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ERROR 2006 (HY000): MySQL server has gone away
...L/MariaDB server.
Double check the value was set properly by:
mysql -sve "SELECT @@max_allowed_packet" # or:
mysql -sve "SHOW VARIABLES LIKE 'max_allowed_packet'"
You got a timeout from the TCP/IP connection on the client side.
Solution: Increase wait_timeout variable.
You tried to run a query a...
Amend a commit that wasn't the previous commit [duplicate]
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Have I misunderstood? It seems you actually have to select a commit before the one you want to change. If sha1 is the hash of the commit you want to change, you'd specify sha1^ on the rebase command. Otherwise, the commit to change doesn't appear in the list.
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How to switch databases in psql?
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You can select the database when connecting with psql. This is handy when using it from a script:
sudo -u postgres psql -c "CREATE SCHEMA test AUTHORIZATION test;" test
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Random date in C#
...tDate).TotalMinutes / int.MaxValue;
var dateResults = randomResult.Select(s => startDate.AddMinutes(s * calculationValue)).ToList();
return dateResults;
}
public static IEnumerable<int> GetRandomNumbers(int size)
{
var data = new byte[4];
using (...
dropping infinite values from dataframes in pandas?
...rows are infinite or missing.
Finally, use the negation of that result to select the rows that don't have all infinite or missing values via boolean indexing.
all_inf_or_nan = df.isin([np.inf, -np.inf, np.nan]).all(axis='columns')
df[~all_inf_or_nan]
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Find number of months between two Dates in Ruby on Rails
...ta transformations:
(date1.beginning_of_month...date2.beginning_of_month).select { |date| date.day == 1 }.size
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How can I install an older version of a package via NuGet?
... your project and *go to Manage NuGet Packages.
Look at the below image.
Select your Package and Choose the Version, which you wanted to install.
Very very simple, isn't it? :)
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How to get base url with jquery or javascript?
...ocation object. Actually type this in the browser console and hit enter to select your options there. Well for my case it was simply:
window.location.origin
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Import regular CSS file in SCSS file?
... 2.2.2p95 (2015-04-13 revision 50295) [x64-mingw32] sass -v : Sass 3.4.17 (Selective Steve) not working here
– Cyril CHAPON
Sep 1 '15 at 7:58
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How to set MSDN to be always in English
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You can select your default language from bottom left of the page.
Edit
New docs site has an easier option to view in English. However, the setting is not permanent.
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