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各编程语言读写文件汇总 - C/C++ - 清泛网 - 专注C/C++及内核技术
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一、PHP
二、C#
三、C
3.1、fgets、fputs文本读写
3.2、fread、fwrite二进制读写
四、C++
五、Java
PHP读写文件：
// 写文件
$fp = fopen("log.txt", "a");
fwrite($fp, $str);
fclose($fp);
// 读文件
$fp = fopen("log.txt", "r");...
no gravity for scrollview. how to make content inside scrollview as center
...="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<ScrollView
android:id="@+id/scrollView1"
android:layout_width="fill_parent"
android:layout_h...
How to make a smooth image rotation in Android?
...f-8"?>
<linearInterpolator xmlns:android="http://schemas.android.com/apk/res/android" />
And add to your animation XML:
android:interpolator="@anim/linear_interpolator"
Special Note: If your rotate animation is inside a set, setting the interpolator does not seem to work. Making the ro...
Android: Want to set custom fonts for whole application not runtime
...utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:custom="http://schemas.android.com/apk/res/com.yourpackage.name"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<com...
Can I draw rectangle in XML?
... encoding="UTF-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/listview_background_shape">
<stroke android:width="2dp" android:color="#ff207d94" />
<padding android:left="2dp"
android:top="2dp"
android:right="2dp"
...
Problems with pip install numpy - RuntimeError: Broken toolchain: cannot link a simple C program
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For Docker (Alpine) and Python 3.x this worked for me:
RUN apk update
RUN apk add make automake gcc g++ subversion python3-dev
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How to change background color in android app
...in this case):
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/container"
android:layout_width="match_parent"
android:layout_height="match_parent">
...
</LinearLayout>
Paschalis and James, who rep...
How to list files in an android directory?
...e AssetManager lists files within the assets folder that is inside of your APK file. So what you're trying to list in your example above is [apk]/assets/sdcard/Pictures.
If you put some pictures within the assets folder inside of your application, and they were in the Pictures directory, you would ...
RuntimeException: Unable to instantiate application
...rbose error message raised by underlying framework when dalvik re-install .apk file and trying to reuse or recycle the previous opened activity/view from the same package (if you haven't closed the previous installed app yet). It has nothing to do with your app, moreover, it is very unlikely that yo...
How to deal with INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES without uninstall?
I tried to reinstall an apk
16 Answers
16
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