library | A comprehensive Domain-Driven Design example with problem space strategic analysis and various tacti | Functional Programming library
kandi X-RAY | library Summary
kandi X-RAY | library Summary
A public library allows patrons to place books on hold at its various library branches. Available books can be placed on hold only by one patron at any given point in time. Books are either circulating or restricted, and can have retrieval or usage fees. A restricted book can only be held by a researcher patron. A regular patron is limited to five holds at any given moment, while a researcher patron is allowed an unlimited number of holds. An open-ended book hold is active until the patron checks out the book, at which time it is completed. A closed-ended book hold that is not completed within a fixed number of days after it was requested will expire. This check is done at the beginning of a day by taking a look at daily sheet with expiring holds. Only a researcher patron can request an open-ended hold duration. Any patron with more than two overdue checkouts at a library branch will get a rejection if trying a hold at that same library branch. A book can be checked out for up to 60 days. Check for overdue checkouts is done by taking a look at daily sheet with overdue checkouts. Patron interacts with his/her current holds, checkouts, etc. by taking a look at patron profile. Patron profile looks like a daily sheet, but the information there is limited to one patron and is not necessarily daily. Currently a patron can see current holds (not canceled nor expired) and current checkouts (including overdue). Also, he/she is able to hold a book and cancel a hold. How actually a patron knows which books are there to lend? Library has its catalogue of books where books are added together with their specific instances. A specific book instance of a book can be added only if there is book with matching ISBN already in the catalogue. Book must have non-empty title and price. At the time of adding an instance we decide whether it will be Circulating or Restricted. This enables us to have book with same ISBN as circulated and restricted at the same time (for instance, there is a book signed by the author that we want to keep as Restricted).
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Top functions reviewed by kandi - BETA
- Handle next event
- Handle a book placed on hold
- Removes the Holder if present
- Removes duplicate checkout if present
- Fetches the current roster profile
- Finds the current checkouts for a given follower
- Publishes BookHoldCanceCanceCanceled events
- Publish events to the hub
- Reports a duplicate holder found event
- Checks if a given player is a impersonated with the given id
- An entry point
- Cancels a book
- Publish placed on events
- Finds all checkouts of a given robot
- Checks in a book
- Cancels a single hold
- Check out a book
- Fetches hold for all holders
- The main interface
- Add a Book
- Implements the given Book
- Publish all events
- Publishes a new roster event
- Saves a new book instance to the database
- Creates a new replica
- Place a holder in place
library Key Features
library Examples and Code Snippets
Lines of Code : 13
License : No License
Copy// bad
isNaN('1.2'); // false
isNaN('1.2.3'); // true
// good
Number.isNaN('1.2.3'); // false
Number.isNaN(Number('1.2.3')); // true
// bad
isFinite('2e3'); // true
// good
Number.isFinite('2e3'); // false
Number.isFinite(parseInt('2e3', 10)); // def load_function_def_library(library,
saved_object_graph=None,
load_shared_name_suffix=None,
wrapper_function=None):
"""Load a set of functions as concrete f def load_delegate(library, options=None):
"""Returns loaded Delegate object.
Example usage:
```
import tensorflow as tf
try:
delegate = tf.lite.experimental.load_delegate('delegate.so')
except ValueError:
// Fallback to CPU
def load_pluggable_device_library(library_location):
"""Loads a TensorFlow PluggableDevice plugin.
"library_location" can be a path to a specific shared object, or a folder.
If it is a folder, all shared objects will be loaded. when the librar Community Discussions
Trending Discussions on library
QUESTION
I found ways to check with python using library win32com for outlook the following attributes for any given email.
...ANSWER
Answered 2021-Jun-16 at 03:53- Use
MailItem.Recipientscollection. - See #1 and check for each recipient's
Recipient.Typeproperty equalolCC( =2) - Of course - set the
MailItem.Categpriesproperty. Don't forget to callMailItem.Save - Use the
MailItem.SenderEmailAddress. For the sent on behalf of address, read thePR_SENT_REPRESENTING_EMAIL_ADDRESSMAPI property. Access it usingMailItem.PropertyAccessor.GetProperty("http://schemas.microsoft.com/mapi/proptag/0x0065001F")
In general, take a look at various Outlook object using OutlookSpy to familiarize yourself with the Outlook Object Model.
Also keep in mind that to access a subfolder of the Inbox folder, it is better to use something like
QUESTION
I was following along with this tutorial on creating a concurrent counter struct for a usize value: ConcurrentCounter. As I understand it, this wrapper struct allows us to mutate our usize value, with more concise syntax, for example:my_counter.increment(1) vs. my_counter.lock().unwrap().increment(1).
Now in this tutorial our value is of type usize, but what if we wanted to use a f32, i32, or u32 value instead?
