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Correct format specifier to print pointer or address?
... standard (ISO/IEC 9899:1999) says in §7.19.6.1 ¶8:
p The argument shall be a pointer to void. The value of the pointer is
converted to a sequence of printing characters, in an implementation-defined
manner.
(In C11 — ISO/IEC 9899:2011 — the information is in §7.21.6.1 ¶8.)
On som...
Mocking vs. Spying in mocking frameworks
...ate spies of real objects. When you use the spy then the real methods are called (unless a method was stubbed).
Real spies should be used carefully and occasionally, for example when dealing with legacy code.
When in doubt, use mocks.
...
How do I add a ToolTip to a control?
...
What about one static ToolTip for all your forms?
– Svish
Aug 27 '09 at 8:13
7
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Why does integer division in C# return an integer and not a float?
...ogrammer to make this mistake of performing integer division when they actually meant to use floating point division, in actual practice integer division is a very common operation. If you are assuming that people rarely use it, and that every time you do division you'll always need to remember to ...
Is it possible to use JS to open an HTML select to show its option list? [duplicate]
...
I am also wishing I could programmatically open a select for keyboard users. In Firefox the change event doesn't fire until the select loses focus, and if the menu isn't actually open, it doesn't select anything when you tab off. LAME-O!
– M...
ArrayList initialization equivalent to array initialization [duplicate]
...rrayList<String>(){{
add("A");
add("B");
}}
What this is actually doing is creating a class derived from ArrayList<String> (the outer set of braces do this) and then declare a static initialiser (the inner set of braces). This is actually an inner class of the containing class, a...
How to maintain a Unique List in Java?
...he JAVADoc:
A collection that contains no duplicate elements. More formally, sets contain no pair of elements e1 and e2 such that e1.equals(e2), and at most one null element. As implied by its name, this interface models the mathematical set abstraction.
Note: Great care must be exercised i...
Extracting specific columns in numpy array
This is an easy question but say I have an MxN matrix. All I want to do is extract specific columns and store them in another numpy array but I get invalid syntax errors.
Here is the code:
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Using WebAPI or MVC to return JSON in ASP.NET
...l web-services hosted by your company/organization.)
MVC Controllers typically rely on the MVC Framework, if you look at default templates and most of the work done by the community and your peers you will notice that almost all MVC Controllers are implemented with the View in mind.
Personally, I ...
Why escape_javascript before rendering a partial?
I'm looking at this Railscast episode and wondering why the call to escape_javascript is needed here:
4 Answers
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