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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...
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize
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164
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...
Removing packages installed with go get
...nder $GOPATH/pkg/<architecture>, for example: $GOPATH/pkg/windows_amd64.
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Xcode iOS project only shows “My Mac 64-bit” but not simulator or device
This just started happening that my iOS project is only showing "My Mac 64-bit" rather than the Simulator or my iPhone to build to. I have no idea why this is happening. I do not think that I have changed anything.
...
Encrypt and decrypt a string in C#?
... }
}
outStr = Convert.ToBase64String(msEncrypt.ToArray());
}
}
finally
{
// Clear the RijndaelManaged object.
if (aesAlg != null)
aesAlg.Clear();
}
// Return th...
How do I compile a Visual Studio project from the command-line?
...re many version of the msbuild.exe.
C:\Windows\Microsoft.NET\Framework64\v2.0.50727\msbuild.exe
C:\Windows\Microsoft.NET\Framework64\v3.5\msbuild.exe
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\msbuild.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\msbuild.exe
C:\Windows\Microsof...
wkhtmltopdf: cannot connect to X server
...le called wkhtmltopdf.sh and add the following:
xvfb-run -a -s "-screen 0 640x480x16" wkhtmltopdf "$@"
Move this shell script to /usr/local/bin, and set permissions:
sudo chmod a+x /usr/local/bin/wkhtmltopdf.sh
Check to see if it works once again: run
/usr/local/bin/wkhtmltopdf.sh http://www....
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...