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Accessing console and devtools of extension's background.js
... by doing a normal "show developer console" then use the dropdown arrow to selects its "javascript environment" then you'll have access to its methods, etc.
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Don't reload application when orientation changes
...ys a random image when it first loads and rotating the device should not select another random image.
How can I (simply) make this behavior stop?
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How safe is it to store sessions with Redis?
.../value pair, you can GET it immediately (i.e in real-time). The policy you select with regards to persistence (how much you delay the writes) will determine the upper-bound for how much data could be lost in a crash.
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Start/Stop and Restart Jenkins service on Windows
... To run cmd in admin mode 1. Open task manager 2. File - New Task 3. Select check box "Create task with admin previleges"
– Amit Jain
Jul 19 '18 at 6:01
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Delete a line in Eclipse
...Visual Studio, you would use Ctrl + L , whereas in Eclipse I am forced to select a line or, if it is empty, go the beginning of the line before clicking delete/backspace.
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Negative matching using grep (match lines that do not contain foo)
...s your friend:
grep --help | grep invert
-v, --invert-match select non-matching lines
Also check out the related -L (the complement of -l).
-L, --files-without-match only print FILE names containing no match
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Clear MySQL query cache without restarting server
...not clear it for me. Also, MySQL server restart does not help. An explicit SELECT SQL_NO_CACHE does the trick, but not RESET QUERY CACHE. sync && echo 3 | sudo tee /proc/sys/vm/drop_caches from the other answer didn't help, too.
– Jānis Elmeris
Aug 24 ...
Extract every nth element of a vector
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To select every nth element from any starting position in the vector
nth_element <- function(vector, starting_position, n) {
vector[seq(starting_position, length(vector), n)]
}
# E.g.
vec <- 1:12
nth_element(vec, ...
CSS rule to apply only if element has BOTH classes [duplicate]
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So, this will not select <div class="abc"> because it lacks xyz?
– Majid Fouladpour
Apr 26 '11 at 21:30
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Emacs Ruby autocomplete almost working
...e. This works well in most files except I've found it doesn't allow me to select an answer from the table when I'm editing some code in my ruby on rails project.
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