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Why does String.valueOf(null) throw a NullPointerException?
...ring.valueOf(Object)
String.valueOf(char[])
Java Specification Language mandates that in these kind of cases, the most specific overload is chosen:
JLS 15.12.2.5 Choosing the Most Specific Method
If more than one member method is both accessible and applicable to a method invocation, it is n...
Count with IF condition in MySQL query
I have two tables, one is for news and the other one is for comments and I want to get the count of the comments whose status has been set as approved.
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Slow Requests on Local Flask Server
Just starting to play around with Flask on a local server and I'm noticing the request/response times are way slower than I feel they should be.
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Initialising mock objects - MockIto
...ase.
The second solution (with the MockitoJUnitRunner) is the more classic and my favorite. The code is simpler. Using a runner provides the great advantage of automatic validation of framework usage (described by @David Wallace in this answer).
Both solutions allows to share the mocks (and spies) b...
How to sort with lambda in Python
In Python, I am trying to sort by date with lambda. I can't understand my error message. The message is:
4 Answers
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How to call a function from a string stored in a variable?
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Also see my answer below if you are dealing with classes and methods. I didn't expect what I found.
– Chris K
Jan 28 '13 at 23:16
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How to make a button redirect to another page using jQuery or just Javascript
I am making a prototype and I want the search button to link to a sample search results page.
15 Answers
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RSpec: describe, context, feature, scenario?
... context , feature , scenario : What is the difference(s) among the four and when do I use each one?
3 Answers
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Is there a reason for C#'s reuse of the variable in a foreach?
...way that makes it highly prone to an error that is often difficult to find and debug, while producing no perceivable benefits.
Your criticism is entirely justified.
I discuss this problem in detail here:
Closing over the loop variable considered harmful
Is there something you can do with for...
'No Transport' Error w/ jQuery ajax call in IE
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I tested this on Windows Mobile 7.
After LOTS of time spent to understand, I finally found this:
http://bugs.jquery.com/ticket/10660
The Solution is simple, just set this:
$.support.cors = true;
and Ajax cross domain requests will work!
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