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原创 A problem occurred starting process “aarch64-linux-android-strip‘
* What went wrong:Execution failed for task ':opencv_android_3.4.0:transformNativeLibsWithStripDebugSymbolForRelease'.> A problem occurred starting process 'command '/home/wangpan6/android-sdk_r24.4.1-linux/android-sdk-linux/android-ndk-r21e/toolchain
2022-04-16 21:39:58
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原创 Gitlab管理项目页面报错:An error occurred while loading commit signatures
chrome访问gitlab时,报错An error occurred while loading commit signatures, 查了很多资料, 基本都是一个答案, 有代理需要关掉. 而且很多网页都是拷贝来拷贝去, 结果没有解决我的问题.一怒之下, 把chrome恢复设置, 结果可以了.chrome右上角, 设置-高级-重置并清理,将设置还原为原始默认设置即可....
2022-03-08 13:07:22
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原创 ubuntu18 vi编辑器方向键错乱
1.编辑vimrc.tiny 文件 vi /etc/vim/vimrc.tiny2.修改下述内容 修改set compatible 为 set nocompatible 添加set backspace=2结果如图:
2022-02-22 18:28:39
363
原创 ubuntu挂载硬盘权限问题
sudo chown $USER:$USER /mnt/stuffpermissions - Can't write to mounted ext4 hard drive in Ubuntu 18.04 - Ask Ubuntu两块硬盘,除了系统盘,另外一块硬盘访问报出没有权限。
2022-02-18 20:08:38
1939
原创 升级Android Studio的坑
又没事手残,升级了下AS,导致工程编译不过。想着那我就不升级了,怎么降级到之前的版本呢?我试了下面的方法,成功了,开心。。。上面的两个下拉框可以选择任意的版本进行更新。
2021-10-12 16:30:30
279
原创 ubuntu16.04 virtualbox虚拟机安装win10
1,参考https://blog.youkuaiyun.com/jdliyao/article/details/806118132,下载win10镜像https://www.microsoft.com/zh-cn/software-download/windows10ISO/3,在虚拟机里win10里面,映射网络驱动器时,填写文件夹路径时,可以直接写自己的ubuntu系统ip地址,例如\\ubuntu系统的ip地址\共享文件夹名称...
2021-04-15 17:08:06
370
原创 win10子系统ubuntu WSL下无法用git下载代码
WSL下,终端使用git clone工程代码,报错如下:ssh: Could not resolve hostname xxx: Name or service not knownping xxx也看不到ip地址。打开一个windows cmd终端,ping xxx可以正常返回数据,也可以看到ip地址。拷贝ip地址,到WSL下,sudo vi /etc/hosts最后一行添加刚才在windows下ping命令返回的ip,后面跟上域名。比如:110.242.68.4 www.bai
2021-01-10 18:11:41
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原创 Android Studio 3.6+ 版本编译后不能自动安装问题
https://www.jianshu.com/p/cccf932781d9不知道什么时候升级了AndroidStudio3.6.3,不知道什么时候发现某个工程在编译后不能自动安装app了。参考上面链接的方法,把工程最外层build.gradle里面gradle插件版本改为3.0以上,问题解决!...
2020-12-15 09:56:30
891
原创 windows10 子系统ubuntu WSL中ADB工具无法识别设备
首先保证windows系统下,adb devices可以发现设备。记录下我遇到这个问题的解决方法:在windows下(注意是在windows下),执行adb kill-server;adb start-server;此时,adb devices可以看到设备才行。再在Ubuntu子系统下,adb devices应该就可以看到设备了。...
2020-11-15 11:09:38
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原创 undefined reference to `vtable for xxx`
查了很多资料,报这个错误意思是某些虚函数没有实现。遇到这个报错,搞了半天,发现析构函数忘记写括号了。
2020-11-04 16:23:58
110
原创 C++调试技巧:查看某个方法调用堆栈
Application.mk 文件,加入下面的代码:APP_CPPFLAGS += -fexceptions在想知道调用顺序的方法里,随便抛出一个异常。如:throwthrow "Division by zero condition!";https://blog.youkuaiyun.com/jacke121/article/details/106573718...
