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Accessing an SQLite Database in Swift
...It provides an easy way to execute 'changes' (e.g. INSERT, UPDATE, DELETE, etc.):
if let err = SD.executeChange("INSERT INTO Cities (Name, Population, IsWarm, FoundedIn) VALUES ('Toronto', 2615060, 0, '1793-08-27')") {
//there was an error during the insert, handle it here
} else {
//no err...
What's the difference between Sender, From and Return-Path?
...r SMTP when a message is submitted, the SMTP envelope (sender, recipients, etc.) is different from the actual data of the message.
The Sender header is used to identify in the message who submitted it. This is usually the same as the From header, which is who the message is from. However, it ca...
In git, is there a way to show untracked stashed files without applying the stash?
...rge commit for each stash, which can be referenced as stash@{0}, stash@{1} etc. The first parent of this commit is the HEAD at the time of the stash, the second parent contains the changes to tracked files, and the third (which may not exist) the changes to untracked files.
This is partly explained...
How to get the text node of an element?
... within an element node that you want to target (the first, second, third, etc...).
– Anthony Rutledge
May 15 '18 at 8:49
...
How do I include a JavaScript file in another JavaScript file?
...odel. Using eval also opens the door to bugs, hacks and security issues.
Fetch Loading
Like Dynamic Imports you can load one or many scripts with a fetch call using promises to control order of execution for script dependencies using the Fetch Inject library:
fetchInject([
'https://cdn.jsdelivr...
C state-machine design [closed]
...omething different and set current_state */
break;
/* ... etc ... */
}
}
I would use this when the state machine is simple enough that the function pointer & state transition table approach is overkill. This is often useful for character-by-character or word-by-word parsi...
How to apply a Git patch to a file with a different name and path?
...steps for each patch file.
This will preserve the original commit message etc. without requiring any special git format-patch command or editing the patch files.
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How do you write a migration to rename an ActiveRecord model and its table in Rails?
... add_index :old_table_name, :column_name
end
end
And rename your files etc, manually as other answers here describe.
See: http://api.rubyonrails.org/classes/ActiveRecord/Migration.html
Make sure you can rollback and roll forward after you write this migration. It can get tricky if you get some...
Hg: How to do a rebase like git's rebase
...g history, even cset parentage, but certainly CollapseExtension, HistEdit, etc. violate that. It's totally a matter of personal choice.
– Ry4an Brase
Apr 20 '10 at 13:46
15
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What are the differences between Clojure, Scheme/Racket and Common Lisp?
...sp), Scheme has some modern implementations (Racket, Chicken, Chez Scheme, etc.), and Clojure was created relatively recently
Common Lisp has a built-in OO system, though it's quite different from other OO systems you might have used. Notably, it is not enforced--you don't have to write OO code.
The...