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App Inventor 2 低功耗蓝牙(BLE) 硬件接入、数据通信及IO控制 - App Invent...
...介绍一款较为通用、价格低廉的BLE设备从零开始如何利用App Inventor 2开发一款自己专属的手机蓝牙App应用。BLE与经典蓝牙的区别可参考：《低功耗蓝牙(BLE) 和 经典蓝牙(SPP) 的区别》。本文主要通过一款常见的BLE硬件接入控制，介...
What's the point of NSAssert, actually?
..., because: The only thing I recognize is, that if the assertion fails, the app crashes. Is that the reason why to use NSAssert? Or what else is the benefit of it? And is it right to put an NSAssert just above any assumption I make in code, like a function that should never receive a -1 as param but ...
Entity Framework VS LINQ to SQL VS ADO.NET with stored procedures? [closed]
... not consider using an ORM is when you're doing a reporting/dashboard type application where you aren't doing any updating, or when you're creating an application just to do raw data maintenance operations on a database.
3) Neat/Maintainable code
Hands down, EF beats SQL/sprocs. Because your re...
in iPhone App How to detect the screen resolution of the device
In iPhone App,
while running the App on device How to detect the screen resolution of the device on which App is running?
6...
Mipmap drawables for icons
...misation. Mipmaps will not be stripped.
Different home screen launcher apps on different devices show app launcher icons at various resolutions. When app resource optimization techniques remove resources for unused screen densities, launcher icons can wind up looking fuzzy because the launcher a...
App Inventor 2 人脸识别App开发 - 第三方API接入的通用方法 · App Inventor 2 中文网
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Multiple dex files define Landroid/support/v4/accessibilityservice/AccessibilityServiceInfoCompat
...nners like me. this is the screenshots that shows the answer posted by @edsappfactory.com that worked for me:
First open the Gradle view on the right side of Androidstudio, in your app's item go to Tasks then Android then right-click androidDependencies then choose Run:
Second you will see somet...
Flat file databases [closed]
..."../userdata/".$name));
}
but again this implementation will vary on the application and nature of the database you need.
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How do you print out a stack trace to the console/log in Cocoa?
... it slightly to come up with this
#import <UIKit/UIKit.h>
#import "AppDelegate.h"
int main(int argc, char *argv[])
{
@autoreleasepool {
int retval;
@try{
retval = UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
}
@c...
Is there a difference between PhoneGap and Cordova commands?
...ditional features to PhoneGap so that will not be in
Cordova ,Eg: Building applications remotely for that you need to have
account on https://build.phonegap.com
Though For local builds phonegap cli uses cordova cli (Link to check:
https://github.com/phonegap/phonegap-cli/blob/master/lib/phonegap/uti...