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Call Go functions from C
... can assign it its own type:
type ProgressHandler func(current, total uint64, userdata interface{}) int
This handler takes some progress info (current number of files received and total number of files) along with an interface{} value which can hold anything the user needs it to hold.
Now we nee...
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize
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Compatibility Guide for JDK 8 says that in Java 8 the command line flag MaxPermSize has been re...
CSS table layout: why does table-row not accept a margin?
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Vadim Ovchinnikov
9,92644 gold badges3939 silver badges6969 bronze badges
answered Apr 4 '13 at 0:09
MuffinTheManMuffinTheM...
Xcode iOS project only shows “My Mac 64-bit” but not simulator or device
This just started happening that my iOS project is only showing "My Mac 64-bit" rather than the Simulator or my iPhone to build to. I have no idea why this is happening. I do not think that I have changed anything.
...
十年磨一“饼” 一个70后连续创业者的心路历程 - 资讯 - 清泛网 - 专注C/C+...
...欣然以超千万的估值投资了“货元甲”。2个月后，另一位浙商，长江商学院七期、资深茶文化投资人及杭州丝里伯睡眠科技有限公司创始股东张烨飞先生跟投了“货元甲”。这是缘分也是信任，没有收条、没有合约，就是这么...
Is calculating an MD5 hash less CPU intensive than SHA family functions?
...de:
MD5 411
SHA-1 218
SHA-256 118
SHA-512 46
and this in 64-bit mode:
MD5 407
SHA-1 312
SHA-256 148
SHA-512 189
Figures are in megabytes per second, for a "long" message (this is what you get for messages longer than 8 kB). This is with sphlib, a library of hash fu...
Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?
... follow the example from Agner:
Assume each set has 4 lines, each holding 64 bytes. We first attempt to read the address 0x2710, which goes in set 28. And then we also attempt to read addresses 0x2F00, 0x3700, 0x3F00 and 0x4700. All of these belong to the same set. Before reading 0x4700, all lines ...
Removing packages installed with go get
...nder $GOPATH/pkg/<architecture>, for example: $GOPATH/pkg/windows_amd64.
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Intel SMID指令集编译错误: inlining failed in call to always_inline \'x...
...CPU指令集优化代码的时候，编译出错，报错如下： usr lib64 gcc x86_64-suse-linux 7 include avx2intrin h:252:1: error: inlining failed in call to always_i 最近在使用CPU指令集优化代码的时候，编译出错，报错如下：
/usr/lib64/gcc/x86_64-suse-linux/7/includ...
AppInventor2拍照的照片Base64编码报错，选择的图片没有问题 - App应用开发...
完整代码块如下：
这是在真机上测试的：
Pursuer丶:
AI伴侣测试一样的错
应该是文件没读到 fis为空
然后后用用null.compress 报错了
我用FileTool那个插件 现把文件拷贝出来 然后再调用 就可以了。
具体实现步骤...