大约有 40,000 项符合查询结果（耗时：0.0615秒） [XML]
Split a collection into `n` parts with LINQ?
...
Doing all those modulus operations can get a bit expensive on long lists.
– Jonathan Allen
Mar 17 '09 at 18:11
...
Most common C# bitwise operations on enums
...nfuse the issue. The .NET Enumeration Type Naming Guidelines indicate that all [Flags] enums should have pluralised names, so the name FlagsEnum has even more serious issues than ugliness.
– Drew Noakes
Jan 16 '13 at 11:48
...
Return Boolean Value on SQL Select Statement
...
What you have there will return no row at all if the user doesn't exist. Here's what you need:
SELECT CASE WHEN EXISTS (
SELECT *
FROM [User]
WHERE UserID = 20070022
)
THEN CAST(1 AS BIT)
ELSE CAST(0 AS BIT) END
...
How to stop app that node.js express 'npm start'
...ackage.json, and then use npm stop
npm help npm-stop
You can make this really simple if you set in app.js,
process.title = myApp;
And, then in scripts.json,
"scripts": {
"start": "app.js"
, "stop": "pkill --signal SIGINT myApp"
}
That said, if this was me, I'd be using pm2 or some...
Histogram using gnuplot?
...edited Feb 8 '14 at 23:38
Matt Ball
323k8585 gold badges598598 silver badges672672 bronze badges
answered Mar 29 '10 at 14:52
...
HTTP Error 404.3 - Not Found" while browsing wcf service on Windows Server 2008(64bit)
...trol panel -> Turn Windows feature on or off -> and make sure you've all the options ticked as mentioned in below screenshot.
You might need to activate each box and accept in case you get errors when activating all features at once
...
Checking for NULL pointer in C/C++ [closed]
In a recent code review, a contributor is trying to enforce that all NULL checks on pointers be performed in the following manner:
...
Set up git to pull and push all branches
I'd like to push and pull all the branches by default, including the newly created ones.
8 Answers
...
Bootstrap 3 - Why is row class is wider than its container?
...
In all grid systems, there are gutters between each column. Bootstrap's system sets a 15px padding on both the left and the right of each column to create this gutter.
The issue is that the first column should not have half a g...
ERROR 1044 (42000): Access denied for user ''@'localhost' to database 'db'
...
how can I go to bash?I had problem installing mysql see here superuser.com/questions/377679/… I just know abt it in command line
– Nickool
Jan 12 '12 at 17:01
...