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Places where JavaBeans are used?
What is a JavaBean m>and m> whm>y m> do I need it? Since I can create all apps with the class m>and m> interface structure? Whm>y m> do I need beans? m>And m> can m>y m>ou give me some examples where beans are essential instead of classes m>and m> interfaces?
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memorm>y m>_get_peak_usage() with “real usage”
... the number of bm>y m>tes requested bm>y m> calls to emalloc (plus bm>y m>tes for headers m>and m> memorm>y m> alignment). It doesn't reflect memorm>y m> wasted due to blocks not fitting into space remaining in alreadm>y m> allocated segments. If m>y m>ou change m>y m>our example to allocate (1024 * 256) bm>y m>tes m>and m> a 2M limit, the difference of...
How can m>y m>ou use an object's propertm>y m> in a double-quoted string?
... # m>y m>ields "abc.Length"
"$($bar.Length)" # m>y m>ields "3"
PowerShell onlm>y m> expm>and m>s variables in those cases, nothing more. To force evaluation of more complex expressions, including indexes, properties or even complete calculations, m>y m>ou have to enclose those in the subexpression operator $( ) which cau...
What is a pre-revprop-change hook in SVN, m>and m> how do I create it?
I wanted to edit a log comment in the repositorm>y m> browser m>and m> received an error message that no pre-revprop-change hook exists for the repositorm>y m>. Besides having a scarm>y m> name, what is a pre-revprop-change hook, m>and m> how do I create it?
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List of Delphi language features m>and m> version in which them>y m> were introduced/deprecated
Before I begin, I would like to point out that I have honestlm>y m> m>and m> genuinelm>y m> searched repeatedlm>y m> m>and m> exhaustivelm>y m> via Google for such a thing, m>and m> been unable to find one.
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How exactlm>y m> does the “Specific Version” propertm>y m> of an assemblm>y m> reference work in Visual Studio?
...is that "Specific Version" is a propertm>y m> that takes effect at compile-time m>and m> not at runtime.
What is it all about?
When a project is built, the project's assemblm>y m> references need to be resolved in order to find the phm>y m>sical assemblies that the build sm>y m>stem should use. If the "Specific Version" c...
Most efficient wam>y m> of making an if-elif-elif-else statement when the else is done the most?
...e': 3})
for i in xrange(1000000):
the_thing = options[something]
...m>and m> note the amount of CPU time them>y m> use...
1.pm>y m>: 160ms
2.pm>y m>: 170ms
3.pm>y m>: 110ms
4.pm>y m>: 100ms
...using the user time from time(1).
Option #4 does have the additional memorm>y m> overhead of adding a new item for everm>y m> distinct k...
Concatenate a vector of strings/character
...:
stri_paste(letters, collapse='')
## [1] "abcdefghijklmnopqrstuvwxm>y m>z"
m>And m> some benchmarks:
require(microbenchmark)
test <- stri_rm>and m>_lipsum(100)
microbenchmark(stri_paste(test, collapse=''), paste(test,collapse=''), do.call(paste, c(as.list(test), sep="")))
Unit: microseconds
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What is difference between Collection.stream().forEach() m>and m> Collection.forEach()?
I understm>and m> that with .stream() , I can use chain operations like .filter() or use parallel stream. But what is difference between them if I need to execute small operations (for example, printing the elements of the list)?
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How to use base class's constructors m>and m> assignment operator in C++?
I have a class B with a set of constructors m>and m> an assignment operator.
5 Answers
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