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How do I solve the INSTALL_FAILED_DEXOPT error?
...r (5.0) emulator. This procedure (on Mac) fixed the issue:
stop emulator
cd ~/.android/avd/[emulator name].avd
rm *.lock
wipe emulator
start emulator
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In Unix, how do you remove everything in the current directory and below it?
...ply go up one level in the hierarchy and don't use a wildcard expression:
cd ..; rm -rf -- <dir-to-remove>
The two dashes -- tell rm that <dir-to-remove> is not a command-line option, even when it begins with a dash.
...
Find substring in the string in TWIG
... is contained in the right:
{# returns true #}
{{ 1 in [1, 2, 3] }}
{{ 'cd' in 'abcde' }}
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GOBIN not set: cannot run go install
...(from $GOPATH)
No matter what directory I was in:
nate:~/work/src/dir $ cd hello
nate:~/work/src/dir/hello $ go install hello.go
go install: no install location for .go files listed on command line (GOBIN not set)
nate:~/work/src/dir/hello $ go install hello
can't load package: package hello: ca...
How to export/import PuTTy sessions list?
...file = "putty.reg"
$content = Get-Content "$input_file"
"Push-Location"
"cd HKCU:\"
foreach ($line in $content) {
If ($line.StartsWith("Windows Registry Editor")) {
# Ignore the header
} ElseIf ($line.startswith("[")) {
$section = $line.Trim().Trim('[', ']')
'New-Item -Path "' + ...
Check if directory mounted with bash
...nted"
else
echo "Not mounted"
fi
Example:
mkdir -p /tmp/foo/{a,b}
cd /tmp/foo
sudo mount -o bind a b
touch a/file
ls b/ # should show file
rm -f b/file
ls a/ # should show nothing
[[ $(findmnt -M b) ]] && echo "Mounted"
sudo umount b
[[ $(findmnt -M b) ]] || echo "Unmounted"
...
Copying files from host to Docker container
... everything in /tmp/somefiles on the host to /var/www in the container:
$ cd /tmp/somefiles
$ tar -cv * | docker exec -i elated_hodgkin tar x -C /var/www
We can then exec /bin/bash in the container and verify it worked:
$ docker exec -it elated_hodgkin /bin/bash
root@b9b7400ddd8f:/# ls /var/www
...
Build Android Studio app via command line
...unning Gradle from the command line for Android Studio projects on Linux:
cd <project-root>
./gradlew
./gradlew tasks
./gradlew --help
Should get you started..
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How do I import global modules in Node? I get “Error: Cannot find module ”?
...bal package in your projects folder.
Example:
$ npm install -g express
$ cd [local path]/project
$ npm link express
All it does is create a local node_modules folder and then create a symlink express -> [global directory]/node_modules/express which can then be resolved by require('express')
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How can I view all the git repositories on my machine?
...
@jmlane for d in `find / -name ".git"`; do cd $d/..; echo `pwd`:; git status; echo; done
– LJ VanKuiken
Sep 26 '13 at 13:17
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