storage | Multi-Factor Least Squares Monte Carlo energy storage

by cmdty C# Version: excel_v0.2.0 License: MIT

X-Ray Key Features Code Snippets(6)Community Discussions(10)Vulnerabilities Install Support

kandi X-RAY | storage Summary

storage is a C# library. storage has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

A collection of models for the valuation and optimisation of commodity storage, either virtual or physical. The models can be used for any commodity, although are most suitable for natural gas storage valuation and optimisation.

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Quality

Security

License

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Support

storage has a low active ecosystem.

It has 43 star(s) with 25 fork(s). There are 7 watchers for this library.

It had no major release in the last 12 months.

There are 7 open issues and 13 have been closed. On average issues are closed in 254 days. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of storage is excel_v0.2.0

Quality

storage has 0 bugs and 0 code smells.

Security

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

storage code analysis shows 0 unresolved vulnerabilities.

There are 0 security hotspots that need review.

License

storage is licensed under the MIT License. This license is Permissive.

Permissive licenses have the least restrictions, and you can use them in most projects.

Reuse

storage releases are available to install and integrate.

Installation instructions are not available. Examples and code snippets are available.

It has 2730 lines of code, 197 functions and 119 files.

It has high code complexity. Code complexity directly impacts maintainability of the code.

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storage Key Features

No Key Features are available at this moment for storage.

storage Examples and Code Snippets

Cmdty Storage,Using the C# API,Calculating Optimal Storage Value

Lines of Code : 123

License : Permissive (MIT)

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var currentPeriod = new Day(2019, 9, 15);
const double lowerForwardPrice = 56.6;
const double forwardSpread = 87.81;
double higherForwardPrice = lowerForwardPrice + forwardSpread;

var forwardCurveBuilder = new TimeSeries.Builder();

foreach (var day

Cmdty Storage,Using the C# API,Creating the Storage Object

Lines of Code : 56

License : Permissive (MIT)

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const double constantMaxInjectRate = 5.26;
const double constantMaxWithdrawRate = 14.74;
const double constantMaxInventory = 1100.74;
const double constantMinInventory = 0.0;
const double constantInjectionCost = 0.48;
const double constantWithdrawalC

Cmdty Storage,Using the Python API,Storage Optimisation Using LSMC

Lines of Code : 42

License : Permissive (MIT)

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from cmdty_storage import three_factor_seasonal_value

# Creating the Inputs
monthly_index = pd.period_range(start='2021-04-25', periods=25, freq='M')
monthly_fwd_prices = [16.61, 15.68, 15.42, 15.31, 15.27, 15.13, 15.96, 17.22, 17.32, 17.66,

Drop a blob to the storage

java

Lines of Code : 26

License : Non-SPDX

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public void dropToPersistantStorage(Message message, Logger logger) {
    try {

      // Get message reference
      MessageReference messageReference = (MessageReference) message.getMessageHeader().getData();

      // Create a unique name for the

Remove a slice from the storage .

python

Lines of Code : 6

License : Non-SPDX (Apache License 2.0)

Copy

def __delslice__(self, i, j):
    self._check_external_modification()
    if self._has_mutation_or_trackable():
      self._non_append_mutation = True
    del self._storage[slice(i, j)]
    self._update_snapshot()

Construct an ObjectIdentitySet from a storage .

python

Lines of Code : 4

License : Non-SPDX (Apache License 2.0)

Copy

def _from_storage(storage):
    result = ObjectIdentitySet()
    result._storage = storage  # pylint: disable=protected-access
    return result

Community Discussions

Trending Discussions on storage

Why is std::aligned_storage to be deprecated in C++23 and what to use instead?

`Firebase` package was successfully found. However, this package itself specifies a `main` module field that could not be resolved

After upgrading from Angular 12 to 13, cache is too large for Github

android:exported added but still getting error Apps targeting Android 12 and higher are required to specify an explicit value for android:exported

How to fix: "@angular/fire"' has no exported member 'AngularFireModule'.ts(2305) ionic, firebase, angular

How to solve FirebaseError: Expected first argument to collection() to be a CollectionReference, a DocumentReference or FirebaseFirestore problem?

How is optional assignment constexpr in C++ 20?

No analytics cookies is set upon a consent was updated

Do not nest files in rails active storage

What should happen if one calls `std::exit` in a global object's destructor?

