detect | 易学教程

How to detect OS language in Windows Phone 8.1

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问题 So before I used: System.Threading.Thread.CurrentThread.CurrentCulture How to do it in Wp8.1. And why all the deprecated things dont have a good documentation what you can use instead like in xCode? 回答1: CultureInfo.CurrentCulture used to return the region format setting. WP 8.1 seems to return the default language set in the Package.appxmanifest. Kinda sucks doesn't it? :) I think it is planned because they want to steer us towards using GlobalizationPreferences instead. So to get back to

Detected android device connected to PC

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问题 I have an android devic, i wish to know when it is connected to the pc via java/.net i know its possible - the Samsung New PC Studio is doing it, when ever i connect an android device it lets me know. how can i achieve the same? 回答1: You have to listen for one of this notifications http://developer.android.com/reference/android/content/Intent.html If you're using it as a mass storage device then use this http://developer.android.com/reference/android/content/Intent.html#ACTION_UMS_CONNECTED

Django: Detect database backend

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问题 I'm doing some "extra" queries in Django that need to work on both sqlite and postgres. The syntax of these queries varies between backend but I have no way of figuring out if I'm sending my queries to either postgres or sqlite. Is there a way to get the current database adapter so I can branch my code and send the right query for the active database server? 回答1: OK, so there's two ways of doing it, as @Ricola3D said there's the option of checking settings.DATABASES['default']['ENGINE'] : >>>

PHP Regex for OS detection

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I'm using this code for detect the user's OS: <? $osList = array ( /* -- WINDOWS -- */ 'Windows 10 (Windows NT 10.0)' => 'windows nt 10.0', 'Windows 8.1 (Windows NT 6.3)' => 'windows nt 6.3', 'Windows 8 (Windows NT 6.2)' => 'windows nt 6.2', 'Windows 7 (Windows NT 6.1)' => 'windows nt 6.1', 'Windows Vista (Windows NT 6.0)' => 'windows nt 6.0', 'Windows Server 2003 (Windows NT 5.2)' => 'windows nt 5.2', 'Windows XP (Windows NT 5.1)' => 'windows nt 5.1', 'Windows 2000 sp1 (Windows NT 5.01)' => 'windows nt 5.01', 'Windows 2000 (Windows NT 5.0)' => 'windows nt 5.0', 'Windows NT 4.0' => 'windows nt

How to detect iBeacon in Android?

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问题 It is the first time I work with iBeacon. So can you tell me how to detect it(give me some code example). Thanks very much. It is very important to me. 回答1: The open source Android iBeacon Library will allow you to do this. Here is a basic code sample: public class MonitoringActivity extends Activity implements IBeaconConsumer { protected static final String TAG = "RangingActivity"; private IBeaconManager iBeaconManager = IBeaconManager.getInstanceForApplication(this); @Override protected

ACCESS VBA - Obtain Wireless Network Name (Connected)

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问题 Is it possible to detect the users Wifi network (SSID) they are connected to via vba? in Access 2010 Many thanks Max 回答1: After some more research, I found the following link: http://www.vbforums.com/showthread.php?547916-List-available-wireless-networks-(using-WMI)-Help-pls If you scroll down to post #19 there is a code fragment using Native Wifi API, I adapted to the following code fragment where Function GetConnectedSSID() will return the SSID of the currently connected Wifi network:

How to detect blue color object using opencv

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问题 i'm using that guide to detect blobs of a certain color. On that guide, it check for orange's blob and it use this values: int orange[3] = {200, 250, 10}; On the guide it says that this values represents the orange in HSV. I don't know how they calculate this values but i try to check for blue value converting from rgb to hsv but it doesn't work. What i have to detect is this color: Any ideas on how to determinate HSV values to detect colors? thanks!! 回答1: For blue , it can be used as HSV

How to detect if a user had javascript disabled?

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问题 I was talking with a friend about users who do not have javascript enabled in their browser and what could be done to show them a "no-javascript" version of your website. Is it possible and how can it be done? Thoughts? 回答1: Don't try to build separate JS and non-JS versions of the site. Build a non-JS version and then enhance it with JS. This makes it easier to reuse code, allows you to use object/feature detection for the entire stack, and makes it less likely that users without JavaScript

Detect end of performSelectorInBackground:withObject:

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问题 I have an asynchronous server request in my iOS app: [self performSelectorInBackground:@selector(doSomething) withObject:nil]; How can I detect the end of this operation? 回答1: Put a call at the end of the doSomething method?! - (void)doSomething { // Thread starts here // Do something // Thread ends here [self performSelectorOnMainThread:@selector(doSomethingDone) withObject:nil waitUntilDone:NO]; } 回答2: If you just want to know when it's finished (and don't want to pass much data back - at

Portable way to detect heap fragmentation in c++ at runtime?

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问题 I'm writing a qt-based c++ application and i need to be able to detect memory fragmentation in order to check if the current system can actually sustain the memory load: the program load a big image (15/21 megapixels are the norm) in memory and then perform some filtering on it (w/ sparse matrices). For instance, i'm having memory fragmentation problem in Windows and VMMap has been very helpful in this: the problem was some DLLs (Wacom tablet "wintab32.dll" and the UltraMon app) doesn't get