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How to upgrade rubygems
...rubygems-update
update_rubygems
gem update --system
run this commands as root or use sudo.
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Freeing up a TCP/IP port?
...to see all of the processes listening for http requests on port 80 (run as root or use sudo):
# fuser 80/tcp
If you want to kill them, then just add the -k option.
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Convert seconds to Hour:Minute:Second
...ime::__construct(), DateTime::modify(), clone,
sprintf()
Run the Demo
MySQL example range of the result is constrained to that of the TIME data type, which is from -838:59:59 to 838:59:59 :
SELECT SEC_TO_TIME(8525);
# 02:22:05
See: SEC_TO_TIME
Run the Demo
PostgreSQL example:
SELECT TO_...
Using a remote repository with non-standard port
...his in your .ssh/config:
Host githost
HostName git.host.de
Port 4019
User root
then you should be able to use the basic syntax:
git push githost:/var/cache/git/project.git master
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Get current date in milliseconds
...oovy / Kotlin System.currentTimeMillis()
Javascript new Date().getTime()
MySQL* UNIX_TIMESTAMP() * 1000
Objective-C (long long)([[NSDate date] timeIntervalSi
How do I put my website's logo to be the icon image in browser tabs?
...Generator.
Then, you have two ways of setting it up:
A) Placing it on the root folder/directory of your website (next to index.html)
with the name favicon.ico.
or
B) Link to it between the <head></head> tags of every .html file on your site, like this:
<head>
<link rel="sh...
Use PPK file in Mac Terminal to connect to remote connection over SSH [closed]
...er
ssh -i ~/.ssh/id_dsa username@servername
Port Forwarding to connect mysql remote server
ssh -i ~/.ssh/id_dsa -L 9001:127.0.0.1:3306 username@serverName
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How to get record created today by rails activerecord?
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MySQL:
Model.all :condition => ["DATE(created_at) = ?", Date.today] # rails 2
Model.where("DATE(created_at) = ?", Date.today) # rails 3
PostgreSQL:
Model.all :condition => ["created_at::date = ?", Date.today] # rail...
an htop-like tool to display disk activity in linux [closed]
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A python version of this is here, but requires root: guichaz.free.fr/iotop
– Hayden Thring
Apr 9 '16 at 23:05
1
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This app won't run unless you update Google Play Services (via Bazaar)
...ther. It probably would work if I knew exactly which APKs to copy from my rooted device.
– James Wald
Dec 5 '12 at 4:28
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