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Convert blob to base64
...
function bufferToBinaryString(arrayBuffer){
return String.fromCharCode(...new Uint8Array(arrayBuffer));
}
(async () => console.log(btoa(bufferToBinaryString(await new Response(blob).arrayBuffer()))))();
or
function bufferToBinaryString(arrayBuff...
Get the name of an object's type
...use the constructor property to test the type of the object like so:
var myArray = [1,2,3];
(myArray.constructor == Array); // true
So, that works well enough for most needs. That said...
Caveats
Will not work AT ALL in many cases
This pattern, though broken, is quite common:
function Thingy() {
}
...
Creating a constant Dictionary in C#
...Dictionary<string, string[]>()
{
{ "Reference1", Array1 },
{ "Reference2", Array2 },
{ "Reference3", Array3 },
{ "Reference4", Array4 },
{ "Reference5", Array5 }
};
...
Passing multiple error classes to ruby's rescue clause in a DRY fashion
...
You can use an array with the splat operator *.
EXCEPTIONS = [FooException, BarException]
begin
a = rand
if a > 0.5
raise FooException
else
raise BarException
end
rescue *EXCEPTIONS
puts "rescued!"
end
If you are go...
Web安全测试之XSS - 更多技术 - 清泛网 - 专注C/C++及内核技术
...览器会阻止XSS。 例如下图
如果需要做测试, 最好使用IE7。
ASP.NET中的XSS安全机制
ASP.NET中有防范XSS的机制,对提交的表单会自动检查是否存在XSS,当用户试图输入XSS代码的时候,ASP.NET会抛出一个错误如下图
很多程序...
How to free memory in Java?
...ived object (or possibly from a static var). Eg, if you have a long-lived array of large objects, and you cease using one of those objects, you should set the array reference to null to make the object available for GC.
– Hot Licks
Jan 25 '14 at 21:02
...
Pythonic way to find maximum value and its index in a list?
...Sven-Marnach Would numpy be faster, if I had to convert my list to a numpy array first? Would it be faster for the simple example [0,1,0]?
– tommy.carstensen
Sep 8 '13 at 23:33
1
...
What is the “__v” field in Mongoose
...s only incremented after operations that could cause a conflict, modifying array positions. Other updates won't increment it. The original release post explains it in detail: aaronheckmann.tumblr.com/post/48943525537/…
– Ricardo Tomasi
Sep 12 '13 at 19:04
...
How to remove all rows in a numpy.ndarray that contain non-numeric values
Basically, I'm doing some data analysis. I read in a dataset as a numpy.ndarray and some of the values are missing (either by just not being there, being NaN , or by being a string written " NA ").
...
Get PHP class property by string
...ho $obj->$prop;
Or, if you have control over the class, implement the ArrayAccess interface and just do this
echo $obj['Name'];
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