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Front-end va Back-end so'zlari yonma-yon tilga olinib kelinishini hamma biladi. Front-end nimaligini oldingi postlarimizda tushintirib berdik. Bugun web dasturlashdagi Back-end tushinchasini o'rgsnamiz.
Bitta magazinni olaylik va uni sayt misolida ko'rib chiqamiz. Magazinlarni savatchasi bo'ladi va saytlarning savatcha(korzinka)si bo'ladi. Harid qilinadigan buyumlar yig'ilgach pulini to'lash ishlari boshlanadi. Ba'zida platinali karta orqali ham to'lashga majbur bo'lamiz. Web saytlarda esa koʻproq shu usuldan foydalaniladi. Magazinda terminal bor lekin web saytning terminali yo'q-ku deyishimiz mumkin.
Web saytning ham terminali bor. Faqat u bizga ko'rinmaydi. Terminal Back-end da vazifasini bajaradi. Suz Front-endda mana shu kartadan shuncha pul ol deb buyruq berasiz keyin buyruq Back-endga boradi va vazifa bajariladi.
Xullas, Back-endchi ko'rinmasdan odamlarga yordam beradi. U bo'lmasa Front-end ancha qiynalib qoladi. Misol uchun: Back-endsiz web sayt mazasiz shirinlikdek gap.
Front-end va Back-end so'zlari yonma-yon tilga olinib kelinishini hamma biladi. Front-end nimaligini oldingi postlarimizda tushintirib berdik. Bugun web dasturlashdagi Back-end tushinchasini o'rgsnamiz.
Bitta magazinni olaylik va uni sayt misolida ko'rib chiqamiz. Magazinlarni savatchasi bo'ladi va saytlarning savatcha(korzinka)si bo'ladi. Harid qilinadigan buyumlar yig'ilgach pulini to'lash ishlari boshlanadi. Ba'zida platinali karta orqali ham to'lashga majbur bo'lamiz. Web saytlarda esa koʻproq shu usuldan foydalaniladi. Magazinda terminal bor lekin web saytning terminali yo'q-ku deyishimiz mumkin.
Web saytning ham terminali bor. Faqat u bizga ko'rinmaydi. Terminal Back-end da vazifasini bajaradi. Suz Front-endda mana shu kartadan shuncha pul ol deb buyruq berasiz keyin buyruq Back-endga boradi va vazifa bajariladi.
Xullas, Back-endchi ko'rinmasdan odamlarga yordam beradi. U bo'lmasa Front-end ancha qiynalib qoladi. Misol uchun: Back-endsiz web sayt mazasiz shirinlikdek gap.
Bitcoin is built on a distributed digital record called a blockchain. As the name implies, blockchain is a linked body of data, made up of units called blocks that contain information about each and every transaction, including date and time, total value, buyer and seller, and a unique identifying code for each exchange. Entries are strung together in chronological order, creating a digital chain of blocks. “Once a block is added to the blockchain, it becomes accessible to anyone who wishes to view it, acting as a public ledger of cryptocurrency transactions,” says Stacey Harris, consultant for Pelicoin, a network of cryptocurrency ATMs. Blockchain is decentralized, which means it’s not controlled by any one organization. “It’s like a Google Doc that anyone can work on,” says Buchi Okoro, CEO and co-founder of African cryptocurrency exchange Quidax. “Nobody owns it, but anyone who has a link can contribute to it. And as different people update it, your copy also gets updated.”
Telegram announces Anonymous Admins
The cloud-based messaging platform is also adding Anonymous Group Admins feature. As per Telegram, this feature is being introduced for safer protests. As per the Telegram blog post, users can “Toggle Remain Anonymous in Admin rights to enable Batman mode. The anonymized admin will be hidden in the list of group members, and their messages in the chat will be signed with the group name, similar to channel posts.”
