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MySql: Tinyint (2) vs tinyint(1) - what is the difference?
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constant pointer vs pointer on a constant value [duplicate]
What is the difference between the following declarations?
11 Answers
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Class vs. static method in JavaScript
I know this will work:
14 Answers
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Join vs. sub-query
...y comes down to performance. Some optimisers suck lemons when given a join vs a sub-query, and some suck lemons the other way, and this is optimiser-specific, DBMS-version-specific and query-specific.
Historically, explicit joins usually win, hence the established wisdom that joins are better, but ...
Repository Pattern vs DAL
Are they the same thing? Just finished to watch Rob Connery's Storefront tutorial and they seem to be similar techinques. I mean, when I implement a DAL object I have the GetStuff, Add/Delete etc methods and I always write the interface first so that I can switch db later.
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`from … import` vs `import .` [duplicate]
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Many people have already explained about import vs from, so I want to try to explain a bit more under the hood, where the actual difference lies.
First of all, let me explain exactly what the basic import statements do.
import X
Imports the module X, and creates a referen...
Equals(=) vs. LIKE
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This is a copy/paste of another answer of mine for question SQL 'like' vs '=' performance:
A personal example using mysql 5.5: I had an inner join between 2 tables, one of 3 million rows and one of 10 thousand rows.
When using a like on an index as below(no wildcards), it took about 30 seconds...
ASP.Net: Literal vs Label
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Using try vs if in python
Is there a rationale to decide which one of try or if constructs to use, when testing variable to have a value?
9 Ans...
How to create an installer for a .net Windows Service using Visual Studio
...p project in your Solution Explorer.
Select View > Custom Actions. (In VS2008 it might be View > Editor > Custom Actions)
Right-click on the Install action in the Custom Actions tree and select 'Add Custom Action...'
In the "Select Item in Project" dialog, select Application Folder and cli...