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How can you find the height of text on an HTML canvas?
The spec has a context.measureText(text) function that will tell you how much width it would require to print that text, but I can't find a way to find out how tall it is. I know it's based on the font, but I don't know to convert a font string to a text height.
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Get the _id of inserted document in Mongo database in NodeJS
... console.log(result.insertedId);
})
.catch(err => {
// handle error
});
It's the same thing if you use callbacks.
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Restoring MySQL database from physical files
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Got a #1932 Error, unable to access data. The databases appear, but the data is not accessible. Running XAMPP 7.2.12 on MAC OS X Mojave.
– Steve1754a
Dec 9 '18 at 16:16
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A migration to add unique constraint to a combination of columns
... unique: true
Trying to create two similar records will throw a database error (Postgres in my case):
ActiveRecord::RecordNotUnique: PG::UniqueViolation: ERROR: duplicate key value violates unique constraint "index_ownerships_on_user_id_and_post_id"
DETAIL: Key (user_id, post_id)=(1, 1) already...
How can I default a parameter to Guid.Empty in C#?
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Explanation
Why didn't Guid.Empty work?
The reason you are getting the error is because Empty is defined as:
public static readonly Guid Empty;
So, it is a variable, not a constant (defined as static readonly not as const). Compiler can only have compiler-known values as method parameters def...
How can I disable HREF if onclick is executed?
...tn-loading is added to the clicked link, then if successful a checkmark(on error an X) replaces the loading animation. I don't want the button to be able to be clicked again in some instances(for both success and error), using this I can simply $(elemnent).addClass('disabled') and easily achieve the...
How to define a List bean in Spring?
...ould do this with the util:list but couldn't get it work due to conversion errors.
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Sorting an array of objects in Ruby by object attribute?
...at kind of object is @created_at? Does it define <=>? What kind of errors are you getting? etc, etc, ad nauseum. In other words, we need more detail than "but no luck for me".
– rampion
May 20 '09 at 13:19
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AngularJS with Django - Conflicting template tags
...idWidgets.visible()))
with Firefox (10.0.2) on Mac I got a terribly long error instead of the intended logic. <[]> went well for me, at least up until now.
Edit 2012-03-29:
Please note that $invalidWidgets is deprecated. However I'd still use another wrapper than double braces. For any angu...
Cross compile Go on OSX?
...arted by trying to do: $ GOARCH=386 GOOS=linux go build app.go and getting error # runtime /usr/local/go/src/pkg/runtime/extern.go:137: undefined: theGoos /usr/local/go/src/pkg/runtime/extern.go:137: cannot use theGoos as type string in const initializer
– ljgww
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