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Convert object string to JSON
...SON.stringify(eval("(" + str + ")"));
Note that when you eval an object literal, it has to be wrapped in parentheses, otherwise the braces are parsed as a block instead of an object.
I also agree with the comments under the question that it would be much better to just encode the object in valid ...
Why is String.chars() a stream of ints in Java 8?
...uld to be used for performance code.
However, instead of focusing on why it is done this way currently, I think this answer should focus on showing a way to do it with the API that we have gotten with Java 8.
In Java 7 I would have done it like this:
for (int i = 0; i < hello.length(); i++) {...
C# getting its own class name
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edited Jan 21 '10 at 21:32
Andrew Hare
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How should I cast in VB.NET?
...o give you the string representation of an object, regardless of what type it is. Use this if var is not a string already.
CStr(var) is the VB string cast operator. I'm not a VB guy, so I would suggest avoiding it, but it's not really going to hurt anything. I think it is basically the same as CT...
How to generate a Dockerfile from an image?
Is it possible to generate a Dockerfile from an image? I want to know for two reasons:
8 Answers
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How do I catch a numpy warning like it's an exception (not just for testing)?
...oject I'm doing. I'm doing a barycentric style one to avoid using an explicit for-loop as opposed to a Newton's divided difference style one. The problem I have is that I need to catch a division by zero, but Python (or maybe numpy) just makes it a warning instead of a normal exception.
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CodeIgniter: Create new helper?
I need to loop lot of arrays in different ways and display it in a page. The arrays are generated by a module class. I know that its better not to include functions on 'views' and I want to know where to insert the functions file.
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What's this =! operator? [duplicate]
...
That's two operators, = and !, not one. It might be an obfuscated way of writing
a = !b;
if (a) {
// whatever
}
setting a to the logical inverse of b, and testing whether the result is true (or, equivalently, whether b was false).
Or it might be a mistyping...
Java: Integer equals vs. ==
As of Java 1.5, you can pretty much interchange Integer with int in many situations.
7 Answers
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Convert an image (selected by path) to base64 string
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edited Apr 17 '17 at 15:59
Hakan Fıstık
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