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How does Facebook Sharer select Images and other metadata when sharing my URL?
When using Facebook Sharer, Facebook will offer the user the option of using 1 of a few images pulled from the source as a preview for their link. How are these images selected, and how can I ensure that any particular image on my page is always included in this list?
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String literals and escape characters in postgresql
Attempting to insert an escape character into a table results in a warning.
5 Answers
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Is there a macro recorder for Eclipse? [closed]
Is there a good Eclipse plugin for recording and playing back macros?
9 Answers
9
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Find the number of columns in a table
It is possible to find the number of rows in a table:
19 Answers
19
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private[this] vs private
In Scala I see such feature as object-private variable. From my not very rich Java background I learnt to close everything (make it private) and open (provide accessors) if necessary. Scala introduces even more strict access modifier. Should I always use it by default? Or should I use it only in som...
Simple insecure two-way data “obfuscation”?
I'm looking for very simple obfuscation (like encrypt and decrypt but not necessarily secure) functionality for some data. It's not mission critical. I need something to keep honest people honest, but something a little stronger than ROT13 or Base64 .
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Exploitable PHP functions
I'm trying to build a list of functions that can be used for arbitrary code execution. The purpose isn't to list functions that should be blacklisted or otherwise disallowed. Rather, I'd like to have a grep -able list of red-flag keywords handy when searching a compromised server for back-doors.
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What's the difference between Unicode and UTF-8? [duplicate]
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most editors support save as ‘Unicode’ encoding actually.
This is an unfortunate misnaming perpetrated by Windows.
Because Windows uses UTF-16LE encoding internally as the memory storage format for Unicode strings, it considers this to be the natural encoding of Uni...
Attach to a processes output for viewing
How would I 'attach' a console/terminal-view to an applications output so I can see what it may be saying?
7 Answers
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When do I really need to use atomic instead of bool? [duplicate]
...tomic<bool> redundant because bool is atomic by nature? I don't think it's possible to have a partially modified bool value. When do I really need to use atomic<bool> instead of bool ?
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