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Define a lambda expression that raises an Exception
...you create a callable and replace it's __code__ value with the code object from above, you get something that can be evaluated without using statements. Achieving all this, though, results in very obscure code:
map(lambda x, y, z: x.__setattr__(y, z) or x, [lambda: 0], ["__code__"], [compile("rais...
Is the practice of returning a C++ reference variable evil?
...erity, and for any newer programmers chancing upon this, just return the T from the function. RVO will take care of everything.
– Shoe
Apr 9 '15 at 19:59
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Incrementing a date in JavaScript
...#1 was wrong (it added 24 hours, failing to account for transitions to and from daylight saving time; Clever Human pointed out that it would fail with November 7, 2010 in the Eastern timezone). Instead, Jigar's answer is the correct way to do this without a library:
var tomorrow = new Date();
tomor...
Futures vs. Promises
...o these two separate "interfaces" is to hide the "write/set" functionality from the "consumer/reader".
auto promise = std::promise<std::string>();
auto producer = std::thread([&]
{
promise.set_value("Hello World");
});
auto future = promise.get_future();
auto consumer = std::thread...
Remove all child elements of a DOM node in JavaScript
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From jQuery these two issues might be considered: This method removes not only child (and other descendant) elements, but also any text within the set of matched elements. This is because, according to the DOM specification, ...
How to get the name of a class without the package?
...pe is anonymous is "[]".
It is actually stripping the package information from the name, but this is hidden from you.
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Convert JSON style properties names to Java CamelCase names with GSON
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Very simple, saves me from having to annotate a bunch of fields!
– William T. Mallard
Sep 26 '17 at 19:25
add a comment
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Can't find @Nullable inside javax.annotation.*
... .
I found some tutorials on the net, I noticed that this annotation comes from the package javax.annotation.Nullable ;
but when I import it a compilation error is generated: cannot find symbol
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POST request via RestTemplate in JSON
... that I used. It took me quite a bit of a long time to piece together code from different places to get a working version.
RestTemplate restTemplate = new RestTemplate();
String url = "endpoint url";
String requestJson = "{\"queriedQuestion\":\"Is there pain in your hand?\"}";
HttpHeaders headers ...
What's the difference of “./configure” option “--build”, “--host” and “--target”?
... debugger/compiler was also built by the powerpc? This is a comment I got from another user (Ned): build = where am I compiling the compiler, host = where the compiler will run, target = what code will the compiler produce. Reference: stackoverflow.com/questions/7088576/…
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