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Can Java 8 code be compiled to run on Java 7 JVM?
...turns? try-catch mechanism from the lambda. Anything left? (Interestingly, my scalac says 1.6 is the default)
– Adowrath
Apr 8 '17 at 16:50
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Count, size, length…too many choices in Ruby?
...e a query that requests all of the items from the database ('select * from mytable') and then give you the number of items resulting, whereas .count will generate a single query ('select count(*) from mytable') which is considerably faster.
Because these ORMs are so prevalent I following the princi...
std::next_permutation Implementation Explanation
.../ requires BidirectionalIterator<I> && Compare<C>
bool my_next_permutation(I begin, I end, C comp) {
auto rbegin = std::make_reverse_iterator(end);
auto rend = std::make_reverse_iterator(begin);
auto rsorted_end = std::is_sorted_until(rbegin, rend, comp);
bool has...
How can you debug a CORS request with cURL?
...ncluding access-control-allow-origin header) back, does that mean I set up my CORS incorrectly? curl -X GET 'endpoint.com' -H 'Cache-Control: no-cache' --head
– Jun711
Jul 13 '18 at 0:23
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Why don't self-closing script elements work?
...entations used to differ.
It used to work in Chrome, Safari, and Opera; to my knowledge it never worked in Internet Explorer or Firefox.
This was discussed when HTML 5 was being drafted and got rejected because it breaks browser compatibility.
Webpages that self-close script tag may not render corr...
Entity Framework 4 - AddObject vs Attach
...gPerson = ctx.Persons.SingleOrDefault(p => p.Name = "Joe Bloggs" };
var myAddress = ctx.Addresses.First(a => a.PersonID != existingPerson.PersonID);
existingPerson.Addresses.Attach(myAddress);
// OR:
myAddress.PersonReference.Attach(existingPerson)
ctx.SaveChanges();
...
JavaScript DOM remove element
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I confirm this behaviour. My framework uses a Javascript object mapping tree over the dom layout. Each js object references its dom element. Even though I call element.parentNode.removeChild to remove elements, they stay alive and can still get refere...
When to use the JavaScript MIME type application/javascript instead of text/javascript?
...prevent the browser from interpreting the type.
– sammy_winter
Sep 7 '18 at 16:20
@sammy_winter I see warnings like th...
Defining a HTML template to append using JQuery
...with iteration (<% for), conditionals (<% if) and transforms (<%= myString | uppercase %>) seen as microlanguage at best, and anti-patterns at worst. Modern templating practices encourage simply mapping an object to its DOM (or other) representation, e.g. what we see with properties mapp...
Should I always use a parallel stream when possible?
... are available" -- or if you're applying an action that involves IO (e.g. myListOfURLs.stream().map((url) -> downloadPage(url))...).
– Jules
Jul 30 '16 at 9:26
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