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Preview an image before it is uploaded
...
}
reader.readAsDataURL(input.files[0]); // convert to base64 string
}
}
$("#imgInp").change(function() {
readURL(this);
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<form runat="server">
<input type...
how to convert from int to char*?
...er to a nul-terminated base-10 representation. 10 isn't enough for -2147483647.
– Steve Jessop
Jun 1 '12 at 9:12
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How to install the current version of Go in Ubuntu Precise
...n
which outputs in my case (Ubuntu precise)
go version go1.1.1 linux/amd64
From there just export the settings you're gonna need to bash_rc or equivalent:
export GOROOT=/usr/lib/go
export GOBIN=/usr/bin/go
share
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How can one print a size_t variable portably using the printf family?
...Rosenfield
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Where does Visual Studio look for C++ header files?
...Rosenfield
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list.clear() vs list = new ArrayList(); [duplicate]
... @RMT : Answer sounds unarguable.
– theapache64
May 20 '16 at 10:32
Sure, if the list is big or not, a clear h...
推荐系统算法初探 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...充满文艺细胞的音乐发烧友，你会答这个：
如果你是位活跃在各大社交平台的点赞狂魔，你会答这个：
没错，猜你喜欢、个性歌单、热点微博，这些都是推荐系统的输出内容。从这些我们就可以总结出，推荐系统到底是做...
Choosing the default value of an Enum type without having to change values
...xception of type 'System.NullReferenceException' occurred in MyProjectName.dll but was not handled in user code. Additional information: Object reference not set to an instance of an object." error. How to fix it? Note: I use an extension method in order to display enum's Descriptions, but not sure ...
How fast is D compared to C++?
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64
To enable all optimizations and disable all safety checks, compile your D program with the foll...
Objective-C : BOOL vs bool
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From the definition in objc.h:
#if (TARGET_OS_IPHONE && __LP64__) || TARGET_OS_WATCH
typedef bool BOOL;
#else
typedef signed char BOOL;
// BOOL is explicitly signed so @encode(BOOL) == "c" rather than "C"
// even if -funsigned-char is used.
#endif
#define YES ((BOOL)1)
#define NO...