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JavaScript: filter() for Objects
ECMAScript 5 has the filter() prototype for Array types, but not Object types, if I understand correctly.
15 Answers
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glVertexAttribPointer clarification
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Some of the terminology is a bit off:
A Vertex Array is just an array (typically a float[]) that contains vertex data. It doesn't need to be bound to anything. Not to be confused with a Vertex Array Object or VAO, which I will go over later
A Buffer Object, commonly refer...
Convert a list of objects to an array of one of the object's properties
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You are looking for
MyList.Select(x=>x.Name).ToArray();
Since Select is an Extension method make sure to add that namespace by adding a
using System.Linq
to your file - then it will show up with Intellisense.
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What is boxing and unboxing and what are the trade offs?
...each generic type instantiated at run time.
Java and Haskell have unboxed arrays, but they're distinctly less convenient than the other collections. However, when peak performance is needed it's worth a little inconvenience to avoid the overhead of boxing and unboxing.
* For this discussion, a pr...
In Angular, I need to search objects in an array
In Angular, I have in scope a object which returns lots of objects. Each has an ID (this is stored in a flat file so no DB, and I seem to not be able to user ng-resource )
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In which scenario do I use a particular STL container?
... any, then a vector is what you want. It's the default replacement for a C array, and it works like one, but doesn't overflow. You can set its size beforehand as well with reserve().
If you want to store an undetermined number of objects, but you'll be adding them and deleting them, then you probab...
BSS段、数据段、代码段、堆与栈 剖析 - C/C++ - 清泛网 - 专注C/C++及内核技术
...1 的要大得多。当下甚为不解，于是手工编译了一下，并使用了/FAs 编译选项来查看了一下其各自的.asm，发现在程序1.asm 中ar 的定义如下：
_BSS SEGMENT
?ar@@3PAHA DD 0493e0H DUP (?) ; ar
_BSS ENDS
而在程序2.asm 中，ar 被定义为：
_DATASE...
Convert Enumeration to a Set/List
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How about this: Collections.list(Enumeration e) returns an ArrayList<T>
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How to set selected item of Spinner by value, not by position?
..."some value" in the Spinner use this:
String compareValue = "some value";
ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(this, R.array.select_state, android.R.layout.simple_spinner_item);
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
mSp...
static allocation in java - heap, stack and permanent generation
... 2) All the information related to a class like name of the class, Object arrays associated with the class, internal objects used by JVM (like java/lang/Object) and optimization information goes into the Permanent Generation area.
More or less, yes. I'm not sure what you mean by some of those th...