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Associative arrays in Shell scripts
...ell without writing a script, that has these properties. Stumped? It's the filesystem.
Really, all you need to have an associative array in shell programming is a temp directory. mktemp -d is your associative array constructor:
prefix=$(basename -- "$0")
map=$(mktemp -dt ${prefix})
echo >${map}...
How do I focus on one spec in jasmine.js?
...var Args = function(yargs) {
var _match = yargs.m || yargs.match;
var _file = yargs.f || yargs.file;
return {
match: function() { if (_match) { return {args: ['--grep', _match]} } }
};
}(args.argv);
var Tasks = function() {
var test = function() {
return gulp.src(Files.testFiles)...
Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)
...
ERROR! The server quit without updating PID file
– bastianwegge
Jan 24 '17 at 9:29
1
...
how to use sed, awk, or gawk to print only what is matched?
...e contents of the first set of bracks ($1).
You can do this will multiple file names on the end also. e.g.
perl -ne 'print $1 if /.*abc([0-9]+)xyz.*/' example1.txt example2.txt
share
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improve thi...
Why does @foo.setter in Python not work for me?
...on 2.6, and I'm having some trouble getting them to work. Here is my class file:
4 Answers
...
Why should we typedef a struct so often in C?
... x, int y);
and then provide the struct definition in the implementation file:
struct Point
{
int x, y;
};
Point * point_new(int x, int y)
{
Point *p;
if((p = malloc(sizeof *p)) != NULL)
{
p->x = x;
p->y = y;
}
return p;
}
In this latter case, you cannot return the Po...
Transferring files over SSH [closed]
...d, it will go:
# download: remote -> local
scp user@remote_host:remote_file local_file
where local_file might actually be a directory to put the file you're copying in. To upload, it's the opposite:
# upload: local -> remote
scp local_file user@remote_host:remote_file
If you want to cop...
Shortcut to exit scale mode in VirtualBox [closed]
...es not work (there have been some issues on Ubuntu), do the following:
1) File > Preferences > Input on the Virtual Machine which is stuck in Scale Mode
2) Change or Reset the Host Key. There's no need to even save after changing the settings
3) Re-open the Virtual Machine and it should be ...
update package.json version automatically
...r/bin/git-release. It is needed only a .git/hook/pre-release.sh executable file which edits your package.json file. Committing, pushing and tagging will be done by the git release command.
If you're not using any extension for git, you can write a shell script (I'll name it git-release.sh) and than...
Why can a class not be defined as protected?
...itself is a member) allow, what is the outer (which contains the member) ? File scope ? No, file outer is pointless because even multiple classes in single file will be compile into separate class files. So the outer is package. But the 3rd level default access modifier already means "package-privat...