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Replace non-numeric with empty string
...project. A field in our DB to hold a phone number is set to only allow 10 characters. So, if I get passed "(913)-444-5555" or anything else, is there a quick way to run a string through some kind of special replace function that I can pass it a set of characters to allow?
...
UINavigationController “back button” custom text?
...
You can set the text in the Interface Builder:
Select the navigation item of the ViewController that the back button would return to:
In the utilities panel attribute inspector, enter your label for the Back Button:
I would prefer this approach over setting the titl...
Regular Expression to get a string between parentheses in Javascript
...ening parentheses
( : begin capturing group
[^)]+: match one or more non ) characters
) : end capturing group
\) : match closing parentheses
Here is a visual explanation on RegExplained
share
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im...
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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Can I call a base class's virtual function if I'm overriding it?
...
This is a better answer than the selected one. Thanks.
– Mad Physicist
Oct 17 '14 at 20:41
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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...
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...
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 can I get a file's size in C++? [duplicate]
...
#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...
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...