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Type hinting a collection of a specified type
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edited Feb 27 '18 at 20:32
Stevoisiak
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Which is more efficient, a for-each loop, or an iterator?
...urce and check the Java Language Specification, specifically 14.14.2, "The enhanced for statement":
The enhanced for statement is equivalent to a basic for statement of the form:
for (I #i = Expression.iterator(); #i.hasNext(); ) {
VariableModifiers(opt) Type Identifier = #i.next();
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Average of 3 long integers
..., plus one third of the second.
Performance on 32-bit processors might be enhanced by producing three "sum" values each of which is 32 bits long, so that the final result is ((0x55555555UL * sumX)<<32) + 0x55555555UL * sumH + sumL/3; it might possibly be further enhanced by replacing sumL/3 w...
PHP: Storing 'objects' inside the $_SESSION
...rializing his $User class, or whatever, will not cripple his server beyond repair. My advice: use techniques that are sensible to your application. Objects in $_SESSION are fine, subject to common sense precautions. If your app suddenly turns into something rivaling Amazon in traffic served, you ...
Why is a ConcurrentModificationException thrown and how to debug it
... create an iterator for the Collection (using Collection.iterator(), or an enhanced for loop), start iterating (using Iterator.next(), or equivalently entering the body of the enhanced for loop), modify the Collection, then continue iterating.
To help programmers, some implementations of those Coll...
Building a minimal plugin architecture in Python
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Link rot repair: Gedit plugin is now – wiki.gnome.org/Apps/Gedit/PythonPluginHowTo
– ohhorob
Dec 26 '13 at 15:23
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How do I parse command line arguments in Bash?
... Is this really true? According to Wikipedia there's a newer GNU enhanced version of getopt which includes all the functionality of getopts and then some. man getopt on Ubuntu 13.04 outputs getopt - parse command options (enhanced) as the name, so I presume this enhanced version is standar...
Is there a concurrent List in Java's JDK?
...ve finished adding all the items, you can loop over the contents using the enhanced for syntax:
Queue<String> globalQueue = new ConcurrentLinkedQueue<String>();
//Multiple threads can safely call globalQueue.add()...
for (String href : globalQueue) {
//do something with href
}
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What is the difference between MySQL, MySQLi and PDO? [closed]
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mysqli is the enhanced version of mysql.
PDO extension defines a lightweight, consistent interface for accessing databases in PHP. Each database driver that implements the PDO interface can expose database-specific featu...
What are POD types in C++?
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edited May 23 '17 at 12:18
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answered Sep 28 '08 a...