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How can I write a heredoc to a file in Bash script?
...t operator it can be combined with sudo if you need to write to files with root permissions.
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Co-variant array conversion from x to y may cause run-time exception
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The issue's root cause is correctly described in other answers, but to resolve the warning, you can always write:
_list.ForEach(lnkLbl => flPanel.Controls.Add(lnkLbl));
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How many threads can a Java VM support?
...ogram which spawns 25,000 threads and all those threads write some data in MySql database at regular interval of 2 seconds.
I ran this program with 10,000 threads for 30 minutes continuously then also my system was stable and I was able to do other normal operations like browsing, opening, closing...
Rake just one migration
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you might have to require "#{Rails.root}/db/migrate/your_migrations.rb"
– s2t2
Jun 11 '15 at 19:03
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First-time database design: am I overengineering? [closed]
...noting that if you're generating CSVs already and want to load them into a mySQL database, LOAD DATA LOCAL INFILE is your best friend: http://dev.mysql.com/doc/refman/5.1/en/load-data.html . Mysqlimport is also worth looking into, and is a command-line tool that's basically a nice wrapper around loa...
Version of Apache installed on a Debian machine
... when running Apache 2.4 on Ubuntu 14, apache2ctl -V does not work without root privileges (... and it does not print the version). Whereas it works on Ubuntu 12 with Apache 2.2. Tricky.
– philippe_b
May 12 '14 at 16:25
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Environment variables in Mac OS X
...g the change. If I set a variable as an ordinary user, it's not visible to root (via sudo) and vice-versa.
– Andrew
Feb 18 '11 at 11:11
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Best practices for in-app database migration for Sqlite
... after migration is %d", [self databaseSchemaVersion]);
}
And here's the root view controller code that invokes the migration, using MBProgressHUD to display a progress bezel:
- (void)viewDidAppear {
[super viewDidAppear];
if ([[Database sharedDatabase] userDatabaseNeedsMigration]) {
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Using Emacs as an IDE
...s daemon from your casual user, you probably can't connect emacs server as root.
So, if you need to open a file that has root access; use tramp instead. Just run your emacs client with your normal user and open files like this;
C-x C-f
/sudo:root@localhost/some/file/that/has/root/access/permissi...
Difference between HBase and Hadoop/HDFS
...d when you have real-time needs.
An analogous comparison would be between MySQL and Ext4.
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