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How to make vi redraw screen?
..., I think you might have mapped the key binding to something else. In that case, just use :redraw!
– huangzonghao
Sep 30 '19 at 22:19
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Vim: Move window left/right?
...o rotate windows up/left.
Ctrl w + r - To rotate windows down/right.
You can also use the "windows command mode" with navigation keys to change a window's position:
Ctrl w + L - Move the current window to the "far right"
Ctrl w + H - Move the current window to the "far left"
Ctrl w + J - Move th...
grep output to show only matching file
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grep -l
(That's a lowercase L)
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OpenShift rhc setup using multiple accounts
I have two accounts on Openshift platform. How can I setup my computer so that I can manage both of them with rhc ? I cannot find any relevant option in the command line arguments.
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What's the difference between `1L` and `1`?
...d you use it?
Most of the time it makes no difference - but sometimes you can use it to get your code to run faster and consume less memory. A double ("numeric") vector uses 8 bytes per element. An integer vector uses only 4 bytes per element. For large vectors, that's less wasted memory and less ...
Cost of len() function
... the helpful answer! Are there any native types for which this is not the case?
– mvanveen
Mar 16 '12 at 3:41
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How can I use grep to show just filenames on Linux?
How can I use grep to show just file-names (no in-line matches) on Linux?
4 Answers
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What really happens in a try { return x; } finally { x = null; } statement?
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No - at the IL level you can't return from inside an exception-handled block. It essentially stores it in a variable and returns afterwards
i.e. similar to:
int tmp;
try {
tmp = ...
} finally {
...
}
return tmp;
for example (using reflector):...
SQL query to find record with ID not in another table
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@PrinceJea actually it depends. See here for clarification
– John Woo
Aug 21 '12 at 7:32
When i...
Eclipse shortcut “go to line + column”
...L goes to a particular Line, there is also CTRL+Q to go to the last edit location. The is no key combination in Eclipse to go to a particular Line and Column.
You can use a Keyboard Macro (available as hardware in some keyboards and included as software with some other keyboards). An explanation fo...