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What is x after “x = x++”?
...x does get incremented. But you are assigning the old value of x back into itself.
x = x++;
x++ increments x and returns its old value.
x = assigns the old value back to itself.
So in the end, x gets assigned back to its initial value.
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What does enumerable mean?
I was directed to MDN's for..in page when it said, "for..in Iterates over the enumerable properties of an object."
8 Answ...
String, StringBuffer, and StringBuilder
Please tell me a real time situation to compare String , StringBuffer , and StringBuilder ?
11 Answers
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Custom HTTP headers : naming conventions
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The recommendation is was to start their name with "X-". E.g. X-Forwarded-For, X-Requested-With. This is also mentioned in a.o. section 5 of RFC 2047.
Update 1: On June 2011, the first IETF draft was posted to deprecate the recommendation of using the "X-" prefix for n...
What is the difference between YAML and JSON?
...essarily the other way around.
See the official specs, in the section entitled "YAML: Relation to JSON".
In general, there are certain things I like about YAML that are not available in JSON.
As @jdupont pointed out, YAML is visually easier to look at. In fact the YAML homepage is itself valid...
What is a void pointer in C++? [duplicate]
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A void* does not mean anything. It is a pointer, but the type that it points to is not known.
It's not that it can return "anything". A function that returns a void* generally is doing one of the following:
It is dealing in unformatted memory. This is wh...
Make a div into a link
I have a <div> block with some fancy visual content that I don't want to change. I want to make it a clickable link.
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Storing JSON in database vs. having a new column for each key
...dated 4 June 2017
Given that this question/answer have gained some popularity, I figured it was worth an update.
When this question was originally posted, MySQL had no support for JSON data types and the support in PostgreSQL was in its infancy. Since 5.7, MySQL now supports a JSON data type (in a...
What are the relative strengths and weaknesses of Git, Mercurial, and Bazaar? [closed]
What do folks here see as the relative strengths and weaknesses of Git, Mercurial, and Bazaar?
16 Answers
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Is it better to use Enumerable.Empty() as opposed to new List() to initialize an IEnumerable
...mory. Than Garbage Collector has to take care of them. If you are dealing with high throughput application, it could be noticeable impact.
Enumerable.Empty does not create an object per call thus putting less load on GC.
If the code is in low-throughput location, then it boils down to aesthetic co...