大约有 36,010 项符合查询结果（耗时：0.0344秒） [XML]
Why is it not advisable to have the database and web server on the same machine?
...e sure that if one server is compromised, both systems aren't accessible? Do the security concerns outweigh the complexity of two servers (extra cost, dedicated network connection between the two, more maintenance, etc.), especially for a small application, where neither piece is using too much CPU...
How to create a subdirectory for a project QtCreator?
...r, there is no 'Add directory' and no such thing in 'Add new'. Can this be done somehow?
9 Answers
...
How do I run a Node.js application as its own process?
....js
Restart=always
User=nobody
# Note Debian/Ubuntu uses 'nogroup', RHEL/Fedora uses 'nobody'
Group=nobody
Environment=PATH=/usr/bin:/usr/local/bin
Environment=NODE_ENV=production
WorkingDirectory=/var/www/myapp
[Install]
WantedBy=multi-user.target
Note if you're new to Unix: /var/www/myapp/app.j...
Controlling a USB power supply (on/off) with Linux
...wer for the information on the newer kernels.
# disable external wake-up; do this only once
echo disabled > /sys/bus/usb/devices/usb1/power/wakeup
echo on > /sys/bus/usb/devices/usb1/power/level # turn on
echo suspend > /sys/bus/usb/devices/usb1/power/level # turn off
(You may n...
How do you truncate all tables in a database using TSQL?
...e.
Thanks to Robert for pointing out the fact that disabling constraints does not allow to use truncate, the constraints would have to be dropped, and then recreated
share
|
improve this answer
...
What exactly do “IB” and “UB” mean?
... but makes your code less portable.
UB: Undefined Behaviour. The standard does not specify how a program invoking undefined behaviour should behave. Also known as "nasal demons" because theoretically it could make demons fly out of your nose.
Using undefined behaviour is nearly always a bad idea. ...
What arguments are passed into AsyncTask?
I don't understand what I am supposed to put in here and where these arguments end up? What exactly should I put, and where exactly will it go? Do I need to include all 3 or can I include 1,2,20?
...
Google Maps API v3: How to remove all markers?
...gle Maps API v2, if I wanted to remove all the map markers, I could simply do:
31 Answers
...
How do I stop Notepad++ from showing autocomplete for all words in the file
...ou want is auto-completion on function only + suggestion on arguments.
To do that, you just need to change a setting.
Go to Settings > Preferences... > Auto-completion
Check Enable Auto-completion on each input
Select Function completion and not Word completion
Check Function parameter hint...
What is the difference between synchronous and asynchronous programming (in node.js)
...t is, the query will be processed in the background, while your program is doing other things, and once the query data is ready, you will do whatever you want with it.
So, in a nutshell: The first example will block, while the second won't.
The output of the following two examples:
// Example 1 -...