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Finding JavaScript memory leaks with Chrome
...r your example, I have adapted the code to show this process (you can find it here) delaying the creation of the Backbone View until the click event of the Start button. Now:
Run the HTML (saved locally of using this address) and take a snapshot.
Click Start to create the view.
Take another snapsh...
Handling a colon in an element ID in a CSS selector [duplicate]
... that colon looks like the beginning of a pseudo-element to the browser so it gets marked invalid and ignored. Is there anyway to escape the colon or something?
...
index.php not loading by default
I have just installed CentOS, Apache and PHP. When I visit my site http://example.com/myapp/ , it says "forbidden". By default it's not loading the index.php file.
...
JavaScript inheritance: Object.create vs new
... question you have mentioned that Both examples seem to do the same thing, It's not true at all, because
Your first example
function SomeBaseClass(){...}
SomeBaseClass.prototype = {
doThis : function(){...},
doThat : function(){...}
}
function MyClass(){...}
MyClass.prototype = Object.crea...
Rake just one migration
...w can I do this? I don't want to run any of the migrations before or after it. Thanks.
11 Answers
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Overriding id on create in ActiveRecord
... is just attr_protected, which is why you can't use mass-assignment to set it. However, when setting it manually, it just works:
o = SomeObject.new
o.id = 8888
o.save!
o.reload.id # => 8888
I'm not sure what the original motivation was, but I do this when converting ActiveHash models to Activ...
No module named pkg_resources
I'm deploying a Django app to a dev server and am hitting this error when I run pip install -r requirements.txt :
34 Answe...
Escaping ampersand character in SQL string
I am trying to query a certain row by name in my sql database and it has an ampersand. I tried to set an escape character and then escape the ampersand, but for some reason this isn't working and I'm uncertain as to what exactly my problem is.
...
How to fix “Referenced assembly does not have a strong name” error?
...
To avoid this error you could either:
Load the assembly dynamically, or
Sign the third-party assembly.
You will find instructions on signing third-party assemblies in .NET-fu: Signing an Unsigned Assembly (Without Delay Signing).
Signing Third-Party...
What's is the difference between include and extend in use case diagram?
...case adds steps to another first-class use case.
For example, imagine "Withdraw Cash" is a use case of an Automated Teller Machine (ATM). "Assess Fee" would extend Withdraw Cash and describe the conditional "extension point" that is instantiated when the ATM user doesn't bank at the ATM's owning...