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Evaluating string “3*(4+2)” yield int 18 [duplicate]
...NET framework that can evaluate a numeric expression contained in a string and return the result? F.e.:
14 Answers
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What's the difference between “Request Payload” vs “Form Data” as seen in Chrome dev tools Network t
...ta normally send by a POST or PUT Request.
It's the part after the headers and the CRLF of a HTTP Request.
A request with Content-Type: application/json may look like this:
POST /some-path HTTP/1.1
Content-Type: application/json
{ "foo" : "bar", "name" : "John" }
If you submit this per AJAX the...
What are the differences between B trees and B+ trees?
In a b-tree you can store both keys and data in the internal and leaf nodes , but in a b+ tree you have to store the data in the leaf nodes only .
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Android “Only the original thread that created a view hierarchy can touch its views.”
I've built a simple music player in Android. The view for each song contains a SeekBar, implemented like this:
27 Answers
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When are you supposed to use escape instead of encodeURI / encodeURIComponent?
...ing a query string to be sent to a web server - when do you use escape() and when do you use encodeURI() or encodeURIComponent() :
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e.printStackTrace equivalent in python
...ntStackTrace() that exactly traces the exception to what line it occurred and prints the entire trace of it.
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Transpose a data frame
I need to transpose a large data frame and so I used:
4 Answers
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Format Float to n decimal places
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You may also pass the float value, and use:
String.format("%.2f", floatValue);
Documentation
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“Server” vs “Data Source” in connection string
...lled to work locally. Good, but I can see two connection strings typically and both works:
4 Answers
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Default value to a parameter while passing by reference in C++
...ifferent address to the function? or will the address of State be always 0 and so meaningless?
– Sony
Jun 29 '09 at 18:10
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