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MySQL DISTINCT on a GROUP_CONCAT()
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Shree
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answered Apr 2 '19 at 10:55
Goshika MaheshGoshika Mahesh
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Dynamically load a JavaScript file
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You may write dynamic script tags (using Prototype):
new Element("script", {src: "myBigCodeLib...
What is the cleanest way to disable CSS transition effects temporarily?
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Mark AmeryMark Amery
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Best way to compare two complex objects
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Serialize both objects and compare the resulting strings
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error: use of deleted function
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Bo PerssonBo Persson
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a...
Setting an int to Infinity in C++
...:numeric_limits<int>::max();
Which would be 2^31 - 1 (or 2 147 483 647) if int is 32 bits wide on your implementation.
If you really need infinity, use a floating point number type, like float or double. You can then get infinity with:
double a = std::numeric_limits<double>::infinity...
搭建高可用mongodb集群（二）—— 副本集 - 大数据 & AI - 清泛网 - 专注C/...
...装程序包
wget http://fastdl.mongodb.org/linux/mongodb-linux-x86_64-2.4.8.tgz
注意linux生产环境不能安装32位的mongodb，因为32位受限于操作系统最大2G的文件限制。
#解压下载的压缩包
tar xvzf mongodb-linux-x86_64-2.4.8.tgz
4、分别在每...
What’s the best way to check if a file exists in C++? (cross platform)
...is not C++ standard though, but POSIX.
On MS Windows there is _stat, _stat64, _stati64, _wstat, _wstat64, _wstati64.
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VSTS 2010 SGEN : error : Could not load file or assembly (Exception from HRESULT: 0x80131515)
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Note that if it's a 64 bit machine you need to create under ...\Bin\NETFX 4.0 Tools\x64\
– Vivek Ayer
Oct 21 '13 at 8:36
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Access to the path is denied
...the file name.
Old Code
File.WriteAllBytes(@"E:\Folder", Convert.FromBase64String(Base64String));
Working Code
File.WriteAllBytes(@"E:\Folder\"+ fileName, Convert.FromBase64String(Base64String));
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