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How to remove the default arrow icon from a dropdown list (select element)?
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How to use Swift @autoclosure
...n expression like 2 > 1, it's automatically wrapped into a closure to become {2 > 1} before it is passed to f. So if we apply this to the function f:
func f(pred: @autoclosure () -> Bool) {
if pred() {
print("It's true")
}
}
f(pred: 2 > 1)
// It's true
So it works wit...
How can I print a circular structure in a JSON-like format?
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Accessing an SQLite Database in Swift
... in: .userDomainMask, appropriateFor: nil, create: true)
.appendingPathComponent("test.sqlite")
// open database
var db: OpaquePointer?
guard sqlite3_open(fileURL.path, &db) == SQLITE_OK else {
print("error opening database")
sqlite3_close(db)
db = nil
return
}
Note, I kn...
Which kind of pointer do I use when?
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Callback to a Fragment from a DialogFragment
...Fragment to another Fragment. In my case, the Activity involved should be completely unaware of the DialogFragment.
13 Ans...
How to design a product table for many kinds of product where each product has many parameters
...n row.
Class Table Inheritance: one table for Products, storing attributes common to all product types. Then one table per product type, storing attributes specific to that product type.
Concrete Table Inheritance: no table for common Products attributes. Instead, one table per product type, stori...
`Apache` `localhost/~username/` not working
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Looks like you need to uncomment the following:
#LoadModule userdir_module libexec/apache2/mod_userdir.so
and
#Include /private/etc/apache2/extra/httpd-userdir.conf
Then in httpd-userdir.conf you may need to uncomment:
#Include /private/etc/ap...
Add a default value to a column through a migration
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