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C# naming convention for constants?
...le bit too anally retentive for many people's tastes). e.g.
private const int TheAnswer = 42;
The Pascal capitalization convention is also documented in Microsoft's Framework Design Guidelines.
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How do I fix “for loop initial declaration used outside C99 mode” GCC error?
...d luck on solving 3n+1 :-)
Here's an example:
#include <stdio.h>
int main() {
int i;
/* for loop execution */
for (i = 10; i < 20; i++) {
printf("i: %d\n", i);
}
return 0;
}
Read more on for loops in C here.
...
Android: Scale a Drawable or background image?
...e an ImageView using android:scaleType="fitXY"
and it will be sized to fit into whatever size you give the ImageView.
So you could create a FrameLayout for your layout, put the ImageView inside it, and then whatever other content you need in the FrameLayout as well w/ a transparent background.
<...
.Contains() on a list of custom class objects
...le:
public class CartProduct : IEquatable<CartProduct>
{
public Int32 ID;
public String Name;
public Int32 Number;
public Decimal CurrentPrice;
public CartProduct(Int32 ID, String Name, Int32 Number, Decimal CurrentPrice)
{
this.ID = ID;
this.Name = Na...
How to generate a random alpha-numeric string?
...ate a random string.
*/
public String nextString() {
for (int idx = 0; idx < buf.length; ++idx)
buf[idx] = symbols[random.nextInt(symbols.length)];
return new String(buf);
}
public static final String upper = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
public ...
内存调试技巧：C 语言最大难点揭秘 - C/C++ - 清泛网 - 专注C/C++及内核技术
...ation)
{
char p1;
p1 = malloc(100);
(void) sprintf(p1,
"The f1 error occurred because of '%s'.",
explanation);
local_log(p1);
}
您看到问题了吗？除非 local_log() 对 free() 释放的内存...
Initialization of all elements of an array to one default value in C++?
...
Using the syntax that you used,
int array[100] = {-1};
says "set the first element to -1 and the rest to 0" since all omitted elements are set to 0.
In C++, to set them all to -1, you can use something like std::fill_n (from <algorithm>):
std::fil...
How do I specify a pointer to an overloaded function?
...ich f to use according to the function signature implied by the function pointer type:
// Uses the void f(char c); overload
std::for_each(s.begin(), s.end(), static_cast<void (*)(char)>(&f));
// Uses the void f(int i); overload
std::for_each(s.begin(), s.end(), static_cast<void (*)(int...
OceanBase使用libeasy原理源码分析：服务器端 - 数据库(内核) - 清泛网 - ...
...回调函数
easy_listen_t定义如下：
struct easy_listen_t {
int fd;<br> // read_watcher的下标
int8_t cur, old;
int8_t hidden_sum;<br> //如果为1，则所有线程可以监听同一个地址
uint8_t ...
How can I update the current line in a C# Windows Console App?
...
If you print only "\r" to the console the cursor goes back to the beginning of the current line and then you can rewrite it. This should do the trick:
for(int i = 0; i < 100; ++i)
{
Console.Write("\r{0}% ", i);
}
Notice th...