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What is the concept of erasure in generics in Java?
... compiler generates extra casts where necessary. At execution time, a List<String> and a List<Date> are exactly the same; the extra type information has been erased by the compiler.
Compare this with, say, C#, where the information is retained at execution time, allowing code to contai...
Is it possible to get all arguments of a function as single object inside that function?
... (not an actual array). Example function...
function testArguments () // <-- notice no arguments specified
{
console.log(arguments); // outputs the arguments to the console
var htmlOutput = "";
for (var i=0; i < arguments.length; i++) {
htmlOutput += '<li>' + argumen...
git submodule tracking latest
...record it in .gitmodules
This allows you to easily record a submodule.<name>.branch option in .gitmodules when you add a new submodule. With this patch,
$ git submodule add -b <branch> <repository> [<path>]
$ git config -f .gitmodules submodule.<path>.branch <...
Why does Iterable not provide stream() and parallelStream() methods?
...le was so general became a problem, because the obvious signature:
Stream<T> stream()
was not always what you were going to want. Some things that were Iterable<Integer> would rather have their stream method return an IntStream, for example. But putting the stream() method this high ...
How can I replace text with CSS?
...
Or maybe you could wrap 'Facts' round a <span> as follows:
<div class="pvw-title"><span>Facts</span></div>
Then use:
.pvw-title span {
display: none;
}
.pvw-title:after {
content: 'whatever it is you want to add';
}
...
How do I access the host machine itself from the iPhone simulator
...
Expanding on jaminguy's answer, MAC OSX also has a built in Apache server. Just do a quick google search.....
– Sid
May 20 '11 at 23:00
1
...
Android Studio inline compiler showing red errors, but compilation with gradle works fine
...e .idea/libraries/wire_runtime_1_2_0.xml directly.
My broken one was:
<component name="libraryTable">
<library name="wire-runtime-1.2.0">
<CLASSES>
<root url="jar://$PROJECT_DIR$/MY_MODULE/libs/wire-runtime-1.2.0.jar!/" />
</CLASSES>
<JAVADOC ...
Correct way to convert size in bytes to KB, MB, GB in JavaScript
...tes === 0) return '0 Bytes';
const k = 1024;
const dm = decimals < 0 ? 0 : decimals;
const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
const i = Math.floor(Math.log(bytes) / Math.log(k));
return parseFloat((bytes / Math.pow(k, i)).toFixed(dm)) + ' ' +...
Getting and removing the first character of a string
...
See ?substring.
x <- 'hello stackoverflow'
substring(x, 1, 1)
## [1] "h"
substring(x, 2)
## [1] "ello stackoverflow"
The idea of having a pop method that both returns a value and has a side effect of updating the data stored in x is very...
What’s the best way to check if a file exists in C++? (cross platform)
...
Use boost::filesystem:
#include <boost/filesystem.hpp>
if ( !boost::filesystem::exists( "myfile.txt" ) )
{
std::cout << "Can't find my file!" << std::endl;
}
sh...