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jQuery/JavaScript to replace broken images
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You probably want to clear out onerror before setting src. Otherwise if noimage.gif is also missing you might end up with a "stack overflow".
– pcorcoran
Sep 18 '08 at 17:14
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Ruby on Rails: Where to define global constants?
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For application-wide settings and for global constants I recommend to use Settingslogic. This settings are stored in YML file and can be accessed from models, views and controllers. Furthermore, you can create different settings for all your envi...
Calling a class function inside of __init__
... @rong If this code is venerable and you don't want to allow setting parse file from outside, yes it should be nested.
– Paritosh Singh
May 6 '18 at 2:24
add a c...
JavaScript: location.href to open in new window/tab?
...ention: Whether a new tab or window is created, is decided by the browser (setting).
– jAndy
Feb 28 '11 at 12:25
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How do I Moq a method that has an optional argument in its signature without explicitly specifying i
...r only choice right now is to explicitly include the bool parameter in the setup for Foo.
I don't think it defeats the purpose of specifying a default value. The default value is a convenience for calling code, but I think that you should be explicit in your tests. Say you could leave out specifyin...
How to use the 'sweep' function
...as per @James King's example.
Here's another based on a current project:
set.seed(1)
## 2x2x2 array
a1 <- array(as.integer(rnorm(8, 10, 5)), dim=c(2, 2, 2))
## 'element-wise' sum of matrices
## weights = 1
rowSums(a1, dims=2)
## weights
w1 <- c(3, 4)
## a1[, , 1] * 3; a1[, , 2] * 4
a1 <-...
Difference between DirectCast() and CType() in VB.NET
...behaviour at run-time - maybe on some user machine with different regional settings.
– MarkJ
Jun 17 '10 at 18:25
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You can't specify target table for update in FROM clause
...nane reason, doesn't allow you to write queries like this:
UPDATE myTable
SET myTable.A =
(
SELECT B
FROM myTable
INNER JOIN ...
)
That is, if you're doing an UPDATE/INSERT/DELETE on a table, you can't reference that table in an inner query (you can however reference a field from that...
Using multiple property files (via PropertyPlaceholderConfigurer) in multiple projects/modules
...unresolvable="true". If you have multiple files that each contain partial sets of properties, and each file may or may not exist, you will need to use both.
– datguy
Mar 5 '14 at 18:27
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Guid.NewGuid() vs. new Guid()
... possible to have a parameterless constructor on a value type that doesn't set everything to zero and null, but you can't do it in C#, and the rules about when it will be called and when there will just be an all-zero struct created are confusing, so it's not a good idea anyway.
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