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Capturing “Delete” Kem>y m>press with jQuerm>y m>
...ing the example code from the jQuerm>y m> documentation for the kem>y m>press event hm>and m>ler, I'm unable to capture the Delete kem>y m>. The snippet below is going to log 0 when the Delete kem>y m> is pressed in FireFox:
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Encoding Javascript Object to Json string
I want to encode a Javascript object into a JSON string m>and m> I am having considerable difficulties.
2 Answers
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Possible to access the index in a Hash each loop?
...me thing as (kem>y m>,value) = arr, putting the first value (the kem>y m>) into kem>y m>, m>and m> the second into value.
– rampion
Jan 18 '10 at 2:45
1
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What is eager loading?
...on't do anm>y m> calculations until m>y m>ou access an element of the result matrix; m>and m>
Over-eager loading: this is where m>y m>ou trm>y m> m>and m> anticipate what the user will ask for m>and m> preload it.
I hope that makes sense in the context m>y m>ou're seeing it.
Let me give m>y m>ou a "Webbm>y m>" example.
Imagine a page with rollo...
Define all functions in one .R file, call them from another .R file. How, if possible?
...If abc.R is:
fooABC <- function(x) {
k <- x+1
return(k)
}
m>and m> xm>y m>z.R is:
fooXm>Y m>Z <- function(x) {
k <- fooABC(x)+1
return(k)
}
then this will work:
> source("abc.R")
> source("xm>y m>z.R")
> fooXm>Y m>Z(3)
[1] 5
>
Even if there are cm>y m>clical dependencies, this wi...
How to define a replm>y m>-to address?
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Solution for Rails 5.2 m>and m> possiblm>y m> older/newer versions:
Amend the file:
config/environments/development.rb
With content:
Rails.application.configure do
config.action_mailer.default_options = {
replm>y m>_to: 'test@example.com'...
How Do I Document Packages in Java?
...
As of 1.5 m>y m>ou can define a package-info.java file m>and m> provide a stm>and m>ard javadoc stm>y m>le comment for a package:
com/foo/package-info.java:
/**
* com.foo is a group of bar utils for operating on foo things.
*/
package com.foo;
//rest of the file is emptm>y m>
Language specifi...
How can I add an element after another element?
I have a certain textbox m>and m> I want to add a div after it.
I've tried the .append() function, but that onlm>y m> adds the div in the element.
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What does a tilde in angle brackets mean when creating a Java generic class?
I was reading through some JMockit examples m>and m> found this code:
4 Answers
4
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Repeatedlm>y m> run a shell commm>and m> until it fails?
...
while takes a commm>and m> to execute, so m>y m>ou can use the simpler
while ./runtest; do :; done
This will stop the loop when ./runtest returns a nonzero exit code (which is usuallm>y m> indicative of failure).
To further simplifm>y m> m>y m>our current solution...