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What is the difference between typeof and instanceof and when should one be used vs. the other?
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typeof []; //object
{} instanceof Object; // true
typeof {}; // object
And the last one is a little bit tricky:
typeof null; // object
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Transfer-Encoding: gzip vs. Content-Encoding: gzip
...er requests
regarding that content (e.g., PUT or conditional GET) to be handled
correctly. This is, of course, why performing on-the-fly
content-encoding is a stupid idea, and why I added Transfer-Encoding
to HTTP as the proper way to do on-the-fly encoding without changing
the resource.
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Remap values in pandas column with a dict
... edited Oct 3 '18 at 8:31
Winand
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answered Nov 27 '13 at 19:06
DSM...
The EXECUTE permission was denied on the object 'xxxxxxx', database 'zzzzzzz', schema 'dbo'
...nswered Sep 14 '10 at 11:23
Rowland ShawRowland Shaw
35.8k1212 gold badges8888 silver badges158158 bronze badges
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Auto increment primary key in SQL Server Management Studio 2012
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Make sure that the Key column's datatype is int and then setting identity manually, as image shows
Or just run this code
-- ID is the name of the [to be] identity column
ALTER TABLE [yourTable] DROP COLUMN ID
ALTER TABLE [yourTable] ADD ID INT IDENTITY(1,1)
the co...
Code coverage with Mocha
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You need an additional library for code coverage, and you are going to be blown away by how powerful and easy istanbul is. Try the following, after you get your mocha tests to pass:
npm install nyc
Now, simply place the command nyc in front of your existing test command, ...
How to access remote server with local phpMyAdmin client?
Assuming there is a remote server and I have phpMyAdmin client installed localy on my computer. How can I access this server and manage it via phpMyAdmin client? Is that possible?
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How add “or” in switch statements?
...e the stated purpose is to not write duplicate code as done in your case 1 and 2.
– Gary.Ray
May 11 '09 at 15:20
Usefu...
Difference between array_push() and $array[] =
... as PHP has to look up the function reference, find its position in memory and execute whatever code it defines.
Using $arr[] = 'some value'; does not require a function call, and implements the addition straight into the data structure. Thus, when adding a lot of data it is a lot quicker and resou...
Default value of a type at Runtime [duplicate]
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There's really only two possibilities: null for reference types and new myType() for value types (which corresponds to 0 for int, float, etc) So you really only need to account for two cases:
object GetDefaultValue(Type t)
{
if (t.IsValueType)
return Activator.CreateInstance(...