QUESTION

Why is std::aligned_storage to be deprecated in C++23 and what to use instead?

Asked 2022-Apr-11 at 14:18

I just saw that C++23 plans to deprecate both std::aligned_storage and std::aligned_storage_t as well as std::aligned_union and std::aligned_union_t.

Placement new'd objects in aligned storage are not particularly constexpr friendly as far as I understand, but that doesn't appear to be a good reason to throw out the type completely. This leads me to assume that there is some other fundamental problem with using std::aligned_storage and friends that I am not aware of. What would that be?

And is there a proposed alternative to these types?

...

ANSWER

Answered 2022-Apr-11 at 14:18

Here are three excerpts from P1413R3:

Background
aligned_* are harmful to codebases and should not be used. At a high level:

Using aligned_* invokes undefined behavior (The types cannot provide storage.)

The guarantees are incorrect (The standard only requires that the type be at least as large as requested but does not put an upper bound on the size.)

The API is wrong for a plethora of reasons (See "On the API".)

Because the API is wrong, almost all usage involves the same repeated pre-work (See "Existing usage".)

On the API
std::aligned_* suffer from many poor API design decisions. Some of these are shared, and some are specific to each. As for what is shared, there are three main problems [only one is included here for brevity]:

Using reinterpret_cast is required to access the value

There is no .data() or even .data on std::aligned_* instances. Instead, the API requires you to take the address of the object, call reinterpret_cast(...) with it, and then finally indirect the resulting pointer giving you a T&. Not only does this mean that it cannot be used in constexpr, but at runtime it's much easier to accidentally invoke undefined behavior. reinterpret_cast being a requirement for use of an API is unacceptable.

Suggested replacement
The easiest replacement for aligned_* is actually not a library feature. Instead, users should use a properly-aligned array of std::byte, potentially with a call to std::max(std::initializer_list) . These can be found in the and headers, respectively (with examples at the end of this section). Unfortunately, this replacement is not ideal. To access the value of aligned_*, users must call reinterpret_cast on the address to read the bytes as T instances. Using a byte array as a replacement does not avoid this problem. That said, it's important to recognize that continuing to use reinterpret_cast where it already exists is not nearly as bad as newly introducing it where it was previously not present. ...

The above section from the accepted proposal to retire aligned_* is then followed with a number of examples, like these two replacement suggestions:

Source https://stackoverflow.com/questions/71828288

QUESTION

`Firebase` package was successfully found. However, this package itself specifies a `main` module field that could not be resolved

Asked 2022-Apr-02 at 17:19

I'm trying to read and write to firestore, use firebase's authentication, and firebase's storage within a expo managed react-native application.

Full Error:

...

ANSWER

Answered 2021-Nov-03 at 05:52

To reduce the size of the app, firebase SDK (v9.0.0) became modular. You can no longer do the import statement like before on v8.

You have two options.

Use the backwards compatible way. (it will be later removed):

This:

Source https://stackoverflow.com/questions/69814654

QUESTION

After upgrading from Angular 12 to 13, cache is too large for Github

Asked 2022-Mar-28 at 18:10

I recently upgraded all of my dependencies in package.json to the latest. I went from Angular 12.2.0 to 13.0.1 and github is now rejecting my push with the following file size error. Is there some setting I need to define in angular.json build profile that will help minimize these cache file sizes?

...

ANSWER

Answered 2021-Nov-24 at 16:53

Make sure your .gitignore is in the parent folder of .angular.
In that .gitignore file, a simple .angular/cache/ should be enough to ignore that subfolder content.

Check it with:

Source https://stackoverflow.com/questions/70088051

QUESTION

android:exported added but still getting error Apps targeting Android 12 and higher are required to specify an explicit value for android:exported

Asked 2022-Mar-24 at 15:30

I have added android:exported="true" to my only activity in manifest but still getting below error after updating compile sdk and target sdk version to 31.I also tried rebuilding the project , invalidating cache and restart but that didn't helped

Error- Apps targeting Android 12 and higher are required to specify an explicit value for android:exported when the corresponding component has an intent filter defined. See https://developer.android.com/guide/topics/manifest/activity-element#exported for details.

AndroidManifest File ...

ANSWER

Answered 2021-Oct-05 at 10:38

After the build has failed go to AndroidManifest.xml and in the bottom click merged manifest see which activities which have intent-filter but don't have exported=true attribute. Or you can just get the activities which are giving error.

