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RSS订阅原创 python有用代码合集 旋转图像/base64图像编码/json序列化/request爬取网页等
本文首发于个人博客https://kezunlin.me/post/77697d8d/，欢迎阅读最新内容！python useful tools and code snippetsGuideflipimport cv2image = cv2.imread("demo.jpg")# Flipped Horizontally 水平翻转h_flip = cv2.flip(image, ...
2019-12-31 17:50:14
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原创 C 中自定义类2种自增运算的代码实现和区别
本文首发于个人博客https://kezunlin.me/post/caef83a3/，欢迎阅读最新内容！cpp i vs i for user defined classGuidecode#include <stdio.h>#include <stdlib.h>#include <string.h>#include <vector...
2019-12-31 17:49:12
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原创 如何使用resty命令行客户端和http rest服务进行交互
本文首发于个人博客https://kezunlin.me/post/4f5f98b9/，欢迎阅读最新内容！how to install and use resty command line client for interacting with rest servicesGuideinstallYou have curl, right? Okay. curl -L https:/...
2019-12-30 08:35:45
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原创 C 中如何使用CUDA进行高性能大规模矩阵乘法运算？
本文首发于个人博客https://kezunlin.me/post/ad5c5bd9/，欢迎阅读最新内容！cublasSgemm for large matrix multiplication on gpu in C GuidePart 1:cpp cuda programming tutorialPart 2: cuda activation kernelsPart 3: cubl...
2019-12-26 15:41:41
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原创 C 中如何使用CUDA自己实现常用的深度学习激活函数？
本文首发于个人博客https://kezunlin.me/post/ee123cac/，欢迎阅读最新内容！how to implement deep learning activation kernels with cuda in c GuidePart 1:cpp cuda programming tutorialPart 2: cuda activation kernelsPar...
2019-12-25 16:16:16
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原创 caffe和pytorch如何从文件file和流stream中导入模型？| load model from file and stream for caffe and pytorch
本文首发于个人博客https://kezunlin.me/post/5898412/，欢迎阅读最新内容！load model from file and stream for caffe and pytorchGuidecaffeload from fileenum caffe::Phase phase = caffe::Phase::TEST;std::string proto_...
2019-12-23 08:10:02
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原创 如何在动态链接库dll/so中导出自定义的模板类template class
本文首发于个人博客https://kezunlin.me/post/4ec4ae49/，欢迎阅读最新内容！how to implement a template class with c and export in dll/soGuidequestions模板类必须在header中实现，而不能在cpp中实现，否则作为dll调用进行链接的时候回出错。common solut...
2019-12-20 08:14:41
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原创 5种智能指针指向数组的方法| 5 methods for c shared_ptr point to an array
本文首发于个人博客https://kezunlin.me/post/b82753fc/，欢迎阅读最新内容！5 methods for c shared_ptr point to an arrayGuideshared_ptrPrior to C 17, shared_ptr could not be used to manage dynamically allocated arra...
2019-12-19 12:49:57
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原创 nlohmann 最优秀的C 序列化工具库 详细入门教程
本文首发于个人博客https://kezunlin.me/post/f3c3eb8/，欢迎阅读最新内容！tutorial to use nlohmann json for serializing data with modern cppGuideinclude#include <nlohmann/json.hpp>// for convenienceusing json...
2019-12-18 09:57:49
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原创 C 如何用百行代码实现线程安全的并发队列 | concurrent queue or blocking queue implemented in cpp
本文首发于个人博客https://kezunlin.me/post/cabccf5c/，欢迎阅读最新内容！concurrent queue or blocking queue implemented in cppGuideintroductionWhere produce-consumer pattern is present it is often the case that one ...
2019-12-17 08:10:52
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原创 你的首个golang语言详细入门教程 | your first golang tutorial
本文首发于个人博客https://kezunlin.me/post/a0fb7f06/，欢迎阅读最新内容！your first golang tutorialgo tutorialversions:go: 1.13.1install wget https://dl.google.com/go/go1.13.1.linux-amd64.tar.gz sudo t...
2019-12-16 09:06:48
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原创 如何使用1行代码让你的C 程序控制台输出彩色log信息
本文首发于个人博客https://kezunlin.me/post/a201e11b/，欢迎阅读最新内容！colorwheel for colored print and trace for cpp programsGuideinstall sudo wget -O /usr/include/colorwheel.h https://raw.githubusercontent.c...
2019-12-13 08:24:35
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原创 C 如何使用宏定义来简化代码性能测试 | cpp macro like function to implement a performance profiler
本文首发于个人博客https://kezunlin.me/post/65dc693d/，欢迎阅读最新内容！cpp macro like function to implement a performance profilerGuidemacro expansionsname ===> quote as strings "xxx"name, name ===> xxxa ##...
2019-12-12 08:04:07
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原创 ubuntu上编译和使用easy_profiler对C 程序进行性能分析
本文首发于个人博客https://kezunlin.me/post/91b7cf13/，欢迎阅读最新内容！tutorial to compile and use esay profiler with c on ubuntu 16.04Guidecompile git clone https://github.com/yse/easy_profiler.git cd e...
