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flask    音标拼音: [fl'æsk]
n. 细颈瓶,烧瓶,小水瓶

细颈瓶,烧瓶,小水瓶

flask
n 1: bottle that has a narrow neck
2: the quantity a flask will hold [synonym: {flask}, {flaskful}]

Flask \Flask\ (fl[a^]sk or fl[.a]sk), n. [AS. flasce, flaxe;
akin to D. flesch, OHG. flasca, G. flasche, Icel. & Sw.
flaska, Dan. flaske, OF. flasche, LL. flasca, flasco; of
uncertain origin; cf. L. vasculum, dim. of vas a vessel, Gr.
fla`skh, fla`skwn, fla`skion. Cf. {Flagon}, {Flasket}.]
1. A small bottle-shaped vessel for holding fluids; as, a
flask of oil or wine.
[1913 Webster]

2. A narrow-necked vessel of metal or glass, used for various
purposes; as of sheet metal, to carry gunpowder in; or of
wrought iron, to contain quicksilver; or of glass, to heat
water in, etc.
[1913 Webster]

3. A bed in a gun carriage. [Obs.] --Bailey.
[1913 Webster]

4. (Founding) The wooden or iron frame which holds the sand,
etc., forming the mold used in a foundry; it consists of
two or more parts; viz., the cope or top; sometimes, the
cheeks, or middle part; and the drag, or bottom part. When
there are one or more cheeks, the flask is called a three
part flask, four part flask, etc.
[1913 Webster]

{Erlenmeyer flask}, a thin glass flask, flat-bottomed and
cone-shaped to allow of safely shaking its contents
laterally without danger of spilling; -- so called from
Erlenmeyer, a German chemist who invented it.

{Florence flask}. [From Florence in Italy.]
(a) Same as {Betty}, n., 3.
(b) A glass flask, round or pear-shaped, with round or
flat bottom, and usually very thin to allow of heating
solutions.

{Pocket flask}, a kind of pocket dram bottle, often covered
with metal or leather to protect it from breaking.
[1913 Webster]

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  • Welcome to Flask — Flask Documentation (3. 1. x)
    Flask provides configuration and conventions, with sensible defaults, to get started This section of the documentation explains the different parts of the Flask framework and how they can be used, customized, and extended
  • Installation — Flask Documentation (3. 1. x)
    Installation Python Version ¶ We recommend using the latest version of Python Flask supports Python 3 9 and newer Dependencies ¶ These distributions will be installed automatically when installing Flask Werkzeug implements WSGI, the standard Python interface between applications and servers Jinja is a template language that renders the pages your application serves MarkupSafe comes with
  • Quickstart — Flask Documentation (3. 1. x)
    Flask provides a really simple way to give feedback to a user with the flashing system The flashing system basically makes it possible to record a message at the end of a request and access it on the next (and only the next) request
  • API — Flask Documentation (3. 1. x)
    API ¶ This part of the documentation covers all the interfaces of Flask For parts where Flask depends on external libraries, we document the most important right here and provide links to the canonical documentation Application Object ¶ class flask Flask(import_name, static_url_path=None, static_folder='static', static_host=None, host_matching=False, subdomain_matching=False, template
  • Tutorial — Flask Documentation (3. 1. x)
    The tutorial only uses what’s provided by Flask and Python In another project, you might decide to use Extensions or other libraries to make some tasks simpler Flask is flexible It doesn’t require you to use any particular project or code layout However, when first starting, it’s helpful to use a more structured approach
  • Project Layout — Flask Documentation (3. 1. x)
    from flask import Flask app = Flask(__name__) @app route(' ') def hello(): return 'Hello, World!' However, as a project gets bigger, it becomes overwhelming to keep all the code in one file Python projects use packages to organize code into multiple modules that can be imported where needed, and the tutorial will do this as well
  • Testing Flask Applications — Flask Documentation (3. 1. x)
    Testing Flask Applications ¶ Flask provides utilities for testing an application This documentation goes over techniques for working with different parts of the application in tests We will use the pytest framework to set up and run our tests
  • Changes — Flask Documentation (3. 1. x)
    Flask and Blueprint now provide a get_send_file_max_age hook for subclasses to override behavior of serving static files from Flask when using Flask send_static_file (used for the default static file handler) and helpers send_file This hook is provided a filename, which for example allows changing cache controls by file extension
  • Uploading Files — Flask Documentation (3. 1. x)
    Uploading Files ¶ Ah yes, the good old problem of file uploads The basic idea of file uploads is actually quite simple It basically works like this: A <form> tag is marked with enctype=multipart form-data and an <input type=file> is placed in that form The application accesses the file from the files dictionary on the request object use the save() method of the file to save the file





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