Add these activities to your App manifest with android:exported="true" and app tools:node="merge" this will add exported attribute to the activities giving error.

Example:

Source https://stackoverflow.com/questions/69287478

QUESTION

How to fix: "@angular/fire"' has no exported member 'AngularFireModule'.ts(2305) ionic, firebase, angular

Asked 2022-Feb-11 at 07:31

I'm trying to connect my app with a firebase db, but I receive 4 error messages on app.module.ts:

...

ANSWER

Answered 2021-Sep-10 at 12:47

You need to add "compat" like this

Source https://stackoverflow.com/questions/69128608

QUESTION

How to solve FirebaseError: Expected first argument to collection() to be a CollectionReference, a DocumentReference or FirebaseFirestore problem?

Asked 2022-Jan-11 at 15:08

I am trying to set up Firebase with next.js. I am getting this error in the console.

FirebaseError: Expected first argument to collection() to be a CollectionReference, a DocumentReference or FirebaseFirestore

This is one of my custom hook

...

ANSWER

Answered 2022-Jan-07 at 19:07

Using getFirestore from lite library will not work with onSnapshot. You are importing getFirestore from lite version:

Source https://stackoverflow.com/questions/69047904

QUESTION

How is optional assignment constexpr in C++ 20?

Asked 2021-Dec-26 at 03:03

To the internal content of an optional, doesn't the optional require placement new in order to reconstruct the internal in place storage or union? Is there some new feature like placement new in C++ 20 that allows for constexpr assignment of std::optional?

...

ANSWER

Answered 2021-Dec-26 at 03:03

To the internal content of an optional, doesn't the optional require placement new in order to reconstruct the internal in place storage or union?

For assignment, yes it does.

But while we still cannot do actual placement new during constexpr time, we did get a workaround for its absence: std::construct_at (from P0784). This is a very limited form of placement new, but it's enough to get optional assignment working.

The other change was that we also needed to be able to actually change the active member of a union - since it wouldn't matter if we could construct the new object if we couldn't actually switch. That also happened in C++20 (P1330).

Put those together, and you get a functional implementation of optional assignment: P2231. An abbreviated implementation would look like this:

Source https://stackoverflow.com/questions/70383288

QUESTION

No analytics cookies is set upon a consent was updated

Asked 2021-Dec-11 at 17:17

I am using the Google Tag Manager with a single tag referencing a default Google Analytics script. My solution is based on the information from these resources:

The code is simple (commit):

index.html: define gtag() and set denied as a default for all storages

...

ANSWER

Answered 2021-Dec-08 at 10:11

From your screenshot, gtm.js is executed before the update of the consent mode so the pageview continues to be sent to Google Analytics as denied.

The update must take place before gtm.js

Source https://stackoverflow.com/questions/70266113

QUESTION

Do not nest files in rails active storage

Asked 2021-Nov-04 at 20:01

It appears that by default, Rails Active Storage nests your file uploads by means of the associated active_storage_blob key.

The rules appear to be as follows for the default behavior. Within the /storage/ directory:

take the first two characters of the key and make a directory
- within that directory, take the next two characters of the key and make another directory
  - store the file there, and the file name is the entire key

For example: where the key of a particular file's associated active_storage_blob is: 2HadGpe3G4r5ygdgdfh5534346, It would look like the following:

I do not want this nesting behavior. I want to store the files flat within the storage directory. So I simply want it to look like this:

How can I do that? A google search and a read through of the Active Storage Rails Guides didn't reveal a solution.

Also just out of curiosity: why is this the default behavior?

...

ANSWER

Answered 2021-Oct-30 at 13:03

Digging around in the code of the ActiveStorage DiskService, I found the code which generates the folder structure. All is conveniently contained within a single function:

Source https://stackoverflow.com/questions/69776700

QUESTION

What should happen if one calls `std::exit` in a global object's destructor?

Asked 2021-Oct-28 at 07:46

Consider the following code:

...

ANSWER

Answered 2021-Oct-27 at 12:26

[basic.start.main]/4:

If std::exit is called to end a program during the destruction of an object with static or thread storage duration, the program has undefined behavior.

Source https://stackoverflow.com/questions/69737959

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

Vulnerabilities

No vulnerabilities reported

Install storage

You can download it from GitHub.

Support

For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .

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