libcurl | 易学教程

XAMPP and cURL not working, after uncommenting php.ini

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来源： https://stackoverflow.com/questions/9775259/xampp-and-curl-not-working-after-uncommenting-php-ini

XAMPP and cURL not working, after uncommenting php.ini

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来源： https://stackoverflow.com/questions/9775259/xampp-and-curl-not-working-after-uncommenting-php-ini

Error: Project “$(SolutionDir)externals\curl\projects\Windows\VC15\lib\libcurl.vcxproj” could not be found

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来源： https://stackoverflow.com/questions/63071844/error-project-solutiondirexternals-curl-projects-windows-vc15-lib-libcurl-v

Getting an empty CSV when downloading from URL in Cpp

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问题 My goal is to get a CSV or XLS from a specific URL using Cpp. When opening the following link http://www.centrodeinformacao.ren.pt/userControls/GetExcel.aspx?T=CRG&P=01-01-2007&variation=PT , can see in Browser tools a 302 redirect and the file being actually downloaded from the following URL http://www.centrodeinformacao.ren.pt/_layouts/CI.GetExcel/SafeGetExcel.aspx?T=CRG&P=02-01-2007&variation=PT as shown in the next image (Request URL) If I go to any of the two links manually, the a .xls

Getting an empty CSV when downloading from URL in Cpp

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Getting an empty CSV when downloading from URL in Cpp

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Getting an empty CSV when downloading from URL in Cpp

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undefined reference to curl_global_init, curl_easy_init and other function(C)

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问题 I am trying to use Curl in C. I visited Curl official page, and copied sample source code. below is the link: http://curl.haxx.se/libcurl/c/sepheaders.html when I run this code with command "gcc test.c", the console shows message like below. /tmp/cc1vsivQ.o: In function `main': test.c:(.text+0xe1): undefined reference to `curl_global_init' test.c:(.text+0xe6): undefined reference to `curl_easy_init' test.c:(.text+0x10c): undefined reference to `curl_easy_setopt' test.c:(.text+0x12e):

undefined reference to curl_global_init, curl_easy_init and other function(C)

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Lua的文件操作

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先简单介绍一下被迫使用Lua的IO的情境：游戏支持玩家自定义上传头像，在排行榜中会显示玩家列表（包括本服、跨服），原有的做法是先检测CCUserDefault中是否存在指定图片的key以及它的状态。然后在下载头像、下载完成后设置对应的状态。这样导致的一个问题就是CCUserDefault的读写完全失效了。整个游戏下载的补丁包判断和其它判断就完全失效了，不得卸载游戏后重装。个人目前的推测是由于多线程引起的，暂时没有有效的依据下载头像使用的是libcurl，嗯，又是它，在做项目这么久的过程中，发现它其实有很多地方比较坑。其中有一点我一直没搞明白，同样的一样地址，系统自带的浏览器（IOS、Android均支持）就能正常返回，而游戏中使用libcurl去下载就是死活返回errcode 28 (CURLE_OPERATION_TIMEDOUT)，libcurl我设置的是60秒超时，绝对足够了之后我做了优化，在设置自定义头像的时候，先检测本地是否有该文件，如果有直接就设置了，如果没有就放置在加载队列中，等下载完成后再设置头像，只开一条线程去下载图片。（同一张头像的url只请求一次，也避免对CCUserDefault的读写操作）。通过libcurl下载一个“头像id.jpg.partial”的文件，然后下载完成重新写一个“头像id.jpg”的文件。在下载完成的时候