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πŸš€ ΠšΡΡˆΠΈΡ€ΠΎΠ²Π°Π½ΠΈΠ΅ Π² Go: ΠΊΠ°ΠΊ Π΄Π΅Π»Π°Ρ‚ΡŒ ΠΏΡ€Π°Π²ΠΈΠ»ΡŒΠ½ΠΎ

Π’ свСТСй ΡΡ‚Π°Ρ‚ΡŒΠ΅ ΠΎΡ‚ Leapcell Ρ€Π°ΡΡΠΌΠ°Ρ‚Ρ€ΠΈΠ²Π°ΡŽΡ‚ΡΡ ΠΊΠ»ΡŽΡ‡Π΅Π²Ρ‹Π΅ аспСкты эффСктивного ΠΊΡΡˆΠΈΡ€ΠΎΠ²Π°Π½ΠΈΡ Π² Go:

- ΠŸΠ»Π°Π½ΠΈΡ€ΠΎΠ²Π°Π½ΠΈΠ΅ ΠΎΠ±ΡŠΡ‘ΠΌΠ° памяти: Π²Π°ΠΆΠ½ΠΎ Π·Π°Ρ€Π°Π½Π΅Π΅ ΠΎΡ†Π΅Π½ΠΈΡ‚ΡŒ, сколько Π΄Π°Π½Π½Ρ‹Ρ… Π±ΡƒΠ΄Π΅Ρ‚ ΠΊΡΡˆΠΈΡ€ΠΎΠ²Π°Ρ‚ΡŒΡΡ, Ρ‡Ρ‚ΠΎΠ±Ρ‹ ΠΈΠ·Π±Π΅ΠΆΠ°Ρ‚ΡŒ пСрСполнСния памяти (OOM).

- ΠšΠ»Π°ΡΡΠΈΡ„ΠΈΠΊΠ°Ρ†ΠΈΡ Π΄Π°Π½Π½Ρ‹Ρ…: Ρ€Π°Π·Π΄Π΅Π»Π΅Π½ΠΈΠ΅ Π΄Π°Π½Π½Ρ‹Ρ… Π½Π° "горячиС" ΠΈ "Ρ…ΠΎΠ»ΠΎΠ΄Π½Ρ‹Π΅" ΠΏΠΎΠΌΠΎΠ³Π°Π΅Ρ‚ ΠΎΠΏΡ‚ΠΈΠΌΠΈΠ·ΠΈΡ€ΠΎΠ²Π°Ρ‚ΡŒ использованиС рСсурсов, сохраняя часто ΠΈΡΠΏΠΎΠ»ΡŒΠ·ΡƒΠ΅ΠΌΡ‹Π΅ Π΄Π°Π½Π½Ρ‹Π΅ Π² быстром доступС, Π° Ρ€Π΅Π΄ΠΊΠΎ ΠΈΡΠΏΠΎΠ»ΡŒΠ·ΡƒΠ΅ΠΌΡ‹Π΅ β€” Π½Π° Π±ΠΎΠ»Π΅Π΅ экономичных носитСлях.

- Π‘Ρ‚Ρ€Π°Ρ‚Π΅Π³ΠΈΠΈ ΠΊΡΡˆΠΈΡ€ΠΎΠ²Π°Π½ΠΈΡ Π² распрСдСлённых систСмах:
- ИспользованиС распрСдСлённого кэша (Π½Π°ΠΏΡ€ΠΈΠΌΠ΅Ρ€, Redis).
- НаправлСниС ΠΎΠ΄ΠΈΠ½Π°ΠΊΠΎΠ²Ρ‹Ρ… запросов Π½Π° ΠΎΠ΄ΠΈΠ½ ΠΈ Ρ‚ΠΎΡ‚ ΠΆΠ΅ экзСмпляр прилоТСния.
- РСпликация кэша Π½Π° ΠΊΠ°ΠΆΠ΄ΠΎΠΌ экзСмплярС прилоТСния.

