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How to sort a HashMap in Java [duplicate]
... them.
In any case, you can't have sorted values in HashMap (according to API This class makes no guarantees as to the order of the map; in particular, it does not guarantee that the order will remain constant over time ].
Though you can push all these values to LinkedHashMap, for later use as we...
optional local variables in rails partial templates: how do I get out of the (defined? foo) mess?
... To get over the nil issue, I'm copying the code from the OP's link (api.rubyonrails.org/classes/ActionView/Base.html) <% if local_assigns.has_key? :headline %> Headline: <%= headline %> <% end %> -- has_key avoids the nil / false situation, and probably can be shortened to...
log4j logging hierarchy order
...000;
public final static int ALL_INT = Integer.MIN_VALUE;
or the log4j API for the Level class, which makes it quite clear.
When the library decides whether to print a certain statement or not, it computes the effective level of the responsible Logger object (based on configuration) and compare...
How to Display blob (.pdf) in an AngularJS app
...urn {
downloadPdf: function () {
return $http.get('api/downloadPDF', { responseType: 'arraybuffer' }).then(function (response) {
return response;
});
}
};
});
Java REST Web Services - Spring MVC:
@RequestMapping(value = "/downloadPDF...
Safest way to convert float to integer in python?
...ki/64-bit_computing#64-bit_data_models. If you are programming with the C-API, python 3 you have to be very careful in what the definition of long and size_t is on your platform. docs.python.org/3/c-api/long.html
– Juan
Sep 27 '17 at 14:21
...
Get list of JSON objects with Spring RestTemplate
...e>> rateResponse =
restTemplate.exchange("https://bitpay.com/api/rates",
HttpMethod.GET, null, new ParameterizedTypeReference<List<Rate>>() {
});
List<Rate> rates = rateResponse.getBody();
The other solutions above will also work, but...
How can I get jQuery to perform a synchronous, rather than asynchronous, Ajax request?
... async false is no longer supported for jQuery >= 1.8. Refer to api.jquery.com/jQuery.ajax
– ken
Aug 5 '15 at 8:43
22
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Difference between Destroy and Delete
...troy runs any callbacks on the model while delete doesn't.
From the Rails API:
ActiveRecord::Persistence.delete
Deletes the record in the database and freezes this instance to reflect that no changes should be made (since they can't be persisted). Returns the frozen instance.
The row is ...
How do I assert my exception message with JUnit Test annotation?
...ks in JUnit 5 but with different imports:
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
...
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Type definition in object literal in TypeScript
...tal null/undefined access:
const state = {
instance: null as null | ApiService,
// OR
// instance: undefined as undefined | ApiService,
};
const useApi = () => {
// If I try to use it here, the type system requires a safe way to access it
// Simple lazy-initialization
...