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Easiest way to copy a single file from host to Vagrant guest?
...tu/trusty64:/usr/share/nginx/html I am trying to copy files into the nginx root directory. It says, The machine with the name 'C' was not found configured for this Vagrant environment. The directory and everything is fine.
– Koushik Das
Sep 23 '16 at 6:08
...
Postgresql: password authentication failed for user “postgres”
...count only by using the postgres OS user account.
Assuming, that you have root access on the box you can do:
sudo -u postgres psql
If that fails with a database "postgres" does not exists error, then you are most likely not on a Ubuntu or Debian server :-) In this case simply add template1 to th...
Add context path to Spring Boot application
I am trying to set a Spring Boot applications context root programmatically. The reason for the context root is we want the app to be accessed from localhost:port/{app_name} and have all the controller paths append to it.
...
Why is SELECT * considered harmful?
...tage of using * is that in some situations it can take better advantage of MySQL's cache systems. If you're running large numbers of similar select queries that request different column names (select A where X,select B where X,...) using a select * where X will allow the cache to handle a larger num...
How to generate sample XML documents from their DTD or XSD?
...ut when I try to do it, it is not working for me and it says please define root node but than it does not allow me to do so. So if anyone had worked with oxygenXML do suggest of what could be way around for this ?
– Rachel
Oct 21 '09 at 21:41
...
How can I get the MAC and the IP address of a connected client in PHP?
...you need to do is to put arp into diferrent group.
Default:
-rwxr-xr-x 1 root root 48K 2008-11-11 18:11 /usr/sbin/arp*
With command:
sudo chown root:www-data /usr/sbin/arp
you will get:
-rwxr-xr-x 1 root www-data 48K 2008-11-11 18:11 /usr/sbin/arp*
And because apache is a daemon running un...
How to copy a directory structure but only include certain files (using windows batch files)
...cho.
echo Syntax: %0 [Source_DIR] [Dest_DIR] [FileName]
echo Eg. : %0 D:\Root E:\Root\Lev1\Lev2\Lev3 *.JPG
echo Means : Copy *.JPG from D:\Root to E:\Root\Lev1\Lev2\Lev3
It accepts variable of "Source", "Destination", and "FileName".
It also can only copying specified type of files or selective ...
Get the distance between two geo points
...rectangular projection), much faster (it requires only 1 trig and 1 square root).
This approximation is relevant if your points are not too far apart. It will always over-estimate compared to the real haversine distance. For example it will add no more than 0.05382 % to the real distance if the del...
test a file upload using rspec - rails
...e_file_upload method to test file uploading:
Put your test file in "{Rails.root}/spec/fixtures/files" directory
before :each do
@file = fixture_file_upload('files/test_lic.xml', 'text/xml')
end
it "can upload a license" do
post :uploadLicense, :upload => @file
response.should be_success
e...
How to perform file system scanning
...tf("Visited: %s\n", path)
return nil
}
func main() {
flag.Parse()
root := flag.Arg(0)
err := filepath.Walk(root, visit)
fmt.Printf("filepath.Walk() returned %v\n", err)
}
Please note that filepath.Walk walks the directory tree recursively.
This is an example run:
$ mkdir -p dir1/dir...