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Turning multi-line string into single comma-separated
...k it down:
awk is great at handling data broken down into fields
-vORS=, sets the "output record separator" to ,, which is what you wanted
{ print $2 } tells awk to print the second field for every record (line)
file.txt is your filename
sed just gets rid of the trailing , and turns it into a newl...
What is the difference between public, protected, package-private and private in Java?
In Java, are there clear rules on when to use each of access modifiers, namely the default (package private), public , protected and private , while making class and interface and dealing with inheritance?
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Disable browsers vertical and horizontal scrollbars
...ndow viewport, and element positioned absolutely using bottom:nnPX will be set nn pixels above the bottom edge of the window, etc.
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List files recursively in Linux CLI with path relative to the current directory
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any setting to list only the files, and exclude folders?
– thebugfinder
Mar 26 '15 at 5:57
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how to remove the dotted line around the clicked a element in html
...ould be even better?), remove the outline for just that link (while also resetting any and all links back to have an outline right before said removal ... else things get cumulatively stuck being unoutlined). This temporarily removes the outline from the last clicked element while keeping it on othe...
How to sort in-place using the merge sort algorithm?
I know the question is not too specific.
10 Answers
10
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Can linux cat command be used for writing text to file?
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I use the following code to write raw text to files, to update my CPU-settings. Hope this helps out!
Script:
#!/bin/sh
cat > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor <<EOF
performance
EOF
cat > /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor <<EOF
perfor...
mysql: see all open connections to a given database?
..._connected | 127 |
+--------------------------+-------+
7 rows in set (0.01 sec)
Feel free to use
Mysql-server-status-variables or Too-many-connections-problem
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onActivityResult() & onResume() [duplicate]
...ch data in both onCreate() and onResume(), with onResume() checking a flag set in onCreate() to see if the data have just been initialized in onCreate), and then updating it in onResume() only if they have not been. That way, some vintage of it will always be available (at least as of the previous ...
What causes and what are the differences between NoClassDefFoundError and ClassNotFoundException?
What is the difference between NoClassDefFoundError and ClassNotFoundException ?
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