hindsight | Hindsight - light weight data processing skeleton

by mozilla-services C Version: Current License: MPL-2.0

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kandi X-RAY | hindsight Summary

hindsight is a C library. hindsight has no bugs, it has no vulnerabilities, it has a Weak Copyleft License and it has low support. You can download it from GitHub.

Hindsight is a C based data processing infrastructure based on the lua sandbox project. I have received several inquiries about a lighter weight and faster data pipeline with delivery guarantees to replace Heka. Hindsight is that light weight skeleton around the same lua sandbox offering 'at least once' delivery semantics. The skeleton is supplemented by extension packages including hundreds of data structures, algorithms, plugins, parsers and grammars. The extensions repository is where most of the active development is happening now as the core infrastructure (Hindsight and the Lua Sandbox) is stable and changes infrequently. There is also a Hindsight Administration UI available for monitoring, debugging and plugin management (you can check out a running instance here: hsadmin).

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Quality

Security

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Support

hindsight has a low active ecosystem.

It has 650 star(s) with 61 fork(s). There are 60 watchers for this library.

It had no major release in the last 6 months.

There are 18 open issues and 85 have been closed. On average issues are closed in 83 days. There are 2 open pull requests and 0 closed requests.

It has a neutral sentiment in the developer community.

The latest version of hindsight is current.

Quality

hindsight has no bugs reported.

Security

hindsight has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

hindsight is licensed under the MPL-2.0 License. This license is Weak Copyleft.

Weak Copyleft licenses have some restrictions, but you can use them in commercial projects.

Reuse

hindsight releases are not available. You will need to build from source code and install.

Installation instructions, examples and code snippets are available.

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hindsight Key Features

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hindsight Examples and Code Snippets

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Community Discussions

Trending Discussions on hindsight

transform array and object to customized object

transform a 2 js object 2 1 using reduce

How to salvage an `html { font-size: 62.5%; }` situation, so that when I add new text elements to the page they aren't so tiny by default?

BAT or Powershell For loop through CSV to build a URL

transform a js object into a new object with an other fotm

How can I avoid <> in Haskell?

transform a js object using reduce

Fast sum of digits in a ternary representation (Python)

How to efficiently copy a slice into a Rust VecDeque

How to create a custom R 'property' (e.g. dim())

QUESTION

transform array and object to customized object

Asked 2021-Apr-12 at 12:53

I want to write a function that transfers this objects

...

ANSWER

Answered 2021-Apr-12 at 12:33

First off, your input2 object is not a correct structure. You will need to use square brackets instead of curly braces.

Now, you can reduce each item by splitting the name field and using the first part as the local "name" and the second part as the "action". While reducing, you can build the action list by concatenating using the spread operator on the existing (or new) array. Lastly, take your new object you reduced and extract the values.

Source https://stackoverflow.com/questions/67058265

QUESTION

transform a 2 js object 2 1 using reduce

Asked 2021-Apr-05 at 10:45

I want to write a function that transfers this objects

...

ANSWER

Answered 2021-Apr-04 at 17:57

Your question is rather poorly worded, but what I assume you are trying to do is assign the input1 data to objects inside input2 using the postId. What you're doing is sort of complex and not very straightforward, so it's probably best to just do the operation in a for loop or forEach loop.

Here's a quick and dirty outline of what this would look like:

Source https://stackoverflow.com/questions/66944121

QUESTION

How to salvage an `html { font-size: 62.5%; }` situation, so that when I add new text elements to the page they aren't so tiny by default?

Asked 2021-Apr-03 at 07:25

We have an issue with a site that's been in development for nearly ten years: the default font-size on most new elements is too small for some of the stakeholders to read, comfortably.

That's odd, you might say! Isn't the default font-size: 16px a pretty reasonable size? Can't I just increase the root/body font-size to some reasonable default?

Ay, there's the rub!

Unfortunately this site started off following a fad of setting the root font size to 10 (!) pixels and making not just text but also element/box sizes all relative to that measure! (See CSS 62.5% why do developers use it? or https://benfrain.com/just-use-pixels/ for some retrospective.) So I guess hindsight is 20/20 — now if I simply change the "default" (root) font size, about 89% of my layout will grow with it. Imagine if all your Lego mini-figures suddenly grew to the size of Fisher-Price people… except for a random arm/leg over here that had a fixed size, or the scaling of an eyebrow that was relative to something else over there!

Is there any sort of "escape hatch" — out-of-the box CSS cleverness or some LESS compiler trick — that might let me:

increase the default font-size on my page to something more accessible?

without having to:

manually rework all existing rem/em lengths through a large corpus of LESS styling rules?

...

ANSWER

Answered 2021-Apr-03 at 07:25

I might be being a bit thick here but can't you just fall back to good old "search and replace".

Get a list of sizes used in your project, a quick search for "\d{1,3}\.?\d{0,5}rem" should cover most cases and then just filter the list. (1-3 digits, optional decimal full stop, optional 1-5 digits and then REM).

Search for any sizes in REM first, turning "1.6rem" to "1rem" and "2.4rem" to "1.5rem" etc.

Now you can probably see an issue here, you can't do it in one pass as you would obviously end up with a scenario where you change one value and it then collides in a further search and replace (you change a value from 3.2rem to 2rem and then do a pass to change all the 2rem sizes and inadvertently change larger items as well).

Instead I would set the values 100 times larger than they need to be on the first pass and then reduce them all by 100 after. (so 3.2rem would go to 200rem on the first pass, then 200rem to 2rem on the second pass, obviously if anywhere you do use 100+rem then change this to 2000rem etc.)