- ΠŸΠΎΠ»ΠΈΡ‚ΠΈΠΊΠΈ вытСснСния: ΠΏΡ€ΠΈΠΌΠ΅Π½Π΅Π½ΠΈΠ΅ Π°Π»Π³ΠΎΡ€ΠΈΡ‚ΠΌΠ° LRU (Least Recently Used) ΠΏΠΎΠΌΠΎΠ³Π°Π΅Ρ‚ ΠΊΠΎΠ½Ρ‚Ρ€ΠΎΠ»ΠΈΡ€ΠΎΠ²Π°Ρ‚ΡŒ Ρ€Π°Π·ΠΌΠ΅Ρ€ кэша, удаляя Π½Π°ΠΈΠΌΠ΅Π½Π΅Π΅ ΠΈΡΠΏΠΎΠ»ΡŒΠ·ΡƒΠ΅ΠΌΡ‹Π΅ элСмСнты.

ΠŸΠΎΠ΄Ρ€ΠΎΠ±Π½Π΅Π΅: https://dev.to/leapcell/caching-in-go-doing-it-right-25i5



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πŸš€ ΠšΡΡˆΠΈΡ€ΠΎΠ²Π°Π½ΠΈΠ΅ Π² Go: ΠΊΠ°ΠΊ Π΄Π΅Π»Π°Ρ‚ΡŒ ΠΏΡ€Π°Π²ΠΈΠ»ΡŒΠ½ΠΎ

Π’ свСТСй ΡΡ‚Π°Ρ‚ΡŒΠ΅ ΠΎΡ‚ Leapcell Ρ€Π°ΡΡΠΌΠ°Ρ‚Ρ€ΠΈΠ²Π°ΡŽΡ‚ΡΡ ΠΊΠ»ΡŽΡ‡Π΅Π²Ρ‹Π΅ аспСкты эффСктивного ΠΊΡΡˆΠΈΡ€ΠΎΠ²Π°Π½ΠΈΡ Π² Go:

- ΠŸΠ»Π°Π½ΠΈΡ€ΠΎΠ²Π°Π½ΠΈΠ΅ ΠΎΠ±ΡŠΡ‘ΠΌΠ° памяти: Π²Π°ΠΆΠ½ΠΎ Π·Π°Ρ€Π°Π½Π΅Π΅ ΠΎΡ†Π΅Π½ΠΈΡ‚ΡŒ, сколько Π΄Π°Π½Π½Ρ‹Ρ… Π±ΡƒΠ΄Π΅Ρ‚ ΠΊΡΡˆΠΈΡ€ΠΎΠ²Π°Ρ‚ΡŒΡΡ, Ρ‡Ρ‚ΠΎΠ±Ρ‹ ΠΈΠ·Π±Π΅ΠΆΠ°Ρ‚ΡŒ пСрСполнСния памяти (OOM).

- ΠšΠ»Π°ΡΡΠΈΡ„ΠΈΠΊΠ°Ρ†ΠΈΡ Π΄Π°Π½Π½Ρ‹Ρ…: Ρ€Π°Π·Π΄Π΅Π»Π΅Π½ΠΈΠ΅ Π΄Π°Π½Π½Ρ‹Ρ… Π½Π° "горячиС" ΠΈ "Ρ…ΠΎΠ»ΠΎΠ΄Π½Ρ‹Π΅" ΠΏΠΎΠΌΠΎΠ³Π°Π΅Ρ‚ ΠΎΠΏΡ‚ΠΈΠΌΠΈΠ·ΠΈΡ€ΠΎΠ²Π°Ρ‚ΡŒ использованиС рСсурсов, сохраняя часто ΠΈΡΠΏΠΎΠ»ΡŒΠ·ΡƒΠ΅ΠΌΡ‹Π΅ Π΄Π°Π½Π½Ρ‹Π΅ Π² быстром доступС, Π° Ρ€Π΅Π΄ΠΊΠΎ ΠΈΡΠΏΠΎΠ»ΡŒΠ·ΡƒΠ΅ΠΌΡ‹Π΅ β€” Π½Π° Π±ΠΎΠ»Π΅Π΅ экономичных носитСлях.

