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How do I access my SSH public key?
...
cat ~/.ssh/id_rsa.pub or cat ~/.ssh/id_dsa.pub
You can list all the public keys you have by doing:
$ ls ~/.ssh/*.pub
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Convert Unix timestamp to a date string
...standard Perl solution is:
echo $TIMESTAMP | perl -nE 'say scalar gmtime $_'
(or localtime, if preferred)
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Rails extending ActiveRecord::Base
I've done some reading about how to extend ActiveRecord:Base class so my models would have some special methods. What is the easy way to extend it (step by step tutorial)?
...
How to call erase with a reverse iterator
...Apparently according to the standard [24.4.1/1] the relationship between i.base() and i is:
&*(reverse_iterator(i)) == &*(i - 1)
(from a Dr. Dobbs article):
So you need to apply an offset when getting the base(). Therefore the solution is:
m_CursorStack.erase( --(i.base()) );
EDIT
...
How to escape apostrophe (') in MySql?
...equences looks pretty similar.)
I think the Postgres note on the backslash_quote (string) parameter is informative:
This controls whether a quote mark can be represented by \' in a string literal. The preferred, SQL-standard way to represent a quote mark is by doubling it ('') but PostgreSQL ha...
How to construct a relative path in Java from two absolute paths (or URLs)?
...necessary checks for you.
String path = "/var/data/stuff/xyz.dat";
String base = "/var/data";
String relative = new File(base).toURI().relativize(new File(path).toURI()).getPath();
// relative == "stuff/xyz.dat"
Please note that for file path there's java.nio.file.Path#relativize since Java 1.7, ...
Why does mongoose always add an s to the end of my collection name
...static get schema () {
var schema = mongoose.Schema({
_id : {
type: String
},
Name: {
type: String,
required: true
},
Age: {
type: Number,
required: tr...
How to convert current date into string in java?
...d the answer right below for the timestring. C:
– php_coder_3809625
Jul 13 '16 at 13:54
@Ian Purton Is string date in ...
How to change color of Android ListView separator line?
...xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
<ListView
android:id="@+id/android:list"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:divider="#FFCC0...