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Get host domain from URL?
....GetLeftPart method.
http://www.contoso.com/index.htm?date=today --> http://www.contoso.com
http://www.contoso.com/index.htm#main --> http://www.contoso.com
nntp://news.contoso.com/123456@contoso.com --> nntp://news.contoso.com
file://server/filename.ext --> file://...
Jenkins Host key verification failed
...mpty for no passphrase):
Enter same passphrase again:
3)Press Enter --> Do not give any passphrase--> press enter
Key has been generated
4) go to --> cat /var/lib/jenkins/.ssh/id_rsa.pub
5) Copy key from id_rsa.pub
6)Exit from bash
7) ssh@yourrepository
8) vi .ssh/au...
Backup/Restore a dockerized PostgreSQL database
...our databases
docker exec -t your-db-container pg_dumpall -c -U postgres > dump_`date +%d-%m-%Y"_"%H_%M_%S`.sql
Restore your databases
cat your_dump.sql | docker exec -i your-db-container psql -U postgres
share
...
How to delete from multiple tables in MySQL?
...ts p
JOIN pets_activities pa ON pa.id = p.pet_id
WHERE p.order > :order
AND p.pet_id = :pet_id
Alternatively you can use...
DELETE pa
FROM pets_activities pa
JOIN pets p ON pa.id = p.pet_id
WHERE p.order > :order
AND p.pet_id = :pet_id
...to delete only f...
How do I handle too long index names in a Ruby on Rails ActiveRecord migration?
..._id", "university_id", "subject_name_id", "subject_type_id"],
:unique => true,
:name => 'my_index'
If using the :index option on references in a create_table block, it takes the same options hash as add_index as its value:
t.references :long_name, index: { name: :my_index }
...
In Java, how do I check if a string contains a substring (ignoring case)? [duplicate]
...sWith("dam"); // true
// Anywhere
b = string.indexOf("I am") >= 0; // true
// To ignore case, regular expressions must be used
// Starts with
b = string.matches("(?i)mad.*");
// Ends with
b = string.matches("(?i).*adam");
// Anywhere
b = string.matches("(?i).*i am.*");
...
“An attempt was made to load a program with an incorrect format” even when the platforms are the sam
...
In Visual Studio, Right Click your project -> On the left pane click the Build tab,
under Platform Target select x86 (or more generally the architecture to match with the library you are linking to)
I hope this helps someone! :)
...
How to configure IntelliJ (also Android Studio) redo shortcut to CTRL+Y instead of CTRL+SHIFT+Z?
...apping.
Give a new name to your copied keymap.
Right click on:
Main Menu -> Edit -> Redo to click "Add Keyboard Shortcut"
Press CTRL+Y
Click OK
Click "Remove" to "the shortcut is already assigned to other actions. Do you want to remove other assignments?"
If you want to use any "remove line"...
How to remove unused imports in Intellij IDEA on commit?
...n also set the option for "Optimize imports on the fly", under the Editor > Auto Import section
– matt b
Sep 25 '12 at 14:41
3
...
What does the arrow operator, '->', do in Java?
...ne tutorials to get the hang of it, here's a link to one. Basically, the -> separates the parameters (left-side) from the implementation (right side).
The general syntax for using lambda expressions is
(Parameters) -> { Body } where the -> separates parameters and lambda expression body.
Th...