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How can I clear scrollback buffer in Tmux?
...ind -n C-k clear-history
This binds ctrl-k to the tmux clear-history command. The -n after bind makes it so you don't have to issue the tmux command prefix (ctrl-b by default). I use bash, so ctrl-l already does the equivalent of typing "clear" at the command line. With these two keys I get a n...
Ruby: Easiest Way to Filter Hash Keys?
...t { |key, value| key.to_s.match(/^choice\d+/) }
or you can use delete_if and modify the existing Hash e.g.
params.delete_if { |key, value| !key.to_s.match(/choice\d+/) }
or if it is just the keys and not the values you want then you can do:
params.keys.select { |key| key.to_s.match(/^choice\d+...
What's the difference between window.location and document.location in JavaScript?
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+1 but also see the answers by Phil Hamer and Christoph below, they add essential background info and caveats to fully understand the issue.
– Jon z
Oct 31 '14 at 19:12
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Determining the size of an Android view at runtime
I am trying to apply an animation to a view in my Android app after my activity is created. To do this, I need to determine the current size of the view, and then set up an animation to scale from the current size to the new size. This part must be done at runtime, since the view scales to differe...
Difference between int[] array and int array[]
...d to help C programmers get used to java.
int[] array is much preferable, and less confusing.
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Proper way to make HTML nested list?
...o HTML5 ol.
The description list (HTML5 dl) is similar, but allows both dt and dd elements.
More Notes:
dl = definition list.
ol = ordered list (numbers).
ul = unordered list (bullets).
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How to undo “git commit --amend” done instead of “git commit”
...Note that HEAD@{1} is pointing somewhere different from the
# previous command. It's now pointing at the erroneously amended commit.)
git commit -C HEAD@{1}
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Why not to deploy on a Friday? [closed]
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You pretty much answered your own question. It's a short and sweet reason: if you ship on a Friday, and a bug makes it into production, there's generally no one around to fix it or talk to the customers until the following Monday. That's potentially several days of lost revenue i...
“Invalid signature file” when attempting to run a .jar
My java program is packaged in a jar file and makes use of an external jar library, bouncy castle . My code compiles fine, but running the jar leads to the following error:
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ruby inheritance vs mixins
...It follows that entities or things are generally best
modeled in classes, and characteristics or properties of entities or things are
best encapsulated in modules. Correspondingly, as noted in section 4.1.1, class
names tend to be nouns, whereas module names are often adjectives (Stack
versus St...