2019-12-11 08:12:29
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原创 使用opencv和numpy实现矩阵相乘和按元素相乘 matrix multiplication vs element-wise multiplication
本文首发于个人博客https://kezunlin.me/post/1e37a6/，欢迎阅读最新内容！opencv and numpy matrix multiplication vs element-wise multiplicationGuideopencvMatrix multiplication is where two matrices are multiplied direc...
2019-12-10 08:55:00
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原创 flask的模板引擎jinja入门教程 包含一个通过网络实时传输Video视频流的示例
本文首发于个人博客https://kezunlin.me/post/1e37a6/，欢迎阅读最新内容！tutorial to use python flask jinja templates and a realtime video demoGuideJinja delimitersThe default Jinja delimiters are configured as follow...
2019-12-09 08:10:33
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原创 pymongo和mongoengine安装和使用教程 包含常用命令行和代码示例
本文首发于个人博客https://kezunlin.me/post/e88f04e5/，欢迎阅读最新内容！pymongo and mongoengine tutorial on ubuntu 16.04Guideversionmongo 2.6.10mongo gui: robo3t-1.3.1pymongo 3.9.0MongoEngine 0.18.2install ...
2019-12-07 09:22:32
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原创 C# 如何添加自定义键盘处理事件 如何配置app.config ? | csharp key press event tutorial and app.config
本文首发于个人博客https://kezunlin.me/post/9f24ebb5/，欢迎阅读最新内容！csharp key press event tutorial and app.configGuideMainForm protected override bool ProcessCmdKey(ref Message msg, Keys keyData) { ...
2019-12-06 08:15:52
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原创 keras RAdam优化器使用教程， keras加载模型包含自定义优化器报错 如何解决？
本文首发于个人博客https://kezunlin.me/post/c691f02b/，欢迎阅读最新内容！python keras RAdam tutorial and load custom optimizer with CustomObjectScopeRAdamusageimport kerasimport numpy as npfrom keras_radam import ...
2019-12-05 08:22:08
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原创 keras EfficientNet介绍，在ImageNet任务上涨点明显 | keras efficientnet introduction
本文首发于个人博客https://kezunlin.me/post/88fbc049/，欢迎阅读最新内容！keras efficientnet introductionGuideAbout EfficientNet Modelscompared with resnet50, EfficientNet-B4 improves the top-1 accuracy from 76.3% ...
2019-12-04 08:11:23
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原创 C# 使用Json.NET对数据进行序列化和反序列化
本文首发于个人博客https://kezunlin.me/post/22391aa3/，欢迎阅读最新内容！c# json serialize and deserialize using json.net JsonConvertGuideJson.NETJsonConvert.SerializeObjectJsonConvert.DeserializeObjectinstall...
2019-12-03 11:04:23
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原创 keras对图像数据进行增强 | keras data augmentation
本文首发于个人博客https://kezunlin.me/post/8db507ff/，欢迎阅读最新内容！keras data augmentationGuidecode# import the necessary packagesfrom keras.preprocessing.image import ImageDataGeneratorfrom keras.preprocess...
2019-12-02 09:21:37
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原创 keras使用多GPU并行训练模型 | keras multi gpu training
本文首发于个人博客https://kezunlin.me/post/95370db7/，欢迎阅读最新内容！keras multi gpu trainingGuidemultigpumodelimport tensorflow as tffrom keras.applications import Xceptionfrom keras.utils import multi_gpu_mo...
2019-11-30 10:32:31
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原创 ubuntu 16.04上源码编译和安装cgal并编写CMakeLists.txt | compile and install cgal on ubuntu 16.04
本文首发于个人博客https://kezunlin.me/post/39ab7ed9/，欢迎阅读最新内容！compile and install cgal on ubuntu 16.04Guideversion: 4.13.1install wget https://github.com/CGAL/cgal/releases/download/releases/CGAL...
2019-11-29 14:30:16
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原创 linux服务器上配置进行kaggle比赛的深度学习tensorflow keras环境详细教程
本文首发于个人博客https://kezunlin.me/post/6b505d27/，欢迎阅读最新内容！full guide tutorial to install and configure deep learning environments on linux serverQuick GuidepreparetoolsMobaXterm (for windows)ssh ...
2019-11-29 08:09:11
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原创 windows 10使用vscode进行远程代码开发 | tutorial to use vscode for remote development using ssh on windows
本文首发于个人博客https://kezunlin.me/post/c93b6ba6/，欢迎阅读最新内容！tutorial to use vscode for remote development using ssh on windowsGuideserver sudo apt-get install openssh-serverlocalinstall ssh-cli...
2019-11-28 18:44:49
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原创 Ubuntu 16.04上源码编译和安装pytorch教程，并编写C Demo CMakeLists.txt
本文首发于个人博客https://kezunlin.me/post/54e7a3d8/，欢迎阅读最新内容！tutorial to compile and use pytorch on ubuntu 16.04PyTorch for Pythoninstall pytorch from anaconda conda info --envs conda activate py...
