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Can\'t locate Switch.pm in @INC 的解决方法 - 操作系统(内核) - 清泛网 -...
...行时报错Can& 39;t locate Switch pm in @INC ，原因是Perl默认没有安装Switch模块，需要自行安装。安装方法：1、通过包管理器安装：sudo ap 在Perl脚本中使用switch语法，执行时报错“Can't locate Switch.pm in @INC ”，原因是Perl默认没有安装Swit...
Android selector & text color
...oding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_pressed="true"
android:color="#000000" /> <!-- pressed -->
<item android:state_focused="true"
android:color="#000000" /> <!-- focus...
Using build types in Gradle to run same app that uses ContentProvider on one device
..."?>
<account-authenticator xmlns:android="http://schemas.android.com/apk/res/android"
android:accountType="@string/account_type"
android:icon="@drawable/ic_launcher"
android:smallIcon="@drawable/ic_launcher"
...
Animate the transition between fragments
...fade_in.xml:
<objectAnimator xmlns:android="http://schemas.android.com/apk/res/android"
android:interpolator="@android:interpolator/accelerate_quad"
android:valueFrom="0"
android:valueTo="1"
android:propertyName="alpha"
android:duration="@android:integer/config_mediumAnimTime...
Declaring a custom android UI element using XML
...l
Include the namespace declaration xmlns:app="http://schemas.android.com/apk/res-auto" in the top level xml element. Namespaces provide a method to avoid the conflicts that sometimes occur when different schemas use the same element names (see this article for more info). The URL is simply a manne...
How can I create a keystore?
... follow these steps:
1- On the menu bar, click Build > Generate Signed APK.
2-On the Generate Signed APK Wizard window, click Create new to create a new keystore.
If you already have a keystore, go to step 4.
3- On the New Key Store window, provide the required information as shown in figu...
Mipmap drawables for icons
...tinct uses of mipmaps:
For launcher icons when building density specific APKs. Some developers build separate APKs for every density, to keep the APK size down. However some launchers (shipped with some devices, or available on the Play Store) use larger icon sizes than the standard 48dp. Launcher...
How to implement a ViewPager with different Fragments / Layouts
...id.support.v4.view.ViewPager
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="@+id/viewPager"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
/>
The Fragment classes, FirstFr...
MFC MDI切换menu原理 - C/C++ - 清泛网 - 专注C/C++及内核技术
...它创建了菜单资源（使用IDR_MAINFRAME作为其资源id。此菜单显示在所有时间SDI应用程序，并且仅在...当应用程序向导生成的 SDI 或 MDI 应用程序时，它创建了菜单资源 （使用 IDR_MAINFRAME 作为其资源 id。此菜单显示在所有时间 SDI 应...
c/c++浮点输出时，不显示小数点后没用的0 - C/C++ - 清泛网 - 专注C/C++及内核技术
c/c++浮点输出时，不显示小数点后没用的0用%g格式符就可以了。%g用来输出实数，它根据数值的大小，自动选f格式或e格式（选择输出时占宽度较小的一种），且不输出无意义的0。即%g是 用%g格式符就可以了。%g用来输出实数，...