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Differences between .NET 4.0 and .NET 4.5 in High level in .NET
...t for Unicode (UTF-16) encoding.
Support for versioning of cultural string ordering and comparison
data.
Better performance when retrieving resources.
Zip compression improvements to reduce the size of a compressed file.
Ability to customize a reflection context to override default
reflection behavi...
Storing money in a decimal column - what precision and scale?
...However, rather than a one-size-fits-all approach, some research may be in order. Ask your designer or domain expert about accounting rules which may be applicable: GAAP, EU, etc. I vaguely recall some EU intra-state transfers with explicit rules for rounding to five decimal places, therefore using ...
What columns generally make good indexes?
...nto your tables:
Only index those columns that are required in WHERE and ORDER BY clauses. Indexing columns in abundance will result in some disadvantages.
Try to take benefit of "index prefix" or "multi-columns index" feature of MySQL. If you create an index such as INDEX(first_name, last_name),...
Best way to compare two complex objects
...rating a data stream, appending strings, and then testing string equality. Orders of magnitude, just in that. Not to mention serialization is going to be using reflection by default.
– Jerome Haltom
May 19 '17 at 15:06
...
What is PAGEIOLATCH_SH wait type in SQL Server?
... like this:
Select * from <table> where <col1> = <value> order by <PrimaryKey>
, check that you have a composite index on (col1, col_primary_key).
If you don't have one, then you'll need either a full INDEX SCAN if the PRIMARY KEY is chosen, or a SORT if an index on col1 is ...
Is it possible to write to the console in colour in .NET?
...not be garbled. See stackoverflow.com/questions/4812508/…. It's just the order of the write-calls which is not "safe".
– BatteryBackupUnit
Oct 17 '17 at 9:29
...
Sorting a list using Lambda/Linq to objects
...n direction)
{
if (direction == SortDirection.Ascending)
list = list.OrderBy(sorter);
else
list = list.OrderByDescending(sorter);
}
Now you can specify the field to sort when calling the Sort method.
Sort(ref employees, e => e.DOB, SortDirection.Descending);
...
How do you implement a good profanity filter?
...(something that Stack Overflow does well) is helpful also, particularly in order to help combat John Gabriel's G.I.F.T.
You also asked where you can get profanity lists to get you started -- one open-source project to check out is Dansguardian -- check out the source code for their default profanit...
How can I change Mac OS's default Java VM returned from /usr/libexec/java_home
.../java_home -v '1.7*' to give you a suitable value to put into JAVA_HOME in order to make command line tools use Java 7.
export JAVA_HOME="`/usr/libexec/java_home -v '1.7*'`"
But standard double-clickable application bundles don't use JDKs installed under /Library/Java at all. Old-style .app bund...
Functional design patterns [closed]
...s.
Chapters 11-13 cover Functors, Applicative Functors and Monads, in that order. This is helpful - many tutorials introduce Functors and then Monads, and then tack Applicative Functors on at the end (if they cover it at all). The order in LYAH is better, because moving from Functors => Applicati...