大约有 36,200 项符合查询结果（耗时：0.0377秒） [XML]
www-data permissions?
...
what can the user do with files created by www-data in cake itself, and files created by www-data in a directory which is created by www-data? for example, about edit, rename, delete operations? as i understand, renaming and deleting are not possible inside directo...
How do I write LINQ's .Skip(1000).Take(100) in pure SQL?
...ders AS
(
SELECT SalesOrderID, OrderDate,
ROW_NUMBER() OVER (ORDER BY OrderDate) AS 'RowNumber'
FROM Sales.SalesOrderHeader
)
SELECT *
FROM OrderedOrders
WHERE RowNumber BETWEEN 51 AND 60; --BETWEEN is inclusive
...
Repeat String - Javascript
...blem is a well-known / "classic" optimization issue for JavaScript, caused by the fact that JavaScript strings are "immutable" and addition by concatenation of even a single character to a string requires creation of, including memory allocation for and copying to, an entire new string.
Unfortunate...
Any reason to write the “private” keyword in C#?
...I don't write public , protected , internal , etc. it will be private by default). (Please correct me if I am wrong.)
...
ssh “permissions are too open” error
...
Keys need to be only readable by you:
chmod 400 ~/.ssh/id_rsa
If Keys need to be read-writable by you:
chmod 600 ~/.ssh/id_rsa
600 appears to be fine as well (in fact better in most cases, because you don't need to change file permissions later to e...
efficient way to implement paging
...me],
[t1].[Code]
FROM (
SELECT ROW_NUMBER() OVER (
ORDER BY [t0].[CodCity],
[t0].[CodCountry],
[t0].[CodRegion],
[t0].[Name],
[t0].[Code]) AS [ROW_NUMBER],
[t0].[CodCity],
[t0].[CodCountry],
[t0].[CodRegion],
[t...
Private vs Protected - Visibility Good-Practice Concern [closed]
...
Let me preface this by saying I'm talking primarily about method access here, and to a slightly lesser extent, marking classes final, not member access.
The old wisdom
"mark it private unless you have a good reason not to"
made sense in days w...
How to grant remote access permissions to mysql server for user?
...om:
GRANT ALL PRIVILEGES ON *.* TO 'root'@'%.example.com'
IDENTIFIED BY 'some_characters'
WITH GRANT OPTION;
FLUSH PRIVILEGES;
If name resolution is not going to work, you may also grant access by IP or subnet:
GRANT ALL PRIVILEGES ON *.* TO 'root'@'192.168.1.%'
IDENTIFIED BY 'so...
Find the index of a dict within a list, by matching the dict's value
...ne)
# 1
If you need to fetch repeatedly from name, you should index them by name (using a dictionary), this way get operations would be O(1) time. An idea:
def build_dict(seq, key):
return dict((d[key], dict(d, index=index)) for (index, d) in enumerate(seq))
info_by_name = build_dict(lst, ke...
What is the difference between ports 465 and 587?
...outgoing connections to SMTP port (port 25).
SSL encryption may be started by STARTTLS command at SMTP level if server supports it and your ISP does not filter server's EHLO reply (reported 2014).
Port 25 is used by MTA to MTA communication (mail server to mail server). It may be used for client ...