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What is the difference between getFields and getDeclaredFields in Java reflection
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getFields()
All the public fields up the entire class hierarchy.
getDeclaredFields()
All the fields, regardless of their accessibility but only for the current class, not any base classes that the current class might be inheriting from...
Why don't they teach these things in school? [closed]
...r of Code. I learned a lot (probably more than I've learned in the sum of all my university coursework). I'm really wondering why they don't teach a few of the things I learned sooner in school though. To name a few:
...
Howto: Clean a mysql InnoDB storage engine?
...lib/mysql/ibdata1 is the busiest file in the InnoDB infrastructure. It normally houses six types of information:
Table Data
Table Indexes
MVCC (Multiversioning Concurrency Control) Data
Rollback Segments
Undo Space
Table Metadata (Data Dictionary)
Double Write Buffer (background writing to prev...
How to get duplicate items from a list using LINQ? [duplicate]
...t; s)
.SelectMany(grp => grp.Skip(1));
Note that this will return all duplicates, so if you only want to know which items are duplicated in the source list, you could apply Distinct to the resulting sequence or use the solution given by Mark Byers.
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Apply CSS Style to child elements
...iv.test th, td, caption {padding:40px 100px 40px 50px;}" applies a rule to all th elements which are contained by a div element with a class named test, in addition to all td elements and all caption elements.
It is not the same as "all td, th and caption elements which are contained by a div eleme...
Memcached vs. Redis? [closed]
...re popular, and better supported than memcached. Memcached can only do a small fraction of the things Redis can do. Redis is better even where their features overlap.
For anything new, use Redis.
Memcached vs Redis: Direct Comparison
Both tools are powerful, fast, in-memory data stores that are usef...
How do you view ALL text from an ntext or nvarchar(max) in SSMS?
How do you view ALL text from an NTEXT or NVARCHAR(max) in SQL Server Management Studio? By default, it only seems to return the first few hundred characters (255?) but sometimes I just want a quick way of viewing the whole field, without having to write a program to do it. Even SSMS 2012 still has...
Expression Versus Statement
...as one unit of execution, a thing that you did. The only reason it wasn't called a "line" was because sometimes it spanned multiple lines. An expression on its own couldn't do anything... you had to assign it to a variable.
1 + 2 / X
is an error in FORTRAN, because it doesn't do anything. You had...
How can I pair socks from a pile efficiently?
... enough (and faster).
For each color of socks, form a pile. Iterate over all socks in your input basket and distribute them onto the color piles.
Iterate over each pile and distribute it by some other metric (e.g. pattern) into the second set of piles
Recursively apply this scheme until you have d...
Tests not running in Test Explorer
...ts. I have been working with the resharper test runner - which works fine. All tests are running, all tests are showing the right test outcome. Now a coworker told me, that the tests are not running on his machine using the Visual Studio test explorer. They are not working either on my machine, so i...