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express.js - single routing handler for multiple routes in a single line
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app.get('/:var(bla|blabla)?', todo)
:var sets the req.param that you don't use. it's only used in this case to set the regex.
(bla|blabla) sets the regex to match, so it matches the strings bla and blablah.
? makes the entire regex optional, so it matches / as wel...
Ajax using https on an http page
... hmm i have tried jquery .ajax with jsonp:'jsonp_callback' option set, but still same js error.
– user135863
Jul 9 '09 at 20:18
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Realistic usage of the C99 'restrict' keyword?
...← *a ; Load the value of a pointer
add R2 += R1 ; Perform Addition
set R2 → *a ; Update the value of a pointer
; Similarly for b, note that x is loaded twice,
; because x may point to a (a aliased by x) thus
; the value of x will change when the value of a
; changes.
load R1 ← *x
lo...
Dynamic SQL - EXEC(@SQL) versus EXEC SP_EXECUTESQL(@SQL)
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Declare the variable
Set it by your command and add dynamic parts like use parameter values of sp(here @IsMonday and @IsTuesday are sp params)
execute the command
declare @sql varchar (100)
set @sql ='select * from #td1'
if (@IsMonday+@IsTue...
is of a type that is invalid for use as a key column in an index
...types like text, ntext ) cannot be used in indices. You have 2 options:
1. Set a limited size on the key field ex. nvarchar(100)
2. Create a check constraint that compares the value with all the keys in the table.
The condition is:
([dbo].[CheckKey]([key])=(1))
and [dbo].[CheckKey] is a scalar fu...
List tables in a PostgreSQL schema
...in your search_path, and that defaults to "$user", public.*. Consequently, set search_path=s; \dt is going to list all tables in the schema s.
– Lukas Juhrich
Jan 25 at 15:32
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How to configure static content cache per folder and extension in IIS7?
I would like to set up rules in IIS7 for static content caching in my ASP.NET website.
3 Answers
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Bug With Firefox - Disabled Attribute of Input Not Resetting When Refreshing
... form input values across page refreshes. To fix this behavior, you simply set autocomplete="off" on the form containing the inputs, or just directly to the input.
This stops autocomplete from working and prevents the browser from remembering the state of input fields.
Alternatively, you can just ...
Explain the “setUp” and “tearDown” Python methods used in test cases
Can anyone explain the use of Python's setUp and tearDown methods while writing test cases apart from that setUp is called immediately before calling the test method and tearDown is called immediately after it has been called?
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Explanation of strong and weak storage in iOS5
... got a two pointers to <some_object>, one strong and one weak. If we set strongObject to nil like so:
strongObject = nil;
Then if you go through the rules you outlined then you'll ask yourself these questions:
Strong: "keep this in the heap until I don't point to it anymore"
strongObject...