.
  4. You have the right to object to the processing indicated in point 3.3 c) to the processing of personal data in order to perform the legitimate interests pursued by the Administrator, including profiling, while the right to object may not be exercised if there are valid legally justified grounds for processing of your interests, rights and freedoms, in particular establishing, investigating or defending claims.
  5. The Administrator's actions may be appealed against to the President of the Personal Data Protection Office, ul. Stawki 2, 00-193 Warsaw.
  6. Providing personal data is voluntary, but necessary to operate the Website.
  7. In relation to you, actions may be taken consisting in automated decision making, including profiling to provide services under the concluded contract and for the purpose of conducting direct marketing by the Administrator.
  8. Personal data is not transferred from third countries within the meaning of the provisions on the protection of personal data. This means that we do not send them outside the European Union.

5. Information in the forms

  1. Serwis zbiera informacje podane dobrowolnie przez użytkownika, w tym dane osobowe, o ile zostaną one podane.
  2. The website may save information about connection parameters (time stamp, IP address).
  3. The website, in some cases, may save information facilitating the linking of data in the form with the e-mail address of the user filling in the form. In this case, the user's e-mail address appears inside the url of the page containing the form.
  4. The data provided in the form is processed for the purpose resulting from the function of a specific form, eg to process the service request or commercial contact, service registration, etc. Each time the context and description of the form clearly informs what it is used for.

6. Administrator logs

  1. Information on the behavior of users on the website may be subject to logging. These data are used to administer the website.

7. Relevant marketing techniques

  1. The operator uses statistical analysis of website traffic through Google Analytics (Google Inc. based in the USA). The operator does not provide personal data to the operator of this service, but only anonymised information. The service is based on the use of cookies on the user's end device. In terms of information about user preferences collected by the Google advertising network, the user can view and edit information derived from cookies using the tool: https://www.google.com/ads/preferences/

8. Information about cookies

  1. The website uses cookies.
  2. Cookie files (so-called "cookies") are IT data, in particular text files, which are stored on the Website User's end device and are intended for using the Website's pages. Cookies usually contain the name of the website they come from, the storage time on the end device and a unique number.
  3. The entity that places cookies on the Website User's end device and obtains access to them is the Website operator.
  4. Cookies are used for the following purposes:
    1. maintaining the Website user's session (after logging in), thanks to which the user does not have to re-enter the login and password on each subpage of the Website;
    2. achieving the goals set out above in the section "Important marketing techniques";
  5. The Website uses two basic types of cookies: session cookies and persistent cookies. Session cookies are temporary files that are stored on the User's end device until logging out, leaving the website or turning off the software (web browser). Persistent cookies are stored on the User's end device for the time specified in the cookie file parameters or until they are deleted by the User.
  6. Software for browsing websites (web browser) usually allows cookies to be stored on the User's end device by default. Website Users can change the settings in this regard. The web browser allows you to delete cookies. It is also possible to automatically block cookies.Detailed information on this subject can be found in the help or documentation of the web browser.
  7. Restrictions on the use of cookies may affect some of the functionalities available on the Website pages.
  8. Cookies placed on the Website User's end device may also be used by entities cooperating with the Website operator, in particular the following companies: Google (Google Inc. based in the USA), Facebook (Facebook Inc. based in the USA), Twitter (Twitter Inc. based in the USA).

9. Managing cookies - how to express and withdraw consent in practice?

  1. If the user does not want to receive cookies, he may change the browser settings. We reserve that disabling cookies necessary for authentication processes, security, maintaining user preferences may make it difficult, and in extreme cases may prevent the use of websites.
  2. In order to manage cookie settings, select the web browser you use from the list below and follow the instructions:
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