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How do you compare structs for equality in C?
...ould not worry about some of the corner cases in the C standard. The near vs. far pointer distinction does not exist on any 32- or 64- bit device. No non-embedded system that I know of has multiple NULL pointers.
Another option is to auto-generate the equality functions. If you lay your struct d...
Examples of GoF Design Patterns in Java's core libraries
...ger, Long and String.
Facade is used in many place but the most obvious is Scripting interfaces.
Singleton - java.lang.Runtime comes to mind.
Abstract Factory - Also Scripting and JDBC API.
Command - TextComponent's Undo/Redo.
Interpreter - RegEx (java.util.regex.) and SQL (java.sql.) API.
Prototype...
What is the 'new' keyword in JavaScript?
The new keyword in JavaScript can be quite confusing when it is first encountered, as people tend to think that JavaScript is not an object-oriented programming language.
...
Check if a folder exist in a directory and create them using C#
...s trying to remember every little method name... And I was lazy to fire up VS... The point of this - for me - is to help the person asking by giving ideas; if they expect all these little things to be copy-paste friendly, then... They have to think a little, too, right... Corrected: changed Create t...
How can you get the SSH return code using Paramiko?
...ecv_exit_status() method on the Channel class.
A very simple demonstration script:
import paramiko
import getpass
pw = getpass.getpass()
client = paramiko.SSHClient()
client.set_missing_host_key_policy(paramiko.WarningPolicy())
client.connect('127.0.0.1', password=pw)
while True:
cmd = raw_in...
Throwing exceptions from constructors
...) // will NOT catch exceptions thrown from foo constructor
{ ... }
}
vs.
func::func()
try : foo() {...}
catch (...) // will catch exceptions thrown from foo constructor
{ ... }
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How to get a Fragment to remove itself, i.e. its equivalent of finish()?
...tivity (D) is the one that knows what other fragments are in the activity (vs. being in other activities). Hence, in-fragment events that might affect the fragment mix should be propagated to the activity, which will make the appropriate orchestration moves.
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Is there a simple way to remove unused dependencies from a maven pom.xml?
...
I had similar kind of problem and decided to write a script that removes dependencies for me. Using that I got over half of the dependencies away rather easily.
http://samulisiivonen.blogspot.com/2012/01/cleanin-up-maven-dependencies.html
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MySQL - SELECT WHERE field IN (subquery) - Extremely slow why?
...
Subqueries vs joins
http://www.scribd.com/doc/2546837/New-Subquery-Optimizations-In-MySQL-6
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Is there a perfect algorithm for chess? [closed]
...y possible game -- would be a very, very big search problem.
Openings are scripted to get you to a mid-game that gives you a "strong" position. Not a known outcome. Even end games -- when there are fewer pieces -- are hard to enumerate to determine a best next move. Technically they're finite. ...