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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 does the “@” symbol mean in reference to lists in Haskell?
... = Tree a [Tree a], then t@(Tree _ kids) gives you access to both the tree and its children.
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Add Keypair to existing EC2 instance
...gain SSH access to these instances, is it possible to create a new Keypair and apply it to the instances so I can SSH in? Obtaining the exisiting pem file for the keypair the instances were created under is currently not an option.
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Avoid browser popup blockers
I'm developing an OAuth authentication flow purely in JavaScript and I want to show the user the "grant access" window in a popup, but it gets blocked.
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Ng-model does not update controller value
Probably silly question, but I have my html form with simple input and button:
13 Answers
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What is your single most favorite command-line trick using Bash? [closed]
...es with suffixes quickly:
cp /home/foo/realllylongname.cpp{,-old}
This expands to:
cp /home/foo/realllylongname.cpp /home/foo/realllylongname.cpp-old
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answered Sep 16 '0...
Regular expression to allow spaces between words
I want a regular expression that prevents symbols and only allows letters and numbers. The regex below works great, but it doesn't allow for spaces between words.
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Configuring Vim for C++
... to make vim my C++ editor. I have very little experience working with it
and need help in configuring vim to work with C++.
I need such features as
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How can I copy the output of a command directly into my clipboard?
How can I pipe the output of a command into my clipboard and paste it back when using a terminal? For instance:
17 Answers
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How do I switch to another subversion branch in Intellij?
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Right because here you are "updating" your sandbox to a new branch.
– Shaun F
Oct 21 '09 at 0:47
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