I thought that I could do this with generic type arguments:
...ANSWER
Answered 2021-Jun-15 at 23:55I haven't come across such a ConcurrentCounter library, but crates.io is huge, maybe you find something. However, if you are mostly concerned with primitives such as i32, there is a better alternative call: Atomics, definitely worth checking out.
Nevertheless, your approach of generalizing the ConcurrentCounter is going in a good direction. In the context of operation overloading, std::ops is worth a look. Specifically, you need Add, Sub, and Mul, respectively. Also, you need a Copy bound (alternatively, a Clone would also do). So you were pretty close:
QUESTION
In part of my application I have an option that displays a list of albums by the current artist that aren't in the music library. To get this I call a music API to get the list of all albums by that artist and then I remove the albums that are in the current library.
To cope with the different casing of names and the possibility of missing (or extra punctuation) in the title I have written an IEqualityComparer to use in the .Except call:
ANSWER
Answered 2021-Jun-15 at 23:05If you're going to use the CompareOptions enum, I feel like you might as well use it with the CompareInfo class that it's documented as being designed for:
Defines the string comparison options to use with CompareInfo.
Then you can just use the GetHashCode(string, CompareOptions) method from that class (and even the Compare(string, string, CompareOptions) method if you like).
QUESTION
I have this code which prints multiple tables
...ANSWER
Answered 2021-Jun-15 at 20:59So, this is a good opportunity to use purrr::map. You are half way there by applying code to one dataframe.
You can take the code that you have written above and put it into a function.
QUESTION
I am working on a parking data app using Streamlit library in python 3.7, I want to display the availability of parking spots using custom JavaScript for visualization. Is it possible to display HTML/javascript elements in streamlit web app
...ANSWER
Answered 2021-Jun-15 at 22:05Digging in Google I found:
You can add HTML using
QUESTION
I'm working on a TUI (Text User Interface) library for C++, and I have a function for detecting the size of the console window. Is it possible for me to detect a window resize? I would prefer if it would work with any terminal emulator, but if it matters I am using Ubuntu Budgie 20.10, and my terminal emulator is Tilix.
...ANSWER
Answered 2021-Apr-25 at 23:23You can set up a signal handler for the SIGWINCH signal, and you will get this signal whenever the terminal size changes. Note that, as with all signal handlers, any code in the signal handler must be signal-safe.
If you are using the curses library, you will get a KEY_RESIZE key, and then check COLS and LINES.
QUESTION
I am trying to convert a String into proper JSON notation. This string, got some correct indexes (with [idx]), and some incorrect indexes (with dot notation .idx. with these last ones starting by 1, instead of by 0). Is there anyway to "handle" captured groups using python re library or similar?
This is what I have:
...ANSWER
Answered 2021-Apr-12 at 07:05The replacer argument of re.sub can be a function and that function gets passed the match object upon which you can perform operations:
QUESTION
I'm trying to use BS4 to parse through the HTML for an about page on a youtube channel so I can scrape the number of channel views. Below is the code to scrape the channel views (located in the 'yt-formatted-string') and also the whole right column of the page. Both lines of code return either an empty list and a "None" value for the findAll() and find() functions, respectively.
I read another thread saying I may be receiving an empty list or "None" value because the page is accessing an API to get the total channel views to count and the values aren't actually in the HTML I'm parsing.
I know I could access much of this info through the Youtube API, but I want to iterate this code over multiple channels that are not my own. Moreover, I want to understand how to use BS4 to its full extent so I can replicate this process on an Instagram page or Facebook page.
Should I be using a different library that isn't BS4? Is what I'm looking to accomplish even possible?
My CODE
...ANSWER
Answered 2021-Jun-15 at 20:43YouTube is loaded dynamically, therefore urlib won't support it.
However, the data is available in JSON format on the website. You can convert this data to a Python dictionary (dict) using the built-in json library.
This example is using the URL you have provided: https://www.youtube.com/c/Rozziofficial/about, you can change the channel name, it will work for all channels.
Here's an example using requests, you can use urlib instead:
QUESTION
[Edit: apparently this file looks similar to h5 format] I am trying to extract metadata from a file with extension of (.dm3) using hyperspy in Python, I am able to get all the data but it's getting saved in a treeview, but I need the data in Json I tried to make my own parser to convert it which worked for most cases but then failed:
Is there a library or package I can use to convert the treeview to JSON in pyhton?
My parser:
...ANSWER
Answered 2021-Jun-15 at 20:08I wrote a parser for the tree-view format:
QUESTION
I am using a method to remove univariate outliers. This method only works if the vector contains outliers.
How is it possible to generalize this method to work also with vectors without outliers. I tried with ifelse without success.
ANSWER
Answered 2021-Jun-15 at 19:58Negate (!) instead of using - which would work even when there are no outliers
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You can build a jar with maven like so:.
If you've already built the jar file you can run:.
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