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When should TaskCompletionSource be used?
...personally have several issues with the NetworkStream class and prefer the raw Socket. Being that I also love the async/await pattern, I made an extension class SocketExtender which creates several extension methods for Socket.
All of these methods make use of TaskCompletionSource<T> to wrap ...
How to 'bulk update' with Django?
I'd like to update a table with Django - something like this in raw SQL:
5 Answers
5
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jQuery vs document.querySelectorAll
... +1 Excellent answer! I've been slowly replacing old jQuery code with raw JavaScript over the past 4 or 5 years wherever and whenever possible.. Of course, jQuery is great for some things and I use it for those things when I feel I get a solid benefit.
– Yes Barry
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What text editor is available in Heroku bash shell? [closed]
... dyno, just run
mkdir /app/nano
curl https://github.com/Ehryk/heroku-nano/raw/master/heroku-nano-2.5.1/nano.tar.gz --location --silent | tar xz -C /app/nano
export PATH=$PATH:/app/nano
This will download a copy of nano from this plugin and put it in your PATH.
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How to run a program without an operating system?
...ters one by one.
The important link flags are:
--oformat binary: output raw binary assembly code, don't wrap it inside an ELF file as is the case for regular userland executables.
To better understand the linker script part, familiarize yourself with the relocation step of linking: What do linke...
Parsing JSON with Unix tools
... curl -s is equivalent to curl --silent, whereas jq -r means jq --raw-output i.e. without string quotes.
– Serge Stroobandt
Oct 26 '18 at 21:52
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Why does InetAddress.isReachable return false, when I can ping the IP address?
...0) as root, it should return true.
you need proper authorizations for the raw socket, which is used by ICMP (the protocol used by ping)
InetAddress.getByName is as reliable as ping, but you need proper permissions on the process to have it running properly.
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Comments in Markdown
... to be dealt in the same way. Also, the Pandoc user's guide just says "The raw HTML is passed through unchanged in HTML, S5, Slidy, Slideous, DZSlides, EPUB, Markdown, and Textile output, and suppressed in other formats." The triple dashes does not seem to have any higher privilege than the double o...
performSelector may cause a leak because its selector is unknown
.... In Objective-C, developers are able to do this by using C style casts on raw function pointers.
With the introduction of Swift, Apple has documented the performSelector: family of methods as "inherently unsafe" and they are not available to Swift.
Over time, we have seen this progression:
Earl...
Explanation of JSONB introduced by PostgreSQL
...ted" order.
JSONB objects are stored as decompressed binary as opposed to "raw data" in JSON , where no reparsing of data is required during retrieval.
JSONB also supports indexing, which can be a significant advantage.
In general, one should prefer JSONB , unless there are specialized needs, such...