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How do I copy a hash in Ruby?
I'll admit that I'm a bit of a ruby newbie (writing rake scripts, now). In most languages, copy constructors are easy to find. Half an hour of searching didn't find it in ruby. I want to create a copy of the hash so that I can modify it without affecting the original instance.
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How do I find out what keystore my JVM is using?
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Only for Linux. My Solaris has no readlink. In the end I used this Perl-Script:
#! /usr/bin/env perl
use strict;
use warnings;
use Cwd qw(realpath);
$_ = realpath((grep {-x && -f} map {"$_/keytool"} split(':', $ENV{PATH}))[0]);
die "Can not find keytool" unless defined $_;
my $keytool =...
How can I force Powershell to return an array when a call only returns one object?
...place '\s',''
$DeserializedJson = (New-Object -TypeName System.Web.Script.Serialization.JavaScriptSerializer -Property @{MaxJsonLength=67108864}).DeserializeObject($asJson)
}
$vmObjects is the output of Get-AzureRmVM.
I pass $DeserializedJson to the deployment template' parameter (of ty...
how can I Update top 100 records in sql server
... data issues (cycles) one at a time. The entire fix process involved a db script, some user intervention, and some application operations. We didn't care WHICH record was handled first. We just cared that we were handling them one at a time.
– MetaFight
Mar ...
psql: FATAL: role “postgres” does not exist
...n none is specified. The
default user is $USER, with no password.
Some scripts (e.g., a database backup created with pgdump on a Linux systsem) and tutorials will assume the superuser has the traditional role name of postgres.
You can make your local install look a bit more traditional and avoi...
Wrong Manifest.mf in IntelliJ IDEA created .jar
... include the classpath of its dependencies in its manifest.
The sh and bat script must then run that jar with accordingly.
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pinterest api documentation [closed]
... we all know is currently almost impossible.
Another option is to write a script to simulate a log in action to the /v3/login endpoint with your Pinterest username and password. It will return an access_token if request is successful. I'm not going into details about how this is done, as this is ne...
Accessing MP3 metadata with Python [closed]
... it can handle other formats, such as mp4, FLAC etc. I've written several scripts with a lot of success using this API.
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css 'pointer-events' property alternative for IE
...s uses a plugin that uses some not well known/understood properties of Javascript to take the mouse event and send it to another element.
There is also another Javascript solution here.
Update for October 2013: apparently it's coming to IE in v11. Source. Thanks Tim.
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Getting ssh to execute a command in the background on target machine
This is a follow-on question to the How do you use ssh in a shell script? question. If I want to execute a command on the remote machine that runs in the background on that machine, how do I get the ssh command to return? When I try to just include the ampersand (&) at the end of the command it ...