2020-09-08 19:10:12
1159
原创 .externalNativeBuild/cmake/release/arm64-v8a/android_gradle_build.json (No such file or directory)
gradle 命令后添加--rerun-tasks参数
2020-06-04 10:15:54
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原创 安装glib2.0
QHow to install GLib 2.0Asudo apt-get install glib2.0 -yQwhat is the source code used for Glib?AGLib is a cross-platform bundle of low-level system libraries written in C and developed by GNOMEQWhat are its essntial features for Glib?A
2020-05-26 14:02:24
928
原创 mmintrin.h:47:5: error: use of undeclared identifier '__builtin_ia32_emms'
/home/wangpan/Android/Sdk/ndk-bundle/toolchains/llvm/prebuilt/linux-x86_64/lib64/clang/6.0.2/include/mmintrin.h:47:5: error: use of undeclared identifier '__builtin_ia32_emms'; did you mean '__b...
2020-02-11 09:49:34
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原创 cmake gcc target specific option mismatch
/usr/lib/gcc/x86_64-linux-gnu/8/include/tmmintrin.h:40:1: error: inlining failed in call to always_inline ‘__m128i _mm_hadd_epi16(__m128i, __m128i)’: target specific option mismatch_mm_hadd_epi16 (_...
2020-02-08 11:27:31
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原创 ubuntu16.04安装截图工具flameshot
参考:https://www.e-learn.cn/content/qita/2084351https://mithun.co/software/install-flameshot-on-ubuntu-16-04/步骤:1,git clone https://github.com/lupoDharkael/flameshot2,cd flameshot &&...
2020-02-06 12:02:56
832
原创 undefined reference to `png_set_longjmp_fn'
/home/wangpan/work/gitnew/opencv_demo/opencv-3.4.2/linux/lib/libopencv_imgcodecs.a(grfmt_png.cpp.o): In function `cv::PngEncoder::write(cv::Mat const&, std::vector<int, std::allocator<int>...
2020-02-05 17:10:33
2836
原创 ubuntu 安装错误 : E: Unmet dependencies.
解决方法:sudo apt-get --fix-broken install
2020-02-04 12:07:51
950
原创 使用tensorboard查看模型结构时报错NodeDef mentions attr 'explicit_paddings'
WARNING:tensorflow:From pb.py:7: __init__ (from tensorflow.python.platform.gfile) is deprecated and will be removed in a future version.Instructions for updating:Use tf.gfile.GFile.Traceback (most ...
2019-08-21 11:11:04
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原创 C_INCLUDES must be under the source or output directories:
https://blog.youkuaiyun.com/cigogo/article/details/94546032参考了上面大神的链接,发现设置了绝对路径,改为相对路径后,正常。编译报错:LOCAL_PATH := $(abspath $(call my-dir)/../..)CAMX_CHICDK_PATH := $(abspath $(LOCAL_PATH)/../../..)正常...
2019-07-23 10:27:55
4635
原创 Android.mk的ifeq语句小细节
Android.mk:9: *** missing separator. Stop.ifeq($(TARGET_ARCH_ABI), arm64-v8a) 错误ifeq ($(TARGET_ARCH_ABI), arm64-v8a)正确这之间只差一个空格,ifeq后面一定要加一个空格。...
2019-07-04 14:14:02
3656
转载 Please select Android SDK
https://www.jianshu.com/p/0fb5a857662e?from=timeline编译后,运行右侧有×;错误提示Please select Android SDK解决方案:一路next,next,finished;ok!
2019-04-10 17:12:38
180
转载 useradd和adduser的区别
https://www.cnblogs.com/clover-siyecao/p/5573642.htmluseradd和adduser的区别添加用户:useradd -m 用户名 然后设置密码 passwd 用户名删除用户:userdel -r 用户名1. 在root权限下,useradd只是创建了一个用户名,如 (useradd +用户名 ),它并没有在/...
2019-04-09 15:03:59
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原创 android studio build报错error: undefined reference to 'std::
Error:error: undefined reference to 'std::logic_error::logic_error(char const*)'Error:error: undefined reference to 'std::logic_error::logic_error(char const*)'Error:error: undefined reference to 's...
