Or ATTACH DATABASE file::memory:

De Transcription | Bibliothèque patrimoniale numérique Mines ParisTech
Révision datée du 20 octobre 2025 à 04:07 par LuannTejeda2885 (discussion | contributions) (Page créée avec « <br>An SQLite database is normally saved in a single strange disk file. Nevertheless, in certain circumstances, the [https://www.search.com/web?q=database database] is per... »)
(diff) ← Version précédente | Voir la version actuelle (diff) | Version suivante → (diff)
Aller à : navigation, rechercher


An SQLite database is normally saved in a single strange disk file. Nevertheless, in certain circumstances, the database is perhaps saved in memory. The commonest strategy to force an SQLite database to exist purely in memory is to open the database utilizing the particular filename ":memory:". 2() functions, move in the string ":memory:". When this is completed, no disk file is opened. As a substitute, a brand new database is created purely in Memory Wave. The database ceases to exist as soon as the database connection is closed. Every :memory: database is distinct from every other. So, opening two database connections every with the filename ":memory:" will create two impartial in-memory databases. The particular filename ":Memory Wave Audio:" can be used anyplace that a database filename is permitted. Observe that in order for the special ":memory:" title to use and to create a pure in-memory database, there have to be no additional textual content within the filename. Thus, a disk-primarily based database will be created in a file by prepending a pathname, like this: "./:memory:".



The special ":memory:" filename additionally works when utilizing URI filenames. In-memory databases are allowed to make use of shared cache if they're opened utilizing a URI filename. If the unadorned ":memory:" title is used to specify the in-memory database, then that database at all times has a non-public cache and is simply seen to the database connection that originally opened it. Or, ATTACH DATABASE 'file::memory:? This allows separate database connections to share the same in-memory database. In fact, all database connections sharing the in-memory database must be in the same course of. The database is routinely deleted and memory is reclaimed when the final connection to the database closes. Or, ATTACH DATABASE 'file:memdb1? When an in-memory database is named in this manner, it is going to only share its cache with one other connection that makes use of exactly the same name. ATTACH is an empty string, then a new momentary file is created to carry the database. A distinct momentary file is created every time in order that, simply as with the particular ":memory:" string, two database connections to short-term databases each have their own non-public database. Momentary databases are robotically deleted when the connection that created them closes. Even though a disk file is allotted for every non permanent database, in apply the momentary database usually resides within the in-memory pager cache and therefore there's very little difference between a pure in-memory database created by ":memory:" and a brief database created by an empty filename. The only difference is that a ":memory:" database should stay in memory always whereas parts of a brief database may be flushed to disk if the database turns into massive or if SQLite comes below memory strain. The earlier paragraphs describe the conduct of non permanent databases under the default SQLite configuration. Store compile-time parameter to force temporary databases to behave as pure in-memory databases, if desired.



Wait a minute: Disney owns each the Indiana Jones franchise and Marvel … Indiana Jones is part of the Marvel Cinematic Universe! In the same scene where the Purple Skull makes an Indy reference, there’s a trace of what’s to are available in Thor: Ragnarok. The Tesseract is kept in a wall sculpture of Yggdrasil, "the world tree," whereas the serpent is known as Jormungandr. Whereas fleeing the Hydra fortress in The primary Avenger, the Pink Skull’s proper-hand man Dr. Arnim Zola could be seen quickly stuffing recordsdata right into a briefcase. In case you look closely, you’ll discover that one of these information is actually a blueprint for Memory Wave the robotic physique the character inhabits in the comics. However that’s not the one reference to Robo Zola … When Dr. Arnim Zola is first launched in The primary Avenger, his face is distorted by a lens or screen of some sort. This is definitely a reference to the character in the comics, as his thoughts inhabits a robot physique, together with his face displayed on a display on the robot’s torso.



Whereas we don’t get to see Zola in all his robotic glory within the sequel, The Winter Soldier, Memory Wave Audio having his consciousness inside a computer is a pretty good payoff to this neat Easter egg. Though this scene doesn’t come from a Captain America movie, it very effectively may have been worked into The primary Avenger. On the home video release of The Unbelievable Hulk, there’s an alternate beginning that shows Bruce Banner walking by a snowy panorama. Ultimately, an avalanche is triggered and whereas the snow falls towards the camera, you'll be able to simply make out Captain America’s frozen body buried within the ice. It’s very robust to identify, as it’s only there for a break up-second, however it’s a cool detail that makes reference to a film that wouldn’t come out for 3 years after The Incredible Hulk’s release. The top dynamics of best buds Steve Rogers (Chris Evans) and Bucky Barnes (Sebastian Stan) in The primary Avenger are slightly fascinating.