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What is the difference between List (of T) and Collection(of T)?
...nt API - i.e. Anything that looks for IList, IList<T>, List<T> etc. In short, you have no idea whether it will be called. Polymorphism fixes this.
– Marc Gravell♦
Mar 11 '11 at 18:29
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Most efficient way to check for DBNull and then assign to a variable?
...ying too much here... I don't think the speed different between "is", "==" etc is going to be the cause of any performance problem you are seeing. Profile your entire code and focus on something that matters... it won't be this.
...
How to reset postgres' primary key sequence when it falls out of sync?
...r due to unplanned database shutdowns, transaction rollbacks after errors, etc.
– Craig Ringer
Sep 20 '17 at 2:04
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show 12 more comments
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log4net vs. Nlog
...framework experience. I researched, ran through tutorials, made toy apps, etc. on Log4Net, NLog, and Enterprise Library for a few days. Came back 3-4 weeks later and put them together into a cohesive demo. Hopefully some of this is useful to you.
My recommendation for our project is this:
Use ...
What do I need to read to understand how git works? [closed]
...stored, how are versions kept and how do changes happen (branches, merges, etc.)?
15 Answers
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Upgrade python in a virtualenv
...r anyone who has customized their virtualenvs postactivate, predeactivate, etc, this is not a desirable option because all that is lost and has to be manually readded.
– dpwrussell
Apr 18 '16 at 17:26
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Repair all tables in one go
...E CONTINUE HANDLER FOR SQLSTATE '02000' SET endloop=1;
OPEN rCursor;
FETCH rCursor INTO tableName;
WHILE endloop = 0 DO
SET @sql = CONCAT("REPAIR TABLE `", tableName, "`");
PREPARE statement FROM @sql;
EXECUTE statement;
FETCH rCursor INTO tableName;
END WHILE;
CLOSE rC...
Why use #ifndef CLASS_H and #define CLASS_H in .h file but not in .cpp?
...u see this in .h file:
#ifndef FILE_H
#define FILE_H
/* ... Declarations etc here ... */
#endif
This is a preprocessor technique of preventing a header file from being included multiple times, which can be problematic for various reasons. During compilation of your project, each .cpp file (usu...
What requirement was the tuple designed to solve?
... make:
class MArguments
{
public int Foo { get; private set; }
... etc
unless MArguments had some other meaning in the business logic.
The concept of "group together a bunch of otherwise unrelated data in some structure that is more lightweight than a class" is useful in many, many places...
How to compare 2 files fast using .NET?
...equal and avoid further byte-2-byte comparison ? As far as I know MD5/SHA1 etc collisions are really unlikely...
– digEmAll
Nov 25 '14 at 10:37
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