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Java 8 stream's .min() and .max(): why does this compile?
...tor<Integer>, then it's essentially looking for this signature:
int xxx(Integer o1, Integer o2);
I use "xxx" because the method name is not used for matching purposes.
Therefore, both Integer.min(int a, int b) and Integer.max(int a, int b) are close enough that autoboxing will allow this t...
What's the difference between RANK() and DENSE_RANK() functions in oracle?
...rom dual union all
select 10, 'bbb', 50000 from dual union all
select 10, 'xxx', null from dual union all
select 10, 'ccc', 50000 from dual)
select empname, deptno, sal
, rank() over (partition by deptno order by sal nulls first) r
, dense_rank() over (partition by deptno order by sal null...
Update R using RStudio
...e. I like Kansas: http://rweb.quant.ku.edu/cran/.
click on 'Download R for XXX' [where XXX is your operating system]
follow the installation procedure for your operating system
restart RStudio
rejoice
--wait - what about my beloved packages??--
ok, I use a Mac, so I can only provide accurate deta...
How does python numpy.where() work?
...74, 75, 76, 77, 78, 79, 80, 81,
82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98,
99]),)
>>> np.where(a == 90)
(array([90]),)
a = a*40
>>> np.where(a > 1000)
(array([26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42,
43, 4...
How do you deal with configuration files in source control?
...nment in our config file(s).
What make this all work is an assembly named xxx.Environment which is referenced in all of our applications (winforms and webforms) which tells the application which environment it is operating on.
The xxx.Environment assembly reads a single line of information from th...
Can I invoke an instance method on a Ruby module without including it?
...t(x); ...
end
and then you can call them with
UsefulThings.format_text("xxx")
or
UsefulThings::format_text("xxx")
But anyway I would recommend that you put just related methods in one module or in one class. If you have problem that you want to include just one method from module then it sou...
Is there a goto statement in Java?
...
Vitalii FedorenkoVitalii Fedorenko
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App Inventor 2 试验组件 · App Inventor 2 中文网
...们 关注我，不迷路 在线 客服 扫码添加客服咨询 我要 分享 扫码分享到朋友圈 顶部 var qrcode = new QRCode("qrcode", { ...
Adding a guideline to the editor in Visual Studio
...alstudiogallery.msdn.microsoft.com/en-us/7f2a6727-2993-4c1d-8f58-ae24df14ea91
These are also part of the Productivity Power Tools, which includes many other very useful extensions.
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How do I associate a Vagrant project directory with an existing VirtualBox VM?
...BoxManage list vms
You will have something like this:
"virtualMachine" {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}
2) Go to the following path:
cd .vagrant/machines/default/virtualbox
3) Create a file called id with the ID of your VM xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
4) Save the file and run...