dmw_ng

24 ms·

241.
by dmw_ng 6y ago
If you really care about this you must also pay attention to funds you hold, as (AFAIK) the vast majority of providers earn extra yield by lending out their holdings https://www.investopedia.com/investing/role-securitie
242.
by dmw_ng 6y ago
You can order physical delivery of certificates from them if you want, but absolutely nobody actually wants this, not least because you'll have to pay for all the silly labour involved, and pay for it all over again if you ever intend
243.
by dmw_ng 6y ago
The optimization got moved to unicode objects during the great Python 3 upheaval and AFAIK still remains unimplemented for what are now bytes objects. The paramiko SSH library relied on it heavily, as a result its runtime is (AFAIK still) h
244.
by dmw_ng 6y ago
Linux is likely many years from having anything approaching a fully asynchronous system call interface, if anyone was willing to work on it (io_uring makes a huge dent but I don't think it's intending to reimplement everything). E
245.
by dmw_ng 6y ago
The introduction of https://software.intel.com/sites/default/files/managed/4d/2a... has as much detail as I could ask for. Seems the GCC flag only enables the Intel implementation for now
246.
by dmw_ng 6y ago
These complaints need to reframed in terms of the sellers of the extremely underpriced call options that triggered the insane volatility in the first place. There are only a tiny number of companies responsible, possibly as few as one Robin
247.
by dmw_ng 6y ago
Looks like it's slightly more abstract than LMDB, in LMDB you're given sub-databases on which to implement your own index, this sounds like it handle some of the boilerplate as part of the framework. The mention of support for sch
248.
by dmw_ng 6y ago
Another cheap trick if the time column is sequential is to split the string into date and time components, cache the date part and calculate the time part just with some multiplication Major caveat is timezone handling, but this only applie
249.
by dmw_ng 6y ago
There are higher frequency indicators capturing essentially the same dynamic derived from securities lending agents (e.g. borrow rate, availability) and option markets (estimated from end of day open interest)
250.
by dmw_ng 6y ago
Reminds me of an infuriating old bug in VirtualBox where it wouldn't notice the size of a file had changed. Devs were working in some Windows editor then using Git within VirtualBox to commit changes, resulting in inexplicable trailing
251.
by dmw_ng 6y ago
BigQuery: #standardSQL SELECT EXTRACT(HOUR FROM timestamp) hour, COUNT(*) AS num_downloads FROM `the-psf.pypi.file_downloads` WHERE DATE(timestamp) BETWEEN DATE_SUB(CURRENT_DATE(), INTERVAL 30 DAY) AND CURR
252.
by dmw_ng 6y ago
Going by https://www.python.org/psf/annual-report/2020/ , 75% are running the annual conference, 12.6% grants open to _anyone_, and 3.8% maintaining a central registry primarily staffed by volunteers, and I i
253.
by dmw_ng 6y ago
The level of confusion among sophisticated users regarding ibkr's fee structure tells you how suitable transparent commissions are for most folk "What do you mean I can't know how much I'll be charged until after I'
254.
by dmw_ng 6y ago
The vast majority of bids entered into the opening and closing crosses occur as close to the submission deadline as physically possible. It's just another speed game, as with almost everything else
255.
by dmw_ng 6y ago
You probably have some conditioning that discourages use of '-9', but that's generally totally fine to use with zstd in terms of speed. I've been a zstd convert for a few years now and haven't settled on any particu
256.
by dmw_ng 6y ago
The new search box is hilariously slow. Let me guess, another Angular monstrosity?
257.
by dmw_ng 6y ago
Cousins not twins.. io_uring with O_DIRECT to a block device is already architecturally equivalent to netmap with a network device. Its kernel-side internals have been kept sufficiently generic that we might eventually even see functional e
258.
by dmw_ng 6y ago
BPF and io_uring architectural styles both have heritage in and close equivalents at least on BSD. You could consider io_uring as nothing but a slightly fancier cousin of FreeBSD's netmap that exists for exactly the same reason, they j
259.
by dmw_ng 6y ago
io_uring is no more specialized than an SSD is today, our storage interfaces went from handling between 1 and 4 requests in parallel for the past 50 years to suddenly handling literally hundreds on consumer grade hardware (IIRC NVMe is spec
260.
by dmw_ng 6y ago
Will be interesting to see how they build their management fee in, what realized fees look like, how units are valued and whether that price can be independently verified. Clearly the aim is to dress this up to feel like exchange trading, b
261.
by dmw_ng 6y ago
For better or worse, Larabel does a great job of adding excitement to otherwise fairly humdrum activity. On the whole I think he's a major net benefit to free software, few people cover the goings on in random backwater mailing lists i
262.
by dmw_ng 6y ago
Hopper hits a beautiful sweet spot for casual disassembly, I find it way easier to pick up again after 6 months than Ghidra or IDA. That said Ghidra's decompiler is freaking awesome, the only thing it seems to choke on are monster-size
263.
by dmw_ng 6y ago
There is a much better reference somewhere (possibly from Ingres times, or later), but here is Stonebraker describing how PostgreSQL ended up with connection-per-process in 1986: > DBMS code must run as a sparate process from the applica
264.
by dmw_ng 6y ago
Regarding 2), code like "for row in pandas.DataFrame(...).iterrows():" where the DataFrame was populated by some array-based reader is creating an indirection. Most good pandas code of course doesn't look like this, but it&#x
265.
by dmw_ng 6y ago
There is a ton of conflation in this post, yesterdays post, and the comments. * Comparing parallel implementations (Julia) to single thread (Python csv module). This is still quite relevant because in places like Python, it is impossible to
266.
by dmw_ng 6y ago
The parser from the article's performance is closer to 360mb/sec, the 2gb/sec is only achieved by over-allocating an incredible amount of hardware. CSV parsing is such a simple problem there is no reason to waste a whole mach
267.
by dmw_ng 6y ago
To an engineer, nothing. These acquisitions are part of a coming war over hybrid/on-prem dominance. Corporate VMware installations usually don't mean just a few instances, but entire buildings. If you think of the mobile phone lan
268.
by dmw_ng 6y ago
It's the same as infrastructure and server side.. from my corner I see a limited horizon over which little exists and only a few things over there might use Windows. Think of any industry: the first for whatever reason that came to min
269.
by dmw_ng 6y ago
You don't see it on HN much but the Windows world is still massive, and there are still plenty of ASP.NET folk around. I'd suppose you only have to take half a footstep outside the "pure Internet services" sphere to star
270.
by dmw_ng 6y ago
The bottom line is they optimize installation time by amortizing it out over the runtime life of the package, or in other words, optimizing a one time 15 second process to be a 14 second process, in return for making a many-times 1 second p

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