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一文讲透区块链技术原理 - 资讯 - 清泛网 - 专注C/C++及内核技术
...透区块链技术原理区块链是什么？区块链技术最初是由一位化名中本聪的人为比特币（一种数字货币）而设计出的一种特殊的数据库技术，它基于密码学中的椭圆曲线...
区块链是什么？
“区块链”技术最初是由一位化名中本...
Webview load html from assets directory
...ity_main.xml
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:background="#FFFFFF"
android:layout_height="match_parent">
<WebView
android:layout_width="match_parent"
android:id="@+id/webview"
android:layout_height...
Android add placeholder text to EditText
...ns=".."/>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/container" android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</LinearLayout>
FrameLayout layout = (FrameLayout) findViewById(R.id.container...
Is it a good idea to use Google Guava library for Android development?
...
I was curious about Guava & APK size. Simple testing revealed the following: "Hello world" & not much else (debug): 27KB; "Hello world" with Guava (15.0) dependency and minor Guava usage (debug): 705KB; the same, release build, optimised with ProGua...
Change drawable color programmatically
...ding="utf-8"?>
<bitmap
xmlns:android="http://schemas.android.com/apk/res/android"
android:src="@drawable/ic_back"
android:tint="@color/red_tint"/>
This will work for you if you have a limited number of colors you want to use on your drawables. Check out my blog post for more i...
Wget output document and headers to STDOUT
...
@ChristianBongiorno You can install a proper wget with apk add wget, otherwise only a busybox version is used.
– AndreKR
Jan 28 '19 at 18:33
add a comment
...
What Product Flavor does Android Studio build by default in build.gradle?
...r(s) and build types. You can only deploy variants. You can never build an apk that's only a flavor.
– Xavier Ducrohet
Dec 23 '13 at 18:20
5
...
keytool error Keystore was tampered with, or password was incorrect
...assword and others data, I gave. But still now, when I try to build signed apk, it shows the same error message -"Keystore was tampered with, or password was incorrect " What's the problem here?
– user9414536
Mar 14 '18 at 20:19
...
How to fix: android.app.RemoteServiceException: Bad notification posted from package *: Couldn't cre
...evices may fail to find it.
So the step is as following:
Decompile the apk file and in res/values find the public.xml and ids.xml
Find all resources related to RemoteView in your app and copy them ( strings, dimen, drawable, layout, id, color... )
Create public.xml and ids.xml under res/values i...
CDN（内容分发网络）技术原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...，更深刻理解CDN的具体工作过程。
Linux 是开放源代码的免费操作系统，已经成功应用于许多关键领域。Bind是Unix/FreeBSD/Linux等类Unix平台上非常有名DNS服务程序，Internet上超过60％的DNS运行的是bind。Bind的最新版本是9.x，用的比较...