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What are all the different ways to create an object in Java?
...n a typical implementation).
Causing an exception to be created and thrown by the runtime. For instance throw null; or "".toCharArray()[0].
Oh, and boxing of primitives (unless cached), of course.
JDK8 should have lambdas (essentially concise anonymous inner classes), which are implicitly converted ...
Android: Difference between Parcelable and Serializable?
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@Sujith what do you mean by reflection is used? What is reflection?
– AnV
Oct 1 '16 at 14:31
11
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Editing legend (text) labels in ggplot
...0, face = "bold", color = "darkgreen"))
this results in:
As mentioned by @user2739472 in the comments: If you only want to change the legend text labels and not the colours from ggplot's default palette, you can use scale_color_hue(labels = c("T999", "T888")) instead of scale_color_manual().
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Semicolon before self-invoking function? [duplicate]
...ole file. The statements inside the concatenated files should be separated by semicolons anyway to create valid JavaScript code.
– amoebe
Apr 3 '15 at 19:37
add a comment
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Tab key == 4 spaces and auto-indent after curly braces in Vim
... all
As graywh points out in the comments, smartindent has been replaced by cindent which "Works more cleverly", although still mainly for languages with C-like syntax:
:help C-indenting
share
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Understanding implicit in Scala
...ween your methods is that the one marked implicit will be inserted for you by the compiler when a Double is found but an Int is required.
implicit def doubleToInt(d: Double) = d.toInt
val x: Int = 42.0
will work the same as
def doubleToInt(d: Double) = d.toInt
val x: Int = doubleToInt(42.0)
I...
How can I change Eclipse theme?
...lipse themes - darker":
The big fun is that, the codes are minimized by using Eclipse4 platform technologies like dependency injection.
It proves that again, the concise codes and advanced features could be achieved by contributing or extending with the external form (like library, framework...
Can I replace groups in Java regex?
...static void main(String[] args) {
// replace with "%" what was matched by group 1
// input: aaa123ccc
// output: %123ccc
System.out.println(replaceGroup("([a-z]+)([0-9]+)([a-z]+)", "aaa123ccc", 1, "%"));
// replace with "!!!" what was matched the 4th time by the group 2
// ...
Maven parent pom vs modules pom
...s, common plugins etc. (I'm assuming the parent but I've often been bitten by this and they've ended up in each project rather than a common one).
Honestly, I don't know how to not give a general answer here (like "use the level at which you think it makes sense to mutualize things"). And anywa...
PermGen elimination in JDK 8
...ently and not during GC pause
Enable future improvements that were limited by PermGen.
The Permanent Generation (PermGen) space has completely been removed and is kind of replaced by a new space called Metaspace.
The consequences of the PermGen removal is that obviously the PermSize and MaxPermSize...