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What does Redis do when it runs out of memory?
...antirez.com/post/redis-as-LRU-cache.html
http://eli.thegreenplace.net/2009/10/30/handling-out-of-memory-conditions-in-c/
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Why do we use __init__ in Python classes?
...t data, that behave similarly. Class of dogs consists of Fido and Spot and 199999999998 other animals similar to them, all of them peeing on lampposts. What does the class for adding things consist of? By what data inherent to them do they differ? And what actions do they share?
However, numbers......
Java Name Hiding: The Hard Way
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answered Jul 4 '14 at 13:14
Donal FellowsDonal Fellows
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Difference between objectForKey and valueForKey?
...can do the following:
NSNumber *anAccountNumber = [NSNumber numberWithInt:12345];
Account *newAccount = [[Account alloc] init];
[newAccount setAccountNumber:anAccountNUmber];
NSNumber *anotherAccountNumber = [newAccount accountNumber];
Using KVC, I can access the property dynamically:
NSNumber...
Will iOS launch my app into the background if it was force-quit by the user?
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216
UPDATE2:
You can achieve this using the new PushKit framework, introduced in iOS 8. Though Pu...
Error in SQL script: Only one statement is allowed per batch
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answered Sep 9 '13 at 13:02
Cosmin IonascuCosmin Ionascu
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SHA1 vs md5 vs SHA256: which to use for a PHP login?
I'm making a php login, and I'm trying to decide whether to use SHA1 or Md5, or SHA256 which I read about in another stackoverflow article. Are any of them more secure than others? For SHA1/256, do I still use a salt?
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SVN Commit specific files
...st of files to commit from a file:
$ svn ci -m "Now works" --targets fix4711.txt
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Difference between matches() and find() in Java Regex
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Pattern p = Pattern.compile("\\d\\d\\d");
Matcher m = p.matcher("a123b");
System.out.println(m.find());
System.out.println(m.matches());
p = Pattern.compile("^\\d\\d\\d$");
m = p.matcher("123");
System.out.println(m.find());
System.out.println(m.matches());
}
/* ou...
PDO mysql: How to know if insert was successful
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PDOStatement->execute() returns true on success. There is also PDOStatement->errorCode()...