linux swap flush
#!/bin/bash
free_mem="$(free | grep 'Mem:' | awk '{print $7}')"
used_swap="$(free | grep 'Swap:' | awk '{print $3}')"
echo -e "Free memory:\t$free_mem kB ($((free_mem / 1024)) MiB)\nUsed swap:\t$used_swap kB ($((used_swap / 1024)) MiB)"
if [[ $used_swap -eq 0 ]]; then
echo "No swap is in use."
elif [[ $used_swap -lt $free_mem ]]; then
echo "Freeing swap..."
sudo swapoff -a
sudo swapon -a
else
echo "Not enough free memory. Exiting."
exit 1
fihow to clear memory in ubuntu 18.04
# Clear PageCache, dentries and inodes.
sync; echo 3 > /proc/sys/vm/drop_cachesandroid how to split string
String currentString = "Fruit: they taste good";
String[] separated = currentString.split(":");
separated[0]; // this will contain "Fruit"
separated[1]; // this will contain " they taste good"how to split string in java android
String currentString = "Custom Section";
String[] splitarray = currentString.split(" ");
separated[0]; // this will contain "Custom"
separated[1]; // this will contain "Custom"
//assign to string variable
for (int i = 2; i < array.length; i++) {
secondName = secondName + " " + array[i];
}Copyright © 2021 Codeinu
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