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Case insensitive comparison NSString
...ds, or you could be lazy (like me) and ignore the added cost of creating a new string for each comparison (which is minimal if you're only doing one or two comparisons).
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How to have multiple data-bind attributes on one element?
...iewModel.tasks = ko.observableArray(tsks) then changing viewModel.tasks = [new Array], How to tell knock that array is changed
– user960567
May 22 '12 at 10:35
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How do I sort an observable collection?
... Console.WriteLine("adding items...");
var observable = new ObservableCollection<Person>()
{
new Person {Name = "Katy", Age = 51},
new Person {Name = "Jack", Age = 12},
new Person {Name = "Bob", Age ...
Copy / Put text on the clipboard with FireFox, Safari and Chrome
... focus to a hidden TextArea control and either set its contents to desired new clipboard contents for copy or read its contents after the event had finished for paste.
see also Is it possible to read the clipboard in Firefox, Safari and Chrome using Javascript?
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Why does (“foo” === new String(“foo”)) evaluate to false in JavaScript?
..."foo" is a string primitive. (this concept does not exist in C# or Java)
new String("foo") is boxed string object.
The === operator behaves differently on primitives and objects.
When comparing primitives (of the same type), === will return true if they both have the same value.
When comparing o...
Multiple queries executed in java in single statement
...ure you can Insert what you want.
The only thing is you might not get the newly inserted rows in the Result Set if you Insert after the Select.
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set up device for development (???????????? no permissions)
I am using a Samsung galaxy nexus phone ( Android 4.0 platform) .
26 Answers
26
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Gson ignoring map entries with value=null
...ere's how you would configure a Gson instance to output null:
Gson gson = new GsonBuilder().serializeNulls().create();
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problem with and :after with CSS in WebKit
...ect::-ms-expand {
display: none;
}
I have used FontAwesome.io for my new arrow, but you can use whatever else you want. Obviously this is not a perfect solution, but depending on your needs it might be enough.
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Specifying column name in a “references” migration
...you write
belongs_to :author, class_name: "User"
Note, when creating a new table you can write it as follows:
create_table :things do |t|
t.belongs_to :author, references: :users
end
Note: the schema_plus gem in it's entirety is not compatible with rails 5+, but this functionality is...