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MySQL: @variable vs. variable. What's the difference?
...are loosely typed variables that may be initialized somewhere in a session and keep their value until the session ends.
They are prepended with an @ sign, like this: @var
You can initialize this variable with a SET statement or inside a query:
SET @var = 1
SELECT @var2 := 2
When you develop a stor...
How can I solve a connection pool problem between ASP.NET and SQL Server?
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If your function returns SqlDataReader you are better off converting it to DataTable than raising the max pool size
– live-love
Dec 8 '14 at 20:12
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HtmlSpecialChars equivalent in Javascript?
... is a better alternative than writing your own function if your strings to convert are not too large.
Remove unnecessary svn:mergeinfo properties
...o just mergeinfo only changes, strips everything but the actual file path, converts the one-per-line paths into a space delimited list, and the calls revert on that list.
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Laravel Check If Related Model Exists
...$relation) is a general solution for all relations. It will work for Model and Collection, while Model has no ->count() method.
– Jarek Tkaczyk
Jul 29 '14 at 17:16
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Using “super” in C++
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After I few months, I was converted to your viewpoint (and I DID had a bug because of a forgotten "super", like you mentionned...). You are quite right in your answer, including the chaining, I guess. ^_^ ...
– paercebal
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Best way to split string into lines
...ible solutions I prefer the one using regular expressions since only that handles all source platforms correctly.
– Konrad Rudolph
Jan 20 '11 at 17:14
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Why does appending “” to a String save memory?
...owing:
data.substring(x, y) + ""
creates a new (smaller) String object, and throws away the reference to the String created by substring(), thus enabling garbage collection of this.
The important thing to realise is that substring() gives a window onto an existing String - or rather, the charac...
Difference between string and text in rails?
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The difference relies in how the symbol is converted into its respective column type in query language.
with MySQL :string is mapped to VARCHAR(255)
- http://guides.rubyonrails.org/migrations.html
:string | VARCHAR | :limit =&g...
“The file ”MyApp.app“ couldn't be opened because you don't have permission to view it” when running
...d a similar problem. Info.plist file was in the binary file format. Had to convert it
– Luca Torella
Oct 2 '15 at 8:14
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