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可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I'd like to simply retrieve device location in my Android project and in order to do so I use the play-services approach: protected synchronized void buildGoogleApiClient() { mGoogleApiClient = new GoogleApiClient.Builder( MainSearchActivity.this ) .addConnectionCallbacks(new GoogleApiClient.ConnectionCallbacks() { @Override public void onConnected( Bundle bundle ){ Location location = LocationServices.FusedLocationApi.getLastLocation(mGoogleApiClient); if( location == null ){ LocationServices.FusedLocationApi.requestLocationUpdates

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I want to store my app in the current user's AppData directory to avoid problems with permissions we had when auto-updating our app (when it's stored in Program Files). We don't give the user the option of where to install the app. We've had complaints from non-admin users that the installer stores the app in the admin's AppData directory (after UAC of course), instead of the current user's AppData directory, which then prevents the app from running in the future. Firstly, I had DefaultDirName={userappdata}\{#MyAppName} . Then I tried

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: Is there any way to capture by value, and make the captured value non-const? I have a library functor that I would like to capture & call a method that is non-const but should be. The following doesn't compile but making foo::operator() const fixes it. struct foo { bool operator () ( const bool & a ) { return a; } }; int _tmain(int argc, _TCHAR* argv[]) { foo afoo; auto bar = [=] () -> bool { afoo(true); }; return 0; } 回答1: Use mutable. auto bar = [=] () mutable -> bool .... Without mutable you are declaring the operator () of the lambda

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I've been struggling with this for a few days now. When I create a new Static Library project under IOS in XCode 4 I am running into an issue. With or without adding files as headers or to be compiled I am able to successfully build but the .a file is always red. This happens in both Debug and Release. I've read about similar issues but haven't found someone who has fixed the problem. Any help would be appreciated. Thanks 回答1: XCode seems to have a bug in this regard when building for the simulator. Build once for device, right-click the

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I have been reading a lot about fragments. Have found other people having problems retrieving fragments view because null was always returned but no answer solved my problem. What I'm trying to do is create a image gallery. I have a Fragment that holds a image view. To show the fragments I use a android.support.v4.view.ViewPager. And to feed the ViewPager I use a android.support.v4.app.FragmentStatePagerAdapter . The problem is that when everything is build and the images are shown I want to save the current shown image to disk. So I need to

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I have a div class set up with the following CSS style: div.multiple_choice{ border: 1px solid black; max-width: 300px; max-height: 200px; overflow: auto; } The problem is, when the text inside doesn't force the DIV to reach the maximum height of 200px, the vertical scroll bar still shows up. I can click on the up and down arrows but it only moves the contents up and down by about a pixel or two. This is occuring in Google Chrome (version 18.0) and Iceweasel 11. 回答1: As it turns out, another CSS style was causing the issue: body{ line-height

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: In my Application there are three ways of login. one of them is login with facebook. But when I click on facebook button it ask me for accesing permissions, when click OK then it returs error FBErrorCategoryUserCancelled . And this is not happening on every devices, it happens on some devices. Here is my code - if ([[ FBSession activeSession ] isOpen ]) { /* * if the current session has no publish permission we need to reauthorize */ if ([[[ FBSession activeSession ] permissions ] indexOfObject :@ "publish_actions" ] == NSNotFound

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I seldom use inheritance, but when I do, I never use protected attributes because I think it breaks the encapsulation of the inherited classes. Do you use protected attributes ? what do you use them for ? 回答1: In this interview on Design by Bill Venners, Joshua Bloch, the author of Effective Java says: Trusting Subclasses Bill Venners: Should I trust subclasses more intimately than non-subclasses? For example, do I make it easier for a subclass implementation to break me than I would for a non-subclass? In particular, how do you feel about

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I have Android project (com.appocaliptic.quizknife.app) which uses Android library (com.appocaliptic.quizknife.core). What I am trying to do, is to get resource id of the picture which is the library. Path to the image is: res/drawable-xhdpi/fr_200_133.png However, all tries with getIdentifier result 0. Where is the problem? resId = getResources().getIdentifier("fr_200_133", "drawable", "com.appocaliptic.quizknife.core"); resId = getResources().getIdentifier("com.appocaliptic.quizknife.core:drawable/"+"fr_200_133", null, null); resId =

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I've got a simple console project where I'm reading two Excel-files. The Excel-files are included in the project ("add existing item") and I've marked them with "Copy to Output Directory". However, they are not copied to the debug-directory when debugging/running the code. I feel like I've forgotten something trivial. What do I need to do more? 回答1: Changes to non-source code files don't cause a rebuild to occur - they aren't considered when the compiler does it's out of date checking. Try forcing a complete rebuild by deleting your output