2019-03-14 15:10:36
12047
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原创 gradle clean报错Could not find manifest-merger.jar
wangpan@wangpan-OptiPlex-7050:~/work/gitnew/camera-bokeh/bokeh_android$ gradle cleanFAILURE: Build failed with an exception.* What went wrong:A problem occurred configuring root project 'bokeh_an...
2019-03-12 17:58:10
1220
原创 运行python脚本时报错No module named cv2
以下方法,在ubuntu16.04亲测通过wangpan@wangpan-OptiPlex-7050:~$ pip install opencv-pythonCollecting opencv-python Downloading https://files.pythonhosted.org/packages/e8/04/925d40d1aca43b949453c9350345ac...
2019-03-05 08:45:58
1623
原创 升级gcc
http://tuxamito.com/wiki/index.php/Installing_newer_GCC_versions_in_Ubuntu
2018-11-06 11:41:25
213
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转载 ubuntu Files打不开
https://blog.youkuaiyun.com/papaaa/article/details/80778087命令行输入:killall nautilus
2018-10-31 17:06:30
1973
转载 如何在shell脚本中实现 scp 文件的时候不手动输入密码
在shell脚本中实现 scp 文件的时候不手动输入密码的脚本如下:#!/usr/bin/expect -fset password 密码spawn scp 用户名@目标机器ip:拷贝文件的路径 存放本地文件的路径 set timeout 300 expect "用户名@目标机器ip's password:" #(注意:这里的“用户名@目标机器ip” 跟上面的一致)set ...
2018-10-19 11:36:45
4155
转载 Android中应用程序获得系统签名权限(platform.x509.pem platform.pk8)下载地址
https://android.googlesource.com/platform/build/+/donut-release/target/product/security/我用的是ubuntu16.04,点击上面的链接,点那个tgz,就可以下载到本地了。
2018-09-29 11:55:01
7951
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原创 Android Studio报错:Re-download dependencies and sync project (requires network)
Error:Failed to open zip file. Gradle's dependency cache may be corrupt (this sometimes occurs after a network connection timeout.) Re-download dependencies and sync project (requires network) Re-down...
2018-08-21 16:22:27
2026
转载 adb devices no permissions
no permissions (user in plugdev group; are your udev rules wrong?); see [http://developer.android.com/tools/device.html]参考:https://blog.youkuaiyun.com/binglumeng/article/details/69525361安装好adb工具之后,连接安卓设备,并开...
2018-07-05 14:31:15
731
原创 getReadableDatabase失败
07-03 17:26:44.640 20371-20371/com.wangpan.codebook D/AndroidRuntime: Shutting down VM07-03 17:26:44.649 20371-20371/com.wangpan.codebook E/AndroidRuntime: FATAL EXCEPTION: main ...
2018-07-03 18:45:03
3442
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原创 Spinner选项换行
参考:https://stackoverflow.com/questions/6107500/how-to-wrap-lengthy-text-in-a-spinnerhttps://www.cnblogs.com/sciseeker/archive/2013/03/14/2958699.html第一步,在res/layout下创建如下文件multiline_spinner
2018-05-10 09:48:02
1067
原创 cmake: /usr/local/lib/libcurl.so.4: no version information available (required by cmake)
cmake: /usr/local/lib/libcurl.so.4: no version information available (required by cmake)参考:https://stackoverflow.com/questions/30017397/error-curl-usr-local-lib-libcurl-so-4-no-version-information
2018-05-04 14:57:24
5264
原创 Keystore file xxx not found for signing config 'externalOverride'.
报这个错误,我把key store path 改为工程根目录,就好了。
2018-01-24 09:36:14
10061
转载 Linux下安装curl
https://www.cnblogs.com/suidouya/p/7387861.html亲测ubuntu16.04安装成功。步骤1)下载curl包(可以在这个网站上找最新的版本 http://curl.haxx.se/download/)wget https://curl.haxx.se/download/curl-7.55.1.tar.g
2018-01-19 11:15:47
40153
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转载 Python之requests的安装
http://blog.youkuaiyun.com/cighao/article/details/47860041 在 windows 系统下,只需要输入命令 pip install requests ,即可安装。 在 linux 系统下,只需要输入命令 sudo pip install requests ,即可安装。 注:关于python第三方库的
2018-01-19 10:55:31
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