Cryptocurrency
A cryptocurrency is a digital currency that only has value dependent on those who back it. For security, cryptocurrencies rely on blockchaining: a database organized in such a way that records are kept secure through peer-to-peer networks. Each record is kept within a block, and each block holds a timestamp and link to the block before it. The first cryptocurrency was Bitcoin, implemented in 2009 by Satoshi Nakamoto.
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This is a very simple enchantment, but I think it is so helpful for intuitively comparing strat's performances.
Such as this image, showing CAGR and MDD is extremely intuitive for comparing strategies, higher CAGR(profitability) and lower MDD(risk) is bett-
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Nov 14, 2021 - Python
Creating a new issue based on lbryio/lbry-sdk#877
- Update ensure_directory_exists() to check that the directory is writable by the current process.
- If it's not, return a useful error
- Add tests to cover the case when
- download directory does not exist
- download dir exists but is not writable
- dir exists an
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Nov 12, 2021 - C++
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Background
When compaction failed as described in #5936 I got the following message:
could not start compaction, destination folder /home/bitcoin/.lnd/data/graph/mainnet only has 10823012352 bytes of free disk space available while we need at least 10196967424 for worst-case compaction
This is confusing, as 10823012352 > 10196967424.
Your environment
- 0.14.0-beta.rc2
- L
Currently stratumserver has no unit tests. This will improve the quality and allow future commits to be TDD safe. All units will be tested to ensure the module as a unit itself is tested.
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Oct 15, 2021
Reading currencies, alphavantage returns a greeting note ("welcome") and this note raises an error in alphavantage.py line 363.
elif "Note" in json_response and self.treat_info_as_error:
raise ValueError(json_response["Note"])
For this reason, alphavantage does not work in home assistant.
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Jul 15, 2021 - JavaScript
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The instructions and infrastructure for building on windows are not very good. It takes too long and there are too many manual steps and too much ambiguity and it takes too long between each manual step. We need to do better. I followed the instructions at build options on nano.org. I did not try to follow the steps taken by the CI build which maybe would been better because at least there would b
Add custom clj-kondo hooks for macroses to ensure that lint rules are followed inside them.
Macros to be handled:
fx/defn- similarly to defn with check on metadata for::eventsfx/merge- seems like it could be lint'ed as thread macro, plus warn on limitationsdefviewletsubs- lint as let + check on types for
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Nov 9, 2021 - JavaScript
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Nov 7, 2021 - Go
As discussed in cosmos/cosmos-sdk#9913
In adr-046, the sdk decided to move away from a param module in favor of having each sdk module handle its own parameters. This is an optional change for applications and the Param module will live on in a deprecated form. The sdk w
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Nov 14, 2021 - Go
Those two things tend to stall a bit on startup. It would be nice to have the [0%]... output for them.
Similar to how the fee is returned in
getblock(#18771), it should be returned ingetrawtransaction.Useful skills:
Understanding of undo data, the RPC interface and the functional tests.
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