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Decoding JSON using json.Unmarshal vs json.NewDecoder.Decode
... JSON value in memory before unmarshalling it into a Go value. So in most cases it won't be any more memory efficient (although this could easily change in a future version of the language).
So a better rule of thumb is this:
Use json.Decoder if your data is coming from an io.Reader stream, or y...
Hiding textarea resize handle in Safari
I'm using textarea components in my application, and I control their height dynamically. As the user types, the height is increased whenever there is enough text. This works fine on IE, Firefox, and Safari.
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Is there any difference between __DIR__ and dirname(__FILE__) in PHP?
...R__ is evaluated at compile-time, while dirname(__FILE__) means a function-call and is evaluated at execution-time
so, __DIR__ is (or, should be) faster.
As, as a reference, see the Magic constants section of the manual (quoting) :
__DIR__ : The directory of the file.
If used inside an i...
Html.RenderPartial() syntax with Razor
This works, because it returns the result of partial view rendering in a string:
4 Answers
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Removing All Child Views from View
... all child views from a widget? For example, I have a GridView and I dynamically inflate many other LinearLayouts into it; later in my application I am looking to start fresh with that GridView and clear all of its child Views. How would I do this? TIA.
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Is there a “default” MIME type?
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The least specific official MIME type is application/octet-stream. Without any additional information, it says "here is a bunch of bytes, hopefully there is an application over on your end which knows what to do with them". Sometimes there is a file name which helps co...
Get PostGIS version
How can I find out which version of PostGIS I have?
5 Answers
5
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Use of undeclared identifier 'kUTTypeMovie'
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Swift 4 answer, with video camera code and imagePicker delegate:
import MobileCoreServices
Open Video Camera
@IBAction func openVideoCamera(_ sender: Any) {
if UIImagePickerController.isSourceTypeAvailable(.camera) {
let imagePicker...
Block commenting in Ruby
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You can do
=begin
[Multi line comment]
=end
=begin and =end must be at the beginning of the line (not indented at all).
Source
Also, in TextMate you can press Command + / to toggle regular comments on a highlighted block o...
git add . vs git commit -a
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git commit -a automatically invokes git add on all files it knows about. You can use git add to select what files to commit. Consult the docs for more info: here
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