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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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Javascript what is property in hasOwnProperty?
...lobal or function code). I tried it in a blank HTML page and get a "cannot convert null to object" error.
– James Allardice
Feb 22 '12 at 14:39
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C/C++ maximum stack size of program
...what you are doing.
If the stack limit is a problem you should be able to convert your recursive solution into an iterative solution that pushes intermediate values onto a stack which is allocated from the heap.
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Numbering rows within groups in a data frame
...g this approach, make sure that you are not getting conflicts between plyr and dplyr as explained in this post It can be avoided by explicitly calling dplyr::mutate(...)
– EcologyTom
Apr 10 '18 at 14:16
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Visually managing MongoDB documents and collections [closed]
...ion pipeline builder), profiling manager, storage analyzer, index advisor, convert MongoDB commands to Node.js syntax etc. Lacks in-place document editing and the ability to switch themes.
Nosqlclient - multiple shell output tabs, autocomplete, schema analyzer, index management, user/role manageme...
How to display loading message when an iFrame is loading?
... string with anything that is url-compliant (special characters need to be converted to percent notation)
Example on fiddle
Pros:
No extra HTML-elements
No js
Text can easily (...) be adjusted without the need of an external program
It's SVG, so you can easily put any SVG you want in there.
C...
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 to check whether an object is a date?
... numbers. The method in this answer really tells you whether the value is convertible to a Date.
– bdukes
Jun 23 '15 at 20:44
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List all sequences in a Postgres db 8.1 with SQL
I'm converting a db from postgres to mysql.
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