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ArrayList initialization equivalent to array initialization [duplicate]
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The selected answer is: ArrayList<Integer>(Arrays.asList(1,2,3,5,8,13,21));
However, its important to understand the selected answer internally copies the elements several times before creating the final array, and that th...
How to get an object's properties in JavaScript / jQuery?
...ct. Even most of those primitives are actually also objects with a limited selection of methods. They are cast into objects under the hood, when required. To know the base class name, you may invoke the Object.prototype.toString method on an object, like this:
alert(Object.prototype.toString.call([...
How to ssh to vagrant without actually running “vagrant ssh”?
...lhost
To account for when you have more than one vagrant host, this will select the desired host, as well as cull blank lines from the config (using sed):
HOST=name-of-my-host
ssh $(vagrant ssh-config $HOST | sed '/^[[:space:]]*$/d' | awk 'NR>1 {print " -o "$1"="$2}') localhost
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How to check if activity is in foreground or in visible background?
...stem dialogue box pops-up and I only want to finish() ; once the user has selected an option from the dialogue box?
23 An...
How to display hidden characters by default (ZERO WIDTH SPACE ie. ​)
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@WillSewell, you may affect the color by selecting Settings -> Editor -> Color Scheme -> General, then within that category, go to Text -> Whitespaces. I changed mine from the default Foreground #505050 to #404040 , and find them visible but not distract...
“Default Activity Not Found” on Android Studio upgrade
...e launch activity default?
possibly this could be your mistake
Step 1: Select Edit Configurations
Step 2: watch this warning: Default Activity not found
Step 3: select a default activity
Step 3: Save your changes and finish
Good Luck
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What is the cleanest way to disable CSS transition effects temporarily?
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Should probably select both ".notransition" and ".notransition *" to be fully effective.
– Nathan
Dec 27 '14 at 6:56
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Vim Configure Line Number Coloring
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I didn't like the colors provided by the selected color scheme so I modified the color of the line numbers this way:
colorscheme trivial256 " for light background
hi LineNr term=bold cterm=bold ctermfg=2 guifg=Grey guibg=Grey90
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Hide hidden(dot) files in github atom editor
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As stated above, Application menu > Preferences… > select Packages in the sidebar, search for "Tree View", click the Settings button > check Hide Ignored Names.
And now with pictures:
share
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How to use arguments from previous command?
... see:
$ echo ace
By the way, you could have put the echo on the line by selecting argument 0:
Press Alt-0 Alt-Ctrl-y
Edit:
To answer the question you added to your original:
You can press Alt-0 then repeatedly press Alt-. to step through the previous commands (arg 0). Similarly Alt-- then rep...