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Difference between Destroy and Delete
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Basically destroy runs any callbacks on the model while delete doesn't.
From the Rails API:
ActiveRecord::Persistence.delete
Deletes the record in the database and freezes this instance to reflect that no changes should be ...
How can I pass an argument to a PowerShell script?
...te -eq 1)
{
$iTunes.PlayerPosition = $iTunes.PlayerPosition + $step
}
Call it with
powershell.exe -file itunesForward.ps1 -step 15
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psql: FATAL: database “” does not exist
... it in the past on other machines but it's giving me some trouble when installing on my macbook. I've installed the application and I ran:
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What does the smiley face “:)” mean in CSS?
...wsers.
Also there's a hack for <= IE 8:
div {
color: blue; /* All browsers */
color: purple\9; /* IE8 and earlier */
*color: pink; /* IE7 and earlier */
}
However that's not a good idea, they don't validate. You always feel free to work with Conditional comments for targeting...
Xcode suddenly stopped running project on hardware: “Could not launch xxx.app: .. No such file..” [c
...tarted directly after I deleted it from the device and attempted to re-install by rerunning it in Xcode (something I've done hundreds of times before).
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Process all arguments except the first one (in a bash script)
...a simple script where the first argument is reserved for the filename, and all other optional arguments should be passed to other parts of the script.
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Get specific object by id from array of objects in AngularJS
...h. Binary search is clever, sure, but only if the array is already sorted, and in reality is: 1. easy to poorly implement, 2. Harder to read if poorly implemented.
– Ben Lesh
Oct 25 '13 at 14:51
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What is the correct way to start a mongod service on linux / OS X?
I've installed mongodb and have been able to run it, work with it, do simple DB read / write type stuff. Now I'm trying to set up my Mac to run mongod as a service.
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Scroll Automatically to the Bottom of the Page
... list of questions. When I click on the first question, it should automatically take me to the bottom of the page.
23 Answ...
git: abort commit in the middle of typing message
...he commit message into one of vim's buffers.
It's worth noting that you really don't have to do this at all: commit --amend lets you alter the commit after it's made, so the easy solution is to produce the commit with what you've got and then fix it before pushing. You can even just finish the comm...