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How do you do Impersonation in .NET?
...ccess to that user account via a username and password, although these two ideas pair together frequently. I will describe them both, and then explain how to use my SimpleImpersonation library, which uses them internally.
Impersonation
The APIs for impersonation are provided in .NET via the Syste...
C state-machine design [closed]
...t that it never occurred to me to introduce 'wildcard' states. Interesting idea! However, iterating the array of transitions might become expensive if you have a lot of states (which was the case for me since the C code was automatically generated). In such situations, it would be more efficient to ...
How to UPSERT (MERGE, INSERT … ON DUPLICATE UPDATE) in PostgreSQL?
...pd.id, followed by a bare INSERT INTO testtable SELECT * FROM newvals? My idea with this: instead of filtering twice in INSERT (for the JOIN/WHERE and for the unique constraint), reuse the existence check results from the UPDATE, which are in RAM already, and may be much smaller. This may be a win ...
Difference between DTO, VO, POJO, JavaBeans?
... introduced with EJB. Instead of performing many remote calls on EJBs, the idea was to encapsulate data in a value object that could be transfered over the network: a Data Transfer Object. Wikipedia has a decent definition of Data Transfer Object:
Data transfer object (DTO), formerly known as va...
Database development mistakes made by application developers [closed]
...egation (ie the GROUP BY clause) can be compared to joins.
To give you an idea of how widespread this is, I've written on this topic several times here and been downvoted a lot for it. For example:
From SQL statement - “join” vs “group by and having”:
First query:
SELECT userid
FROM ...
What does a Ajax call response like 'for (;;); { json data }' mean? [duplicate]
...tion with an attack on Gmail that was published by Jeremiah Grossman.
The idea is as simple as beautiful: A lot of users tend to be logged in permanently in Gmail or Facebook. So what you do is you set up a site and in your malicious site's Javascript you override the object or array constructor:
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In Django, how does one filter a QuerySet with dynamic field lookups?
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-1 calling eval() on user import is a bad idea, even if you trust your users completely. A JSON field would be a better idea here.
– John Carter
Sep 20 '17 at 2:59
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What is the meaning of “POSIX”?
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Good idea to actually explain what POSIX covers (and what not).
– sleske
Sep 15 '15 at 12:15
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How does Windows 8 Runtime (WinRT / Windows Store apps / Windows 10 Universal App) compare to Silver
...and other such trivial refactorings in existing Silverlight code. The core ideas behind WPF/Silverlight - declarative markup, resources, styles, templates, data bindings etc - are all there. Most controls are there also.
– Pavel Minaev
Sep 14 '11 at 22:07
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When should I really use noexcept?
...e I have ever seen anybody give where noexcept is clearly helpful / a good idea. I am starting to think move construction, move assignment, and swap are the only cases there are... Do you know of any others?
– Nemo
Dec 25 '14 at 2:16
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