大约有 26,000 项符合查询结果（耗时：0.0377秒） [XML]
Attempt to present UIViewController on UIViewController whose view is not in the window hierarchy
...
Where are you calling this method from? I had an issue where I was attempting to present a modal view controller within the viewDidLoad method. The solution for me was to move this call to the viewDidAppear: method.
My presumption is that the view con...
Do you leave parentheses in or out in Ruby? [closed]
...
From the Elements of Ruby Style
Ruby allows you to leave out parenthesis, in general, resist this
temptation.
Parenthesis make the code easier to
follow. General Ruby style is to use
them, except in the following cases:
...
Visual Studio debugging/loading very slow
...g -> Symbols
Click on the "..." button and create/select a new folder somewhere on your local computer to store cached symbols. I named mine "Symbol caching" and put it in Documents -> Visual Studio 2012.
Click on "Load all symbols" and wait for the symbols to be downloaded from Microsoft's se...
Android: Remove all the previous activities from the back stack
...
The solution proposed here worked for me:
Java
Intent i = new Intent(OldActivity.this, NewActivity.class);
// set the new task and clear flags
i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
startActivity(i);
Kotlin
val i = Inten...
allowDefinition='MachineToApplication' error when publishing from VS2010 (but only after a previous
...
i had the same problem with my MVC apps. it was frustrating because i still wanted my views to be checked, so i didn't want to turn off MvcBuildViews
luckily i came across a post which gave me the answer. keep the MvcBuildViews as true,...
Android emulator-5554 offline
I'm having a problem with emulator-5554, it keeps telling me it is offline.
37 Answers
...
How to force ViewPager to re-instantiate its items [duplicate]
...aSetChanged() on its adapter but this does not invoke instantiateItem() method again.
3 Answers
...
How do I sort an array of hashes by a value in the hash?
...ce variant for sort_by in Ruby 1.8. In practice, you can do:
sorted = sort_me.sort_by { |k| k["value"] }
puts sorted
As of Ruby 1.9+, .sort_by! is available for in-place sorting:
sort_me.sort_by! { |k| k["value"]}
share
...
Git Diff with Beyond Compare
...
I don't use extra wrapper .sh files. My environment is Windows XP, git 1.7.1 on cygwin, and Beyond Compare 3. Following is my .git/config file.
[diff]
tool = bc3
[difftool]
prompt = false
[difftool "bc3"]
#use cygpath to transform cygwin path $LOCAL (somethin...
Visual Studio 2012 - Intellisense sometimes disappearing / broken
My colleagues and I are using VS2012 for some weeks now. Sometimes after working several hours the intellisense is broken. After closing all open tabs it works again.
...