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Spring MVC: How to return image in @ResponseBody?
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if you are using Spring version of 3.1 or newer you can specify "produces" in @RequestMapping annotation. Example below works for me out of box. No need of register converter or anything else if you have web mvc enabled (@EnableWebMvc).
@ResponseBody
@Request...
Order of items in classes: Fields, Properties, Constructors, Methods
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@FrançoisWahl Is the overhead associated with the compiler combining partial classes into a single type that large?
– dav_i
Sep 4 '12 at 9:14
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C# short/long/int literal format?
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var d = 1.0d; // double
var d0 = 1.0; // double
var d1 = 1e+3; // double
var d2 = 1e-3; // double
var f = 1.0f; // float
var m = 1.0m; // decimal
var i = 1; // int
var ui = 1U; // uint
var ul = 1UL; // ulong
var l ...
Parsing query strings on Android
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If you're using Spring 3.1 or greater (yikes, was hoping that support went back further), you can use the UriComponents and UriComponentsBuilder:
UriComponents components = UriComponentsBuilder.fromUri(uri).build();
List<String> myParam = co...
Android and setting alpha for (image) view alpha
...(float) whose XML counterpart is android:alpha. It takes a range of 0.0 to 1.0 instead of 0 to 255. Use it e.g. like
<ImageView android:alpha="0.4">
However, the latter in available only since API level 11.
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What's the equivalent of Java's Thread.sleep() in Objective-C/Cocoa?
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Sleeping for one second in Objective C:
[NSThread sleepForTimeInterval:1.0f];
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How to find the type of an object in Go?
... "reflect"
)
func main() {
b := true
s := ""
n := 1
f := 1.0
a := []string{"foo", "bar", "baz"}
fmt.Println(reflect.TypeOf(b))
fmt.Println(reflect.TypeOf(s))
fmt.Println(reflect.TypeOf(n))
fmt.Println(reflect.TypeOf(f))
fmt.Println(reflect.TypeOf(a))
}
Pr...
Adding a column to an existing table in a Rails migration
...n to it and then call
rake db:migrate
This will work if you have rails 3.1 onwards installed in your system.
Much simpler way of doing it is change let the change in migration file be as it is.
use
$rake db:migrate:redo
This will roll back the last migration and migrate it again.
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Get generic type of java.util.List
...ed Jan 31 '17 at 21:45
Jean-François Savard
19.1k55 gold badges4040 silver badges6666 bronze badges
answered Dec 21 '09 at 21:18
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Ruby 2.0.0p0 IRB warning: “DL is deprecated, please use Fiddle”
...ocated this files rbreadline.rb and readline.rb at C:\RailsInstaller\Ruby2.1.0\lib\ruby\site_ruby\2.1.0\ . I changed the line from require 'dl' to require 'fiddle'. No more warnings.
– Blairg23
Jun 19 '15 at 8:53
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