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How set background drawable programmatically in Android
... is correct.
Another way to achieve it is to use the following:
final int sdk = android.os.Build.VERSION.SDK_INT;
if(sdk < android.os.Build.VERSION_CODES.JELLY_BEAN) {
layout.setBackgroundDrawable(ContextCompat.getDrawable(context, R.drawable.ready) );
} else {
layout.setBackground(Conte...
二维码的生成细节及原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...识
首先，我们先说一下二维码一共有40个尺寸。官方叫版本Version。Version 1是21 x 21的矩阵，Version 2是 25 x 25的矩阵，Version 3是29的尺寸，每增加一个version，就会增加4的尺寸，公式是：(V-1)*4 + 21（V是版本号） 最高Version 40，(40-1)*4+...
SSMS插件开发指南 - C/C++ - 清泛网 - 专注C/C++及内核技术
...ject = (DTE2)ServiceCache.ExtensibilityModel;
注意：开发使用的VS版本不能高于SSMS的版本，否则会出现各种各样意想不到的问题。
SSMS2008一般采用VS2005或VS2008开发，SSMS2012采用VS2012开发。SSMS2008与SSMS2012一些获取对象等细节方面也有少量...
How to convert NSDate into unix timestamp iphone sdk?
How to convert an NSDate into Unix timestamp? I've read many posts which do the reverse. But I'm not finding anything related to my question.
...
Android Studio - Ambiguous method call getClass()
...ify your application code, you can avoid this bug by patching your Android SDK's source code.
When you come across the getClass() error, go to the declaration of the method (⌘B on Mac). This will navigate to a path such as $ANDROID_HOME/sources/android-20/java/lang/Object.java. Now, within Intell...
Gradle: Execution failed for task ':processDebugManifest'
...
gradle assemble -info gave me the hint that the Manifests have different SDK Versions and cannot be merged.
I needed to edit my Manifests and build.gradle file and everything worked again.
To be clear you need to edit the uses-sdk in the AndroidManifest.xml
<uses-sdk android:minSdkVersion...
项目管理实践教程二、源代码控制【Source Control Using VisualSVN Server ...
...意：提交源代码到服务器时，一定确保本机的代码是最新版本，否则可能提交失败，或者造成版本冲突。
在Model文件夹上点击右键或在Model文件下的空白处点击右键，点击SVN Commit…弹出下面的窗体：
图2-2-9
点击OK按钮后，弹...
Unable to install Maven on Windows: “JAVA_HOME is set to an invalid directory”
...ectory for your Java installation. If you are executing Java from "E:\Sun\SDK\jdk\bin", then the JAVA_HOME variable needs to point to "E:\Sun\SDK\jdk".
NB: JAVA_HOME should NOT end with "\bin"1.
Make sure that you haven't put a semicolon in the JAVA_HOME variable2.
NB: JAVA_HOME should be a single...
How to update gradle in android studio?
...way to trigger this popup manually? I started Android Studio 3.0 while the SDK Update was running in the background (not using AS for SDK management), so I clicked "Ask again tomorrow" just in case this would rely on the new Build Tools which the SDK Update was installing.
– Da...
莱昂氏unix源代码分析 PDF - 文档下载 - 清泛网 - 专注C/C++及内核技术
...码分析 PDF莱昂 源代码本书由上、下两篇组成。上篇为UNIX版本6的源代码，下篇是莱昂先生对UNIX操作系统版本6源代码的详细分析。本书语言简洁、透彻，曾作为未公开...本书由上、下两篇组成。上篇为UNIX版本6的源代码，下篇是...