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Can you write virtual functions / methods in Java?
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From wikipedia
In Java, all non-static methods are by
default "virtual functions." Only
methods marked with the keyword final,
which cannot be overridden, along with
private methods, which are not
inherited, are non-virtual.
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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...
How do I filter query objects by date range in Django?
...dering will be based on your model's default ordering, or if you use order_by over the generated QuerySet by the above mentioned filter. I haven't used Django in years.
– crodjer
Jun 11 '16 at 11:20
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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
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www-data permissions?
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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...
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.)
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Private vs Protected - Visibility Good-Practice Concern [closed]
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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...
ssh “permissions are too open” error
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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...
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 ...