2019-11-28 10:30:52
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原创 使用OpenCL提升OpenCV图像处理性能 | speed up opencv image processing with OpenCL
本文首发于个人博客https://kezunlin.me/post/59afd8b3/，欢迎阅读最新内容！speed up opencv image processing with OpenCLGuideOpenCL is a framework for writing programs that execute on these heterogenous platforms. The ...
2019-11-27 09:58:32
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原创 Ubuntu 16.04上anaconda安装和使用教程，安装jupyter扩展等 | anaconda tutorial on ubuntu 16.04
本文首发于个人博客https://kezunlin.me/post/23014ca5/，欢迎阅读最新内容！anaconda tutorial on ubuntu 16.04Guideversions:ubuntu 16.04conda 4.6.14python 3.7.3 (default)python 3.5.6 (env)Install Condadownload An...
2019-11-27 08:07:42
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原创 ubuntu 16.04 上编译和安装C 机器学习工具包mlpack并编写mlpack-config.cmake
本文首发于个人博客https://kezunlin.me/post/1cd6a04d/，欢迎阅读最新内容！tutorial to compile and install mplack on ubuntu 16.04Guidemlpack: a scalable C machine learning librarydependenciesArmadillo >= 6.500....
2019-11-26 08:53:51
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原创 使用OpenCV和imagezmq通过网络实时传输视频流
本文首发于个人博客https://kezunlin.me/post/b8847d9f/，欢迎阅读最新内容！live video streaming over network with opencv and imagezmqGuideimagezmq git clone https://github.com/jeffbass/imagezmq.gitimagezmq has b...
2019-11-26 08:33:32
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原创 3个例子详解C 11 中push_back 和 emplace_back差异
本文首发于个人博客https://kezunlin.me/post/b83bc460/，欢迎阅读最新内容！cpp11 pushback and emplacebackGuidecase1#include <iostream>#include <vector>class A{public: A (int x_arg) : x (x_arg) { std:...
2019-11-22 08:32:07
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原创 使用TensorRT对caffe和pytorch onnx模型进行fp32和fp16推理
本文首发于个人博客https://kezunlin.me/post/bcdfb73c/，欢迎阅读最新内容！tensorrt fp32 fp16 tutorial with caffe pytorch minist modelSeriesPart 1: install and configure tensorrt 4 on ubuntu 16.04Part 2: tensorrt fp3...
2019-11-20 10:21:48
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原创 python gui tkinter快速入门教程 | python tkinter tutorial
本文首发于个人博客https://kezunlin.me/post/d5c57f56/，欢迎阅读最新内容！python tkinter tutorialGuidemain uimessagebox- showinfo()- showwarning()- showerror()- askquestion()- askokcancel()- askyesno()- askre...
2019-11-19 17:46:41
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原创 使用OpenMP加快OpenCV图像处理性能 | speed up opencv image processing with openmp
本文首发于个人博客https://kezunlin.me/post/7a6ba82e/，欢迎阅读!speed up opencv image processing with openmpSeriesPart 1: compile opencv on ubuntu 16.04Part 2: compile opencv with CUDA support on windows 10Pa...
2019-11-18 11:00:19
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原创 快速遍历OpenCV Mat图像数据的多种方法和性能分析 | opencv mat for loop
本文首发于个人博客https://kezunlin.me/post/61d55ab4/，欢迎阅读!opencv mat for loopSeriesPart 1: compile opencv on ubuntu 16.04Part 2: compile opencv with CUDA support on windows 10Part 3: opencv mat for loop...
2019-11-18 10:58:22
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原创 windows 10 上源码编译OpenCV并支持CUDA | compile opencv with CUDA support on windows 10
本文首发于个人博客https://kezunlin.me/post/6580691f/，欢迎阅读!compile opencv with CUDA support on windows 10SeriesPart 1: compile opencv on ubuntu 16.04Part 2: compile opencv with CUDA support on windows 10...
2019-11-18 10:45:02
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原创 caffe网络在多线程中无法使用GPU的解决方案 | cpp caffe net run in multiple threads
本文首发于个人博客https://kezunlin.me/post/8d877e63/，欢迎阅读!cpp caffe net run in multiple threadsGuideset_modeCaffe fails to use GPU in a new thread ？？？see here the `Caffe::mode_` variable that controls...
2019-11-18 10:23:18
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原创 使用boost实现线程池thread pool | boost thread pool example
本文首发于个人博客https://kezunlin.me/post/f241bd30/，欢迎阅读!boost thread pool exampleGuideboost thread pool example with cpp codecode example#include <iostream> //std::cout std::endl#include <...
2019-11-18 10:12:54
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原创 ubuntu 16.04源码编译和配置caffe详细教程 | Install and Configure Caffe on ubuntu 16.04
本文首发于个人博客https://kezunlin.me/post/b90033a9/，欢迎阅读!Install and Configure Caffe on ubuntu 16.04SeriesPart 1: Install and Configure Caffe on windows 10Part 2: Install and Configure Caffe on ubuntu 1...
2019-11-18 10:10:48
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