大约有 16,000 项符合查询结果（耗时：0.0273秒） [XML]
'too many values to unpack', iterating over a dict. key=>string, value=>list
...
Can't be iterating directly in dictionary. So you can through converting into tuple.
first_names = ['foo', 'bar']
last_names = ['gravy', 'snowman']
fields = {
'first_names': first_names,
'last_name': last_names,
}
tup_field=tuple(fields.items())
for names in fields.i...
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 initialize a private static const map in C++?
I need just dictionary or associative array string => int .
10 Answers
10
...
java.util.Date vs java.sql.Date
...What I am saying that save the milliseconds/nanoseconds as plain longs and convert them to whatever objects you are using (obligatory joda-time plug). One hacky way which can be done is to store the date component as one long and time component as another, for example right now would be 20100221 and...
How do I get bit-by-bit data from an integer value in C?
...lue to get just the bit we want. We could write it out more fully as:
int mask = 1 << k;
int masked_n = n & mask;
int thebit = masked_n >> k;
You can read more about bit-masking here.
Here is a program:
#include <stdio.h>
#include <stdlib.h>
int *get_b...