- Π‘Ρ‚Ρ€Π°Ρ‚Π΅Π³ΠΈΠΈ ΠΊΡΡˆΠΈΡ€ΠΎΠ²Π°Π½ΠΈΡ Π² распрСдСлённых систСмах:
- ИспользованиС распрСдСлённого кэша (Π½Π°ΠΏΡ€ΠΈΠΌΠ΅Ρ€, Redis).
- НаправлСниС ΠΎΠ΄ΠΈΠ½Π°ΠΊΠΎΠ²Ρ‹Ρ… запросов Π½Π° ΠΎΠ΄ΠΈΠ½ ΠΈ Ρ‚ΠΎΡ‚ ΠΆΠ΅ экзСмпляр прилоТСния.
- РСпликация кэша Π½Π° ΠΊΠ°ΠΆΠ΄ΠΎΠΌ экзСмплярС прилоТСния.

- ΠŸΠΎΠ»ΠΈΡ‚ΠΈΠΊΠΈ вытСснСния: ΠΏΡ€ΠΈΠΌΠ΅Π½Π΅Π½ΠΈΠ΅ Π°Π»Π³ΠΎΡ€ΠΈΡ‚ΠΌΠ° LRU (Least Recently Used) ΠΏΠΎΠΌΠΎΠ³Π°Π΅Ρ‚ ΠΊΠΎΠ½Ρ‚Ρ€ΠΎΠ»ΠΈΡ€ΠΎΠ²Π°Ρ‚ΡŒ Ρ€Π°Π·ΠΌΠ΅Ρ€ кэша, удаляя Π½Π°ΠΈΠΌΠ΅Π½Π΅Π΅ ΠΈΡΠΏΠΎΠ»ΡŒΠ·ΡƒΠ΅ΠΌΡ‹Π΅ элСмСнты.

ΠŸΠΎΠ΄Ρ€ΠΎΠ±Π½Π΅Π΅: https://dev.to/leapcell/caching-in-go-doing-it-right-25i5

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Telegram and Signal Havens for Right-Wing Extremists

Since the violent storming of Capitol Hill and subsequent ban of former U.S. President Donald Trump from Facebook and Twitter, the removal of Parler from Amazon’s servers, and the de-platforming of incendiary right-wing content, messaging services Telegram and Signal have seen a deluge of new users. In January alone, Telegram reported 90 million new accounts. Its founder, Pavel Durov, described this as β€œthe largest digital migration in human history.” Signal reportedly doubled its user base to 40 million people and became the most downloaded app in 70 countries. The two services rely on encryption to protect the privacy of user communication, which has made them popular with protesters seeking to conceal their identities against repressive governments in places like Belarus, Hong Kong, and Iran. But the same encryption technology has also made them a favored communication tool for criminals and terrorist groups, including al Qaeda and the Islamic State.

How to Invest in Bitcoin?

Like a stock, you can buy and hold Bitcoin as an investment. You can even now do so in special retirement accounts called Bitcoin IRAs. No matter where you choose to hold your Bitcoin, people’s philosophies on how to invest it vary: Some buy and hold long term, some buy and aim to sell after a price rally, and others bet on its price decreasing. Bitcoin’s price over time has experienced big price swings, going as low as $5,165 and as high as $28,990 in 2020 alone. β€œI think in some places, people might be using Bitcoin to pay for things, but the truth is that it’s an asset that looks like it’s going to be increasing in value relatively quickly for some time,” Marquez says. β€œSo why would you sell something that’s going to be worth so much more next year than it is today? The majority of people that hold it are long-term investors.”

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