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Jackson how to transform JsonNode to ArrayNode without casting?
...xample:
JSON:
{
"objects" : ["One", "Two", "Three"]
}
Code:
final String json = "{\"objects\" : [\"One\", \"Two\", \"Three\"]}";
final JsonNode arrNode = new ObjectMapper().readTree(json).get("objects");
if (arrNode.isArray()) {
for (final JsonNode objNode : arrNode) {
System.o...
Spring 3 MVC accessing HttpRequest from controller
...s anything: @RequestMapping(value="/") public String home(HttpServletRequest request){ System.out.println(""+request.getSession().getCreationTime()); return "home"; } This should pring the current amount pof millis but it does not, also annotating the ...
Rails raw SQL example
...
@AkshayGoyal you can use normal ruby string interpolation within the block. SELECT * FROM users WHERE users.id = #{ user.id }
– Nathan Beck
Nov 15 '19 at 18:21
...
Sphinx autodoc is not automatic enough
... = [
'sphinx.ext.autodoc', # Core library for html generation from docstrings
'sphinx.ext.autosummary', # Create neat summary tables
]
autosummary_generate = True # Turn on sphinx.ext.autosummary
# Add any paths that contain templates here, relative to this directory.
templates_path = ['...
Calculating the difference between two Java date instances
... the units ordered.
You just have to convert that map to an user-friendly string.
Warning
The above code snippets compute a simple diff between 2 instants. It can cause problems during a daylight saving switch, like explained in this post. This means if you compute the diff between dates with n...
What is __init__.py for?
...his mean: "this is done to prevent directories with a common name, such as string, from unintentionally hiding valid modules that occur later on the module search path"?
– Carl G
Jan 25 '14 at 4:43
...
How to put a unicode character in XAML?
...y inside Text="...". When using a Binding with my ViewModel I had to use a string variable containing "\u2014".
– flocbit
Aug 7 '18 at 9:10
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HttpServletRequest - how to obtain the referring URL?
...lable in the HTTP referer header. You can get it in a servlet as follows:
String referrer = request.getHeader("referer"); // Yes, with the legendary misspelling.
You, however, need to realize that this is a client-controlled value and can thus be spoofed to something entirely different or even re...
Why all the Active Record hate? [closed]
...ss tools, e.g. some variations of simple, easy, plain hash_map get_record( string id_value, string table_name, string id_column_name="id" ) and similar methods (of course, the concepts and elegance greatly varies with the language used).
2) long version: In any database-driven projects where I had ...
Why no generics in Go?
...s.md.
For example, the PrintSlice function receives a slice of integers or strings and prints it. See https://www.jetbrains.com/help/go/how-to-use-type-parameters-for-generic-programming.html.
package main
import "fmt"
func PrintSlice(type T)(s []T) {
for _, v := range s {
fmt.Print(v...