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B-Tree vs Hash Table
...g is not easy.
Its called RUSH - Replication Under Scalable Hashing, and those algorithms are thus called RUSH algorithms.
However there may be a point where your index exceeds a tolerable size compared to your hash sizes and your entire index needs to be re-built. Usually this is not a problem, bu...
On logout, clear Activity history stack, preventing “back” button from opening logged-in-only Activi
...lication require a user to be logged-in to view. Users can log out from almost any activity. This is a requirement of the application. At any point if the user logs-out, I want to send the user to the Login Activity . At this point I want this activity to be at the bottom of the history stack so th...
Objective-C: Reading a file line by line
...h line separately and want to treat each line as an NSString. What is the most efficient way of doing this?
18 Answers
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Showing the stack trace from a running Python application
...y point, send the process a SIGUSR1 signal, using kill, or in python:
os.kill(pid, signal.SIGUSR1)
This will cause the program to break to a python console at the point it is currently at, showing you the stack trace, and letting you manipulate the variables. Use control-d (EOF) to continue ...
What is the use of join() in Python threading?
I was studying the python threading and came across join() .
10 Answers
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What is the use of the @ symbol in PHP?
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I had time to correct my suppress spelling after posting ... and damn you for enhancing with a link at the same time rages :P
– Aiden Bell
Jun 23 '09 at 12:12
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Scrollview vertical and horizontal in android
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package com.scrollable.view;
import android.app.Activity;
import android.os.Bundle;
import android.view.MotionEvent;
import android.widget.HorizontalScrollView;
import android.widget.ScrollView;
public class ScrollableImageActivity extends Activity {
private float mx, my;
private float c...
mingw-w64 threads: posix vs win32
...talling mingw-w64 on Windows and there are two options: win32 threads and posix threads. I know what is the difference between win32 threads and pthreads but I don't understand what is the difference between these two options. I doubt that if I will choose posix threads it will prevent me from calli...
What is the Python equivalent of Matlab's tic and toc functions?
...isn't always that, and a profiler is a much more heavyweight solution for most needs
– Eli Bendersky
May 2 '11 at 3:27
4
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How do I execute a string containing Python code in Python?
...k yourself if you really need to. Executing code should generally be the position of last resort: It's slow, ugly and dangerous if it can contain user-entered code. You should always look at alternatives first, such as higher order functions, to see if these can better meet your needs.
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