Then once you have done all of that just change the root font size from 62.5% to 100%.

That should catch about 95% of issues as if someone is then using em units the base units it is working from should end up the same size.

With this approach I can't see you having to do more than 50 search and replaces across even a gigantic application that uses REM for div sizing etc.

I can't think of any "gotchyas" with this approach, but I am sure there will be some so back up before you do it obviously 😋!

Source https://stackoverflow.com/questions/66926190

QUESTION

BAT or Powershell For loop through CSV to build a URL

Asked 2021-Mar-01 at 15:34

Solved. So my first go at this post was a VERY poorly structured question trying to obfuscate proprietary company information in a very poor manner, and not asking the question well.

Once Walter even got me thinking in the correct direction i worked through the issue. Below was the second issue i was running into and found that the @{key=value} statement was being passed into my url because for some reason my script did not like the header in my csv file. In hindsight, perhaps because i was naming my variable the same as my header. Regardless I worked around it just by using Get-Content rather than Import-CSV.

...

ANSWER

Answered 2021-Mar-01 at 15:34

In Powershell

Source https://stackoverflow.com/questions/66394179

QUESTION

transform a js object into a new object with an other fotm

Asked 2021-Feb-28 at 23:55

I want to write a function that transfers this object

...

ANSWER

Answered 2021-Feb-28 at 23:55

This is a fairly standard 'group by' situation which can be addressed with a reduce() call.

The snippet retrieves the 'subgenders' [sic] from the Object.keys() of the objects in the array filtered by whether they are true or not, checks the accumulator for an existing property otherwise declares one, and then pushes the object into the books array.

Source https://stackoverflow.com/questions/66414902

QUESTION

How can I avoid <> in Haskell?

Asked 2021-Feb-21 at 21:38

The program below results in <> in GHC.

...Obviously. In hindsight.

It happens because walk is computing a fixed point, but there are multiple possible fixed points. When the list comprehension reaches the end of the graph-walk, it "asks" for the next element of answer; but that is exactly what it's already trying to compute. I guess I figured the program would get to the, er, end of the list, and stop.

I have to admit, I'm a bit sentimental about this nice code, and wish I could make it work.

What should I do instead?
How can I predict when "tying the knot" (referring to the value inside the expression that says how to compute the value) is a bad idea?

...

ANSWER

Answered 2021-Feb-21 at 18:28

Here's one idea of how to fix it: well, we need a termination condition, right? So let's keep enough structure to know when we should terminate. Specifically, instead of producing a stream of nodes, we'll produce a stream of frontiers, and stop when the current frontier is empty.

Source https://stackoverflow.com/questions/66304661

QUESTION

transform a js object using reduce

Asked 2021-Feb-21 at 15:35

I want to write a function that transfers this object

...

ANSWER

Answered 2021-Feb-21 at 12:44

let before = [
  {
    "id": "656DDXFT565xX-BW",
    "name": "Black and white item",
    "categories": [
      "Black",
      "White"
    ],
    "price": 5
  },
  {
    "id": "656DDXFT565xX-K",
    "name": "Black item",
    "categories": [
      "Black"
    ],
    "price": 10
  },
  {
    "id": "656DDXFT565xX-W",
    "name": "White item",
    "categories": [
      "White"
    ],
    "price": 15
  }
]

let after = before.reduce(
  (acc, val) => {
    val.categories.forEach(cat => {
      acc[cat] ||= [] 
      // if this fails, use newer version of node, or use
      // if(!acc.cat) acc.cat = []
      
      acc[cat].push(val)
    })
    return acc
  },
  {}
)

console.log(after)

Source https://stackoverflow.com/questions/66302320

QUESTION

Fast sum of digits in a ternary representation (Python)

Asked 2021-Feb-06 at 21:23

I have defined a function

...

ANSWER

Answered 2021-Feb-06 at 21:23

Here's a multiprocessing approach. It'll afford more time savings, the more the problem scales in size

Source https://stackoverflow.com/questions/66070850

QUESTION

How to efficiently copy a slice into a Rust VecDeque

Asked 2021-Jan-19 at 00:52

I'm handling byte input in a streaming fashion like so:

...

ANSWER

Answered 2021-Jan-19 at 00:52

VecDeque implements the Extend trait, allowing you to add all items from an iterator to the collection without performing repeated allocations or checks. With your code, that should look like this:

Source https://stackoverflow.com/questions/65783802

QUESTION

How to create a custom R 'property' (e.g. dim())

Asked 2020-Dec-30 at 22:13

So I basically want to create a 'property' in R which I haven't really found documentation or other SO Q/A explaining how this works.

So an example of what I'm looking for to make a function property with the behavior found in some base R functions (e.g. dim(), names(), attr(), etc...), where you can do property(variable) = value and then have property(variable) == value be true.

I was hoping that this would work:

...

ANSWER

Answered 2020-Dec-30 at 20:56

You may use `attr<-` in your function.

Source https://stackoverflow.com/questions/65513341

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install hindsight

By default hindsight is linked against OpenSSL and configured to set locking callbacks in the library to ensure proper threaded operation. If this functionality is not desired the cmake build option -DWITHOUT_OPENSSL=true can be used to disable this, for example if you are not using any sandboxes/modules that make use of OpenSSL and do not want the dependency.

Support

All pull requests must be made against the dev branch, direct commits to main are not permitted.All non trivial contributions should start with an issue being filed (if it is a new feature please propose your design/approach before doing any work as not all feature requests are accepted).

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