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Hibernate vs JPA vs JDO - pros and cons of each? [closed]
...this situation then you must write your code like this' that took away the fun of freely modeling and coding however we want. JDO has never caused me to adjust my code or my model to get it to 'work properly'. I can just design and code simple POJOs as if I was going to use them 'in memory' only, ye...
What's the best way of scraping data from a website? [closed]
...rapers and parsers more than any other type of software. It's challenging, fun and can be used to create amazing things.
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What is the best Battleship AI?
...; }
}
public IEnumerable<U> FoldAll<U>(U acc, Func<Cell<T>, U, U> trip)
{
return new[] { Compass.North, Compass.East, Compass.South, Compass.West }
.Select(x => FoldLine(x, acc, trip));
}
public U FoldLi...
Parameterize an SQL IN clause
... going to need to dynamically escape the wildcard. We can use the REPLACE function to find occurrences of the %character and insert a backslash character in front of each one, like this:
select ...
where '|pe%ter|'
like '%|' + REPLACE( 'pe%ter' ,'%','\%') + '|%' escape '\'
So that solves the ...
Lock-free multi-threading is for real threading experts
...ng additional resource requirements sounds great, doesn't it?
Most of the fun however can come from ensuring correct load/store ordering.
Contrary to one's intuitions, CPUs are free to reorder memory reads/writes - they are very smart, by the way: you will have a hard time observing this from a sin...
How do JavaScript closures work?
...s to someone with a knowledge of the concepts they consist of (for example functions, variables and the like), but does not understand closures themselves?
...
How do you parse and process HTML/XML in PHP?
... fluent API.
It leverages XPath and the fluent programming pattern to be fun and effective.
3rd-Party (not libxml-based)
The benefit of building upon DOM/libxml is that you get good performance out of the box because you are based on a native extension. However, not all 3rd-party libs go down...
What are the effects of exceptions on performance in Java?
...
Just for fun I disabled fillInStackTrace in the exception test. Here are the times now: Control 347 Exception 351 Result 364 Sentinel 355
– Fuwjax
Apr 10 '11 at 10:52
...
Git workflow and rebase vs merge questions
.... At best, you have to go back and amend each of the affected commits. Not fun.
After a rebase, it's impossible to determine what was originally part of the commits and what was introduced as a result of bad conflict resolution.
*It can be possible to undo a rebase if you can dig the old refs out...