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Intercept page exit event
...@mtmurdock, The second statement "var e = e || window.event;" means set e equal to the parameter e (if it's truthy) or window.event if not truthy. It will not be truthy if the parameter e is null.
– T Nguyen
Oct 16 '12 at 7:09
...
What does the function then() mean in JavaScript?
... of promises.
If a handler returns a promise (makes another asynchronous request), then the next
handler (success or error) will be called only after that request is finished.
So the previous example code might translate to something like the following, using
promises and the $http service(in Angu...
Why does flowing off the end of a non-void function without returning a value not produce a compiler
...
C99 and C++ standards don't require functions to return a value. The missing return statement in a value-returning function will be defined (to return 0) only in the main function.
The rationale includes that checking if every code path returns a value i...
Is there StartsWith or Contains in t sql with variables?
...
StartsWith
a) left(@edition, 15) = 'Express Edition'
b) charindex('Express Edition', @edition) = 1
Contains
charindex('Express Edition', @edition) >= 1
Examples
left function
set @isExpress = case when left(@edition, 15) = 'Express Edition' then 1 else 0 end
iif function (...
MongoDB Many-to-Many Association
... Read, Update, Delete, List Users, Add User, Remove User, Clear All Users, Index of User or similar to support "Is User In Role" (operations like a container + its own metadata).
User - Create, Read, Update, Delete (CRUD operations like a free-standing entity)
This can be modeled as the following ...
How to get label of select option with jQuery?
...
$("select#selectbox option:eq(0)").text()
The 0 index in the "option:eq(0)" can be exchanged for whichever indexed option you'd like to retrieve.
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In Flux architecture, how do you manage Store lifecycle?
...D_ERROR).
// Paginated Stores keep their data like this
[7, 10, 5, ...]
Indexed List Stores are like List Stores but they define one-to-many relationship. For example, “user's subscribers”, “repository's stargazers”, “user's repositories”. They also handle pagination.
They also norma...
Difference between . and : in Lua
...y the local variable? Because, as many have pointed out, obj:method() only indexes _ENV once to get obj. This normally just important when considering speed, but consider this situation:
local tab do
local obj_local = { method = function(self, n) print n end }
tab = setmetatable({}, {__index = ...
How to rsync only a specific list of files?
... answered Jan 22 '16 at 11:01
Waqas KhanWaqas Khan
12911 silver badge33 bronze badges
...
Bootstrap 3.0 - Fluid Grid that includes Fixed Column Sizes
...idth:240px;
background:red;
position:fixed;
height:100%;
z-index:1;
}
.col-fixed-160{
margin-left:240px;
width:160px;
background:blue;
position:fixed;
height:100%;
z-index:1;
}
.col-offset-400{
padding-left:415px;
z-index:0;
}
...
