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Count(*) vs Count(1) - SQL Server
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First, there is no semantic difference between select count(1) from table vs. select count(*) from table. They return the same results in all cases (and it is a bug if not). As noted in the other answers, select count(column) from table is semantically different and does not always return the sam...
SQL left join vs multiple tables on FROM line?
... this, you need to fix.
– HLGEM
May 27 '09 at 13:23
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onKeyPress Vs. onKeyUp and onKeyDown
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27
Most of the answers here are focused more on theory than practical matters and there's some big...
[] and {} vs list() and dict(), which is better?
...CTION 0
6 RETURN_VALUE
Same applies to the list vs []
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Which Java Collection should I use?
...ge from the oracle documentation which describes each Collection.
HashSet vs TreeSet
There is a detailed discussion of when to use HashSet or TreeSet here:
Hashset vs Treeset
ArrayList vs LinkedList
Detailed discussion: When to use LinkedList over ArrayList?
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Configure Microsoft.AspNet.Identity to allow email address as username
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Hao KungHao Kung
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Mixed mode assembly is built against version ‘v2.0.50727′ of the runtime
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The exception clearly identifies some .NET 2.0.50727 component was included in .NET 4.0. In App.config file use this:
<startup useLegacyV2RuntimeActivationPolicy="true" />
It solved my problem
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Copy file(s) from one project to another using post build event…VS2010
...get project meaning you have to click 'show all files' for it to appear in VS.
– BoundForGlory
Jun 12 '12 at 17:55
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Javascript call() & apply() vs bind()?
...llowing you to pass in a
this array and any number of arguments.
Apply vs. Call vs. Bind Examples
Call
var person1 = {firstName: 'Jon', lastName: 'Kuperman'};
var person2 = {firstName: 'Kelly', lastName: 'King'};
function say(greeting) {
console.log(greeting + ' ' + this.firstName + ' ' +...
define() vs. const
...est explanation I've seen, especially the part most people forget (compile vs. runtime).
– James
Feb 4 '17 at 23:15
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