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Rails: redirect_to with :error, but flash[:error] empty
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As stated in the Rails API only :notice and :alert are by default applied as a flash hash value. If you need to set the :error value, you can do it like this:
redirect_to show_path, flash: { error: "Insufficient rights!" }
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Bitwise operation and usage
...e operations.
In general, when dealing with that kind of applications, an API is available so you don't have to deal with all those details. For example, all modern programming languages provide libraries for socket connections, so you don't actually need to build the TCP/IP communication frames. B...
Make Heroku run non-master Git branch
...owing command in you local repository
git pull https://heroku:YOUR_HEROKU_API_KEY@git.heroku.com/YOUR_APP_NAME.git
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Getting the encoding of a Postgres database
..._database -c 'SHOW SERVER_ENCODING'
From within psql, an SQL IDE or an API:
SHOW SERVER_ENCODING
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Import multiple csv files into pandas and concatenate into one DataFrame
...-csv.html)
The Dask dataframes implement a subset of the Pandas dataframe API. If all the data fits into memory, you can call df.compute() to convert the dataframe into a Pandas dataframe.
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Set scroll position
...ts do have the 'scrollTo' method. See developer.mozilla.org/en-US/docs/Web/API/Element/scrollTo
– Narvalex
Apr 18 at 2:58
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creating list of objects in Javascript
...ferent for you, I recommend to watch some Unity Tutorials on the Scripting API.
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Most common C# bitwise operations on enums
...t loop, I would take the more readable (and less likely buggy) declarative API call any day.
– Drew Noakes
Oct 15 '12 at 23:57
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Easy way to list node modules I have npm linked?
... @cchamberlain can you point me to good CLI tool to model the API after? Or definitely feel free to contribute a cli command to github.com/ryanve/symlinked :)
– ryanve
Nov 15 '17 at 18:32
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$apply vs $digest in directive testing
...ssions
and compares them with the previous value.
And as per the Scope API documentation
Usually you don't call $digest() directly in controllers or in
directives. Instead a call to $apply() (typically from within a
directives) will force a $digest().
So you should not explicitly call ...