大约有 23,000 项符合查询结果（耗时：0.0258秒） [XML]
Sending message through WhatsApp
...ntent(Intent.ACTION_SEND);
waIntent.setType("text/plain");
String text = "YOUR TEXT HERE";
PackageInfo info=pm.getPackageInfo("com.whatsapp", PackageManager.GET_META_DATA);
//Check if package exists or not. If not then code
//in catch block will be called
...
Dump a NumPy array into a csv file
...d works well for numerical data, but it throws an error for numpy.array of strings. Could you prescribe a method to save as csv for an numpy.array object containing strings?
– Ébe Isaac
Mar 25 '16 at 14:31
...
Difference between const & const volatile
...be the status register for a serial port. Various bits will indicate if a character is waiting to be read or if the transmit register is ready to accept a new character (ie., - it's empty). Each read of this status register could result in a different value depending on what else has occurred in t...
How can I parse a CSV string with JavaScript, which contains comma in data?
I have the following type of string
17 Answers
17
...
Is sizeof(bool) defined in the C++ language standard?
...ndard puts notable emphasis on this fact.
§5.3.3/1, abridged:
sizeof(char), sizeof(signed char) and sizeof(unsigned char) are 1; the result of sizeof applied to any other fundamental type is implementation-defined. [Note: in particular, sizeof(bool) and sizeof(wchar_t) are implementation-defin...
HashMap get/put complexity
... assume the following three cases:
HashMap<Integer, V>
HashMap<String, V>
HashMap<List<E>, V>
Do they have the same complexity? Well, the amortised complexity of the 1st one is, as expected, O(1). But, for the rest, we also need to compute hashCode() of the lookup elemen...
SQL SERVER: Get total days between two dates
...
It also proceeds datetime and datetime2 like a charm as I can see in my results.
– Honza P.
Feb 28 at 8:40
add a comment
|
...
c语言字符串常量内容是否可以通过指针修改 - C/C++ - 清泛网 - 专注C/C++及内核技术
...是：不行。尝试修改的话，运行时程序会崩溃。int main(){ char str1[40]="hello world!"; char *str1="hello world!"...答案是：不行。尝试修改的话，运行时程序会崩溃。
int main()
{
char str1[40]="hello world!"; //char *str1="hello world!";
str1[4]...
AfxIsValidAddress 测试内存地址 - C/C++ - 清泛网 - 专注C/C++及内核技术
...不仅限于模块分配新的地址。
Example
// Allocate a 5 character array, which should have a valid memory address.
char* arr = new char[5];
// Create a null pointer, which should be an invalid memory address.
char* null = (char*)0x0;
ASSERT(AfxIsValidAddress(arr, 5));
ASSER...
c/c++如何判断指针无效？如NULL,0xcccccccc,0xfeeefeee,野指针等 - C/C++ -...
...何判断指针是否有效呢？
AfxIsValidAddress
// Allocate a 5 character array, which should have a valid memory address.
char* arr = new char[5];
// Create a null pointer, which should be an invalid memory address.
char* null = (char*)0x0;
ASSERT(AfxIsValidAddress(arr, 5));
ASSE...