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Unlimited Bash History [closed]
...want my .bash_history file to be unlimited. e.g. So I can always go back and see how I built/configured something, or what that nifty command was, or how some command broke something weeks ago. How do I change this setting?
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Change an HTML5 input's placeholder color with CSS
...here are three different implementations: pseudo-elements, pseudo-classes, and nothing.
WebKit, Blink (Safari, Google Chrome, Opera 15+) and Microsoft Edge are using a pseudo-element: ::-webkit-input-placeholder. [Ref]
Mozilla Firefox 4 to 18 is using a pseudo-class: :-moz-placeholder (one colon)....
what is reverse() in Django
...e sure what this is but it is used together with HttpResponseRedirect. How and when is this reverse() supposed to be used?
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javascript function leading bang ! syntax
I've been seeing this syntax on a few libraries now and I'm wondering what the benefit is. (note i'm well aware of closures and what the code is doing, I'm only concerned about the syntactical differences)
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Static hosting on Amazon S3 - DNS Configuration
...nt-side) I want to host it on Amazon S3. I've found several guides on this and have managed to create myself a bucket (with the same name as my domain), set it as a website and upload some content.
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Deleting all files from a folder using PHP?
For example I had a folder called `Temp' and I wanted to delete or flush all files from this folder using PHP. Could I do this?
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Color Tint UIButton Image
...o match the tint of the segmented control. I thought this was really cool, and was wondering if I could do this elsewhere as well. For example, I have a bunch of buttons that have a uniform shape but varied colors. Instead of making a PNG for each button, could I somehow use this color masking to us...
Why JSF saves the state of UI components on server?
...the state of UI components on the server side ?
Because HTTP is stateless and JSF is stateful. The JSF component tree is subject to dynamic (programmatic) changes. JSF simply needs to know the exact state as it was when the form had been displayed to the enduser, so that it can successfully process...
Can I restore deleted files (undo a `git clean -fdx`)?
I was following the instructions on making github pages , and forgot to move down into my git sub directory. As a result, I just nuked an entire directory of documents with git clean -fdx .
Is there any way I can undo this terrible mistake?
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You have already activated rake 0.9.0, but your Gemfile requires rake 0.8.7
... to make sure that rake is mentioned in your Gemfile. If it's not, add it, and specify the version "you already activated".
Then, you'll need to tell bundle to update the rake version it's using for your app:
bundle update rake
It'll update your Gemfile.lock for you.
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