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How can mixed data types (int, float, char, etc) be stored in an array?
... elements a discriminated union, aka tagged union.
struct {
enum { is_int, is_float, is_char } type;
union {
int ival;
float fval;
char cval;
} val;
} my_array[10];
The type member is used to hold the choice of which member of the union is should be used for ea...
Check if two lists are equal [duplicate]
...nce equality because Equals method checks for reference equality.
var a = ints1.SequenceEqual(ints2);
Or if you don't care about elements order use Enumerable.All method:
var a = ints1.All(ints2.Contains);
The second version also requires another check for Count because it would return true ev...
Placement of the asterisk in pointer declarations
...lly learn C/C++, and there is one thing I do not really understand about pointers or more precisely, their definition.
12 A...
How to disable / enable dialog negative positive buttons?
...is empty.");
builder.setPositiveButton("PositiveButton",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface arg0, int arg1) {
// DO TASK
}
});
builder.setNegativeButton("NegativeButton",
new DialogInterface.OnCl...
VS2005混合编译ARM汇编代码 - C/C++ - 清泛网 - 专注C/C++及内核技术
... Name="Arm asm" DisplayName="Arm asm"
CommandLine="armasm -o "$(IntDir)/$(InputName).obj" [$Inputs] "
Outputs="$(IntDir)/$(InputName).obj"
FileExtensions="*.asm"
ExecutionDescription="Executing tool..."
>
<Properties></Properties>
</Custo...
lua和c/c++互相调用实例分析 - C/C++ - 清泛网 - 专注C/C++及内核技术
...行上下文
lua_State* luaL_newstate(void) ;
//加载lua脚本文件
int luaL_loadfile(lua_State *L, const char *filename);
lua和c/c++的数据交互通过"栈"进行 ,操作数据时，首先将数据拷贝到"栈"上，然后获取数据，栈中的每个数据通过索引值进行定位...
C pointer to array/array of pointers disambiguation
...
int* arr[8]; // An array of int pointers.
int (*arr)[8]; // A pointer to an array of integers
The third one is same as the first.
The general rule is operator precedence. It can get even much more complex as function point...
How to use Single TextWatcher for multiple EditTexts?
... view;
}
public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) {}
public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {}
public void afterTextChanged(Editable editable) {
String text = editable.toString();
switch(vie...
How to display Base64 images in HTML?
...age = 'http://images.itracki.com/2011/06/favicon.png';
// Read image path, convert to base64 encoding
$imageData = base64_encode(file_get_contents($image));
// Format the image SRC: data:{mime};base64,{data};
$src = 'data: '.mime_content_type($image).';base64,'.$imageData;
// Echo out a sample im...
How to initialize a private static const map in C++?
I need just dictionary or associative array string => int .
10 Answers
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