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How does having a dynamic variable affect performance?
...18ms
LazyILEmitted: 14.3483ms
So while using the dynamic keyword takes an order of magnitude longer than calling the method directly, it still manages to complete the operation a million times in about 50 milliseconds, making it far faster than reflection. If the method we call were trying to do so...
Favourite performance tuning tricks [closed]
...arting the query
Check that all processes are accessing tables in the same order
Are indices being used appropriately?
Joins will only use index if both expressions are exactly the same data type
Index will only be used if the first field(s) on the index are matched in the query
Are clustered i...
Are there best practices for (Java) package organization? [closed]
...like:
beans
factories
collections
are wrong.
I prefer, for example:
orders
store
reports
so I can hide implementation details through package visibility. Factory of orders should be in the orders package so details about how to create an order are hidden.
...
2 column div layout: right column with fixed width, left fluid
...
Fantastic, simple solution and keeps the correct HTML order too!
– user1794295
Jul 11 '14 at 15:16
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How does HashSet compare elements for equality?
...y the default equality comparer.
Note how none of this is in terms of an ordered comparison - which makes sense, as there are certainly situations where you can easily specify equality but not a total ordering. This is all the same as Dictionary<TKey, TValue>, basically.
If you want a set w...
Explanation of the UML arrows
...ice reference but to me a Menu -> MenuItem has the same relation like a Order -> OrderItem so both of them are Compositions.
– Ignacio Soler Garcia
Jun 28 '13 at 10:53
4
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Oracle SELECT TOP 10 records
...oblem with an SQL Statement in Oracle. I want to select the TOP 10 Records ordered by STORAGE_DB which aren't in a list from an other select statement.
...
How to force R to use a specified factor level as reference in a regression?
...level() command is a shorthand method to your question. What it does is reorder the factor so that whatever is the ref level is first. Therefore, reordering your factor levels will also have the same effect but gives you more control. Perhaps you wanted to have levels 3,4,0,1,2. In that case...
...
How to use regex in String.contains() method in Java
...ck if a String contains the words "stores", "store", and "product" in that order, no matter what is in between them.
5 Answ...
MySQL Creating tables with Foreign Keys giving errno: 150
...ine a foreign key to reference it. You must define the tables in the right order: Parent table first, then the Child table. If both tables references each other, you must create one table without FK constraints, then create the second table, then add the FK constraint to the first table with ALTER T...