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Can I call a base class's virtual function if I'm overriding it?
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This is a better answer than the selected one. Thanks.
– Mad Physicist
Oct 17 '14 at 20:41
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What is a reasonable length limit on person “Name” fields?
...put their information, including name. I gave the name field a limit of 50 characters to coincide with my database table where the field is varchar(50), but then I started to wonder.
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Listen for key press in .NET console app
...tic void ProcessFiles()
{
var files = Enumerable.Range(1, 100).Select(n => "File" + n + ".txt");
var taskBusy = new Task(BusyIndicator);
taskBusy.Start();
foreach (var file in files)
{
Thread.Sleep(1000);
Console.WriteLine("Pro...
Extract digits from a string in Java
...t probably faster:
public static String stripNonDigits(
final CharSequence input /* inspired by seh's comment */){
final StringBuilder sb = new StringBuilder(
input.length() /* also inspired by seh's comment */);
for(int i = 0; i < input.length(); i++){
fi...
How do I create a unique ID in Java? [duplicate]
...ignificantBits());
}
private static String toIDString(long i) {
char[] buf = new char[32];
int z = 64; // 1 << 6;
int cp = 32;
long b = z - 1;
do {
buf[--cp] = DIGITS66[(int)(i & b)];
i >>>= 6;
} while (i != 0);
re...
How can I efficiently select a Standard Library container in C++11?
... },
onDemand: true,
discardSelector: ".discard-answer"
,immediatelyShowMarkdownHelp:true,enableSnippets:true
});
}
});
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How can I get a file's size in C++? [duplicate]
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#include <fstream>
std::ifstream::pos_type filesize(const char* filename)
{
std::ifstream in(filename, std::ifstream::ate | std::ifstream::binary);
return in.tellg();
}
See http://www.cplusplus.com/doc/tutorial/files/ for more information on files in C++.
edit: this answ...
Callback functions in C++
... for jumping, the engine can call
game_core_instance.update_keybind(newly_selected_key, &player_jump);
and thus change the behaviour of a call to key_pressed (which the calls player_jump) once this button is pressed the next time ingame.
What are callables in C++(11)?
See C++ concepts: Call...
Converting an int to std::string
... int length = snprintf( NULL, 0, "%d", x );
assert( length >= 0 );
char* buf = new char[length + 1];
snprintf( buf, length + 1, "%d", x );
std::string str( buf );
delete[] buf;
return str;
}
You can do more with it. Just use "%g" to convert float or double to string, use "%x" to co...
How to recursively find and list the latest modified files in a directory with subdirectories and ti
... from the directory, ls to list them sorted by modification date, head for selecting the 1st file and finally stat to show the time in a nice format.
At this time it is not safe for files with whitespace or other special chars in their names. Write a commend if it doesn't meet your needs yet.
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