大约有 47,000 项符合查询结果(耗时:0.0287秒) [XML]
SQL Server 2008: How to query all databases sizes?
...id, type, size * 8.0 / 1024 size
from sys.master_files
)
select
nam>me m>,
(select sum(size) from fs where type = 0 and fs.database_id = db.database_id) DataFileSizeMB,
(select sum(size) from fs where type = 1 and fs.database_id = db.database_id) LogFileSizeMB
from sys.databases db
...
iOS: How to store usernam>me m>/password within an app?
I have a login-screen in my iOS app.
The usernam>me m> and password will be saved in the NSUserDefaults and be loaded into the login-screen again when you enter the app again (of course, NSUserDefaults are permanent).
...
Why doesn't Haskell's Prelude.read return a Maybe?
...v:readMaybe
Great question! The type of read itself isn't changing anytim>me m> soon because that would break lots of things. However, there should be a maybeRead function.
Why isn't there? The answer is "inertia". There was a discussion in '08 which got derailed by a discussion over "fail."
The goo...
Why should I use core.autocrlf=true in Git?
...is accessed from both Windows and OS X, and that I know already contains som>me m> files with CRLF line-endings. As far as I can tell, there are two ways to deal with this:
...
Python AttributeError: 'module' object has no attribute 'Serial' [duplicate]
...serial port with Python 2.6 on my Raspberry Pi running Debian.
My script nam>me m>d serial.py tries to import pySerial:
8 Answ...
Display string as html in asp.net mvc view
...
IHtmlString as m>me m>ntioned by @Jerad Rose is much better
– Pratyush Dhanuka
Aug 20 '18 at 11:30
add a comm>me m>nt
...
Open the file in universal-newline mode using the CSV Django module
...Python using the csv module. It's working on Windows, but on Mac it gave m>me m> this:
1 Answer
...
django admin - add custom form fields that are not part of the model
...extra_field = self.cleaned_data.get('extra_field', None)
# ...do som>me m>thing with extra_field here...
return super(YourModelForm, self).save(commit=commit)
class m>Me m>ta:
model = YourModel
To have the extra fields appearing in the admin just:
edit your admin.py and set th...
Create an index on a huge MySQL production table without table locking
...le, and I fear a complete block of everything if I run a CREATE INDEX statem>me m>nt...
4 Answers
...
Express-js wildcard routing to cover everything under and including a path
...b/master/lib/middleware/router.js
If you have 2 routes that perform the sam>me m> action you can do the following to keep it DRY.
var express = require("express"),
app = express.createServer();
function fooRoute(req, res, next) {
res.end("Foo Route\n");
}
app.get("/foo*", fooRoute);
app.get("/f...
