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Declaring variables inside or outside of a loop
...that str absolutely ought to be declared within the while loop. No ifs, no ands, no buts.
The only case where this rule might be violated is if for some reason it is of vital importance that every clock cycle must be squeezed out of the code, in which case you might want to consider instantiating s...
How does a Java HashMap handle different objects with the same hash code?
As per my understanding I think:
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Difference between a User and a Login in SQL Server
...ly don't mess with. One of them that has me confused is the area of Logins and Users. Seems like it should be a pretty simple topic...
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What is the difference between range and xrange functions in Python 2.X?
Apparently xrange is faster but I have no idea why it's faster (and no proof besides the anecdotal so far that it is faster) or what besides that is different about
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How to lock compiled Java classes to prevent decompilation?
... also scramble your code flow in a way that makes it really hard to follow and works as an excellent code optimizer...
Also many of the obfuscators are also able to scramble your string constants and remove unused code.
Another possible solution (not necessarily excluding the obfuscation) is to us...
Difference between >>> and >>
What is the difference between >>> and >> operators in Java?
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MySQL 'create schema' and 'create database' - Is there any difference
Taking a peak into the information_schema database and peaking at the metadata for one of my pet projects, I'm having a hard time understanding what (if any) differences there are between the create schema command and the create database command for MySQL.
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Database Design for Revisions?
...tribute. This just causes problems down the line, requires surrogate keys and all sorts of other problems.
Design 2 does have problems with schema changes. If you change the Employees table you have to change the EmployeeHistories table and all the related sprocs that go with it. Potentially doub...
Large Object Heap Fragmentation
... array used for interned strings). Some of these are less than 85000 bytes and thus would not normally be allocated on the LOH.
It is an implementation detail, but I assume the reason for this is to avoid unnecessary garbage collection of instances that are supposed to survive as long as the proce...
Compile, Build or Archive problems with Xcode 4 (and dependencies)
...ed over the past several weeks to cover more general issues with xcode4 (and upgrading projects form older xcode s).
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