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How dangerous is it to access an array out of bounds?
...isk), possibly bringing down the entire system. A lot of malware (viruses, etc.) exploits buffer overruns to gain unauthorized access to the system.
(One historical example: I've heard that on some old systems with core memory, repeatedly accessing a single memory location in a tight loop could li...
No == operator found while comparing structs in C++
...cs of your MyStruct1 below.
A consistent approach to ==, <, > <= etc
It's easy to leverage std::tuple's comparison operators to compare your own class instances - just use std::tie to create tuples of references to fields in the desired order of comparison. Generalising my example from h...
MongoDB logging all queries
... Should this be equivalent to adding profile=1 and slowms=1 lines in /etc/mongodb.conf?
– Andrew Magee
Feb 10 '14 at 7:47
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apc vs eaccelerator vs xcache
...y.. but when he's talking about improvements that have been released back, etc.. that's probably Memcache. Unless they've done the same with apc.
– Evert
Mar 18 '10 at 5:40
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Last iteration of enhanced for loop in java
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@Liverpool (etc): 1000 unnecessary checks is very, very unlikely to have any significant impact on performance. I might equally point out that the extra character by Dinah's solution added might cause the StringBuilder to have to expand,...
How do you organize your version control repository?
...ojects on Windows, or something similar based on your OS, target platform, etc.
Make every project build script reference its external (3rd-party) dependencies from a single local shared "library" directory, with every such binary FULLY identified by version: %DirLibraryRoot%\ComponentA-1.2.3.4.dll...
Can you explain the concept of streams?
... the compressed form on to another stream, or one which encrypts the data, etc. At the other end there'd be the reverse chain, decrypting, decompressing or whatever.
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Why do we use volatile keyword? [duplicate]
... to be true always). (if the compiler doesn't optimize it, then it has to fetch the value of some_int and compare it with 100, in each iteration which obviously is a little bit slow.)
However, sometimes, optimization (of some parts of your program) may be undesirable, because it may be that someone...
When to use RDLC over RDL reports?
...ol over your data, you may be able to save yourself wasted database trips, etc. by using client side reports. On the project I'm currently working on, a critical report requires about 2 minutes to render on the server side, and pretty much takes out whichever reporting server it hits for that time....
What is the difference between Spring, Struts, Hibernate, JavaServer Faces, Tapestry?
...s for the presentation, JPA 2.0 for the persistence, Dependency Injection, etc. For a new development, this is IMO a serious option, Java EE 6 is a great stack.
See also
Choosing a Java Web Framework now?
Java - JDBC alternatives
JEE6 vs. Spring 3 stack
What to learn for making Java web applicati...