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Why do we need boxing and unboxing in C#?
...rom the way that reference types represent their underlying data (e.g., an int is just a bucket of thirty-two bits which is completely different than a reference type).
Think of it like this. You have a variable o of type object. And now you have an int and you want to put it into o. o is a referen...
libevent+protobuf轻松搭建tcpserver - C/C++ - 清泛网 - 专注C/C++及内核技术
...轻松搭建tcpserver1. 基础代码 设置某fd为O_NONBLOCK模式 int set_non_block(int fd); server端socket流程:socket(),setsoc...1. 基础代码
// 设置某fd为O_NONBLOCK模式
int set_non_block(int fd);
// server端socket流程:socket(),setsockopt(),bind(),listen(),set...
Code for decoding/encoding a modified base64 URL
...y:
static string Base64UrlEncode(byte[] arg)
{
string s = Convert.ToBase64String(arg); // Regular base64 encoder
s = s.Split('=')[0]; // Remove any trailing '='s
s = s.Replace('+', '-'); // 62nd char of encoding
s = s.Replace('/', '_'); // 63rd char of encodi...
Add custom icons to font awesome
...ing able to properly set the "d" parameter specified above. I had to first convert the AI file into a compound path before exporting it as an SVG. I learned how to do that here: graphicdesign.stackexchange.com/questions/35054/…
– Alex Standiford
Aug 16 '18 at...
EOL conversion in notepad ++
...m this unix server, so is there a way to create a macro that automatically converts EOL to Unix format whenever I open a file?
...
What does int argc, char *argv[] mean?
...s are passed to main() in C and C++.
argc will be the number of strings pointed to by argv. This will (in practice) be 1 plus the number of arguments, as virtually all implementations will prepend the name of the program to the array.
The variables are named argc (argument count) and argv (argume...
Live character count for EditText
... new TextWatcher() {
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
}
public void onTextChanged(CharSequence s, int start, int before, int count) {
//This sets a textview to the current length
mTextView.setText(String.v...
Declaring pointers; asterisk on the left or right of the space between the type and name? [duplicate
...of code. (This applies to C and C++, by the way.) People seem to declare pointers in one of two ways, and I have no idea which one is correct, of if it even matters.
...
What is a C++ delegate?
...ing operator()
struct Functor
{
// Normal class/struct members
int operator()(double d) // Arbitrary return types and parameter list
{
return (int) d + 1;
}
};
// Use:
Functor f;
int i = f(3.14);
Option 2: lambda expressions (C++11 only)
// Syntax is roughly: [c...
Printing Java Collections Nicely (toString Doesn't Return Pretty Output)
...
You could convert it to an array and then print that out with Arrays.toString(Object[]):
System.out.println(Arrays.toString(stack.toArray()));
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