大约有 44,000 项符合查询结果（耗时：0.0650秒） [XML]
Java optional parameters
... by the possibility of more than one return value.
– Andreas Vogl
Dec 26 '19 at 11:05
Adding global variables might ca...
How to exclude a module from a Maven reactor build?
... Don't forget to escape the exclamation mark on the shell command line. It has a very special meaning, see e.g. unix.stackexchange.com/questions/3747/…
– Pavel
Apr 28 '15 at 9:30
...
How to get screen dimensions as pixels in Android
I created some custom elements, and I want to programmatically place them to the upper right corner ( n pixels from the top edge and m pixels from the right edge). Therefore I need to get the screen width and screen height and then set position:
...
Create instance of generic type in Java?
...
And how do you call the createContents() method?
– Alexis Dufrenoy
Aug 11 '12 at 21:36
...
What is boxing and unboxing and what are the trade offs?
I'm looking for a clear, concise and accurate answer.
8 Answers
8
...
Java code To convert byte to Hexadecimal
...g.format solution more preferrable.
References
JLS 4.2.1 Integral Types and Values
For byte, from -128 to 127, inclusive
JLS 5.1.2 Widening Primitive Conversion
share
|
improve this answer
...
How to overload __init__ method based on argument type?
... reason it's neater is that there is no doubt about what type is expected, and you aren't forced to guess at what the caller intended for you to do with the datatype it gave you. The problem with isinstance(x, basestring) is that there is no way for the caller to tell you, for instance, that even th...
How to do an instanceof check with Scala(Test)
...
Not sure if I understand correctly, but it should be the same: isInstanceOf[TraitName].
– agilesteel
Dec 29 '17 at 12:13
...
What is the best way to profile javascript execution? [closed]
...tats on a longer scale.
Imagine you are building a lot of javascript code and you want to determine what are actually the bottlenecks in the code. At first I want to see profile stats of every javascript function and execution time. Next would be including DOM functions. This combined with actions ...
Rails 3: “field-with-errors” wrapper changes the page appearance. How to avoid this?
...
One little question: Why both the label and the input are wrapped ? How Rails decide what to wrap ?
– Misha Moroshko
Mar 11 '11 at 2:03
...