大约有 41,000 项符合查询结果（耗时：0.0589秒） [XML]
Difference between “@id/” and “@+id/” in Android
In @+id/ the plus symbol + instructs to create a new resource name and add in to the R.java file but what about @id/ ? From the documentation of ID : when referencing an Android resource ID , you do not need the plus symbol, but must add the android package namespace, like so:
...
fatal error LNK1112: module machine type 'x64' conflicts with target machine type 'X86'
...
I wrote a blog entry about this, as I encountered this maddening problem, and finally yanked my system back into working order.
These are the things to check, in this order:
Check your properties options in your linker settings at: Properties > Configuration Properties > Linker > Advanc...
Can constructors be async?
...onstructor acts very similarly to a method returning the constructed type. And async method can't return just any type, it has to be either “fire and forget” void, or Task.
If the constructor of type T actually returned Task<T>, that would be very confusing, I think.
If the async constru...
npm throws error without sudo
I just installed node and npm through the package on nodejs.org and whenever I try to search or install something with npm it throws the following error, unless I sudo the command. I have a feeling this is a permissions issue? I am already the admin.
...
iPad browser WIDTH & HEIGHT standard
Does anyone know the safest width and height for the BODY when viewing any web page on the iPad? I want to avoid the scrollbars as much as possible.
...
Order Bars in ggplot2 bar graph
...g to make a bar graph where the largest bar would be nearest to the y axis and the shortest bar would be furthest. So this is kind of like the Table I have
...
MVC 5 Seed Users and Roles
...ave been playing about with the new MVC 5, I have a few models, controller and views setup using code first migrations.
7 ...
Log exception with traceback
...
Use logging.exception from within the except: handler/block to log the current exception along with the trace information, prepended with a message.
import logging
LOG_FILENAME = '/tmp/logging_example.out'
logging.basicConfig(filename=LOG_FILENAME, level=logging.DEBUG)
...
What is the difference between exit() and abort()?
In C and C++, what is the difference between exit() and abort() ? I am trying to end my program after an error (not an exception).
...
Peak detection in a 2D array
...nic measuring pressure under a dogs paw. I use Python for my data analysis and now I'm stuck trying to divide the paws into (anatomical) subregions.
...