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Increasing the maximum number of TCP/IP connections in Linux
...d more than 28230 sessions without adding lots of sleep in one go, with no errors seen either in php or on redis logs. We broke our heads on this for an entire day till I thought maybe problem is not with php/redis but in the tcp/ip layer connecting the two and came to this answer. Managed to fix th...
Rename MySQL database [duplicate]
...-e "show databases like '$3'" -sss`
if [ -n "$db_exists" ]; then
echo "ERROR: New database already exists $3"
exit 1
fi
TIMESTAMP=`date +%s`
character_set=`mysql -h $1 -e "show create database $2\G" -sss | grep ^Create | awk -F'CHARACTER SET ' '{print $2}' | awk '{print $1}'`
TABLES=`mysql -...
Multiple aggregations of the same column using pandas GroupBy.agg()
...So either your example is something you typed in without checking for this error, or else Pandas breaks its own docs here.
– ely
Sep 26 '12 at 17:31
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How to test my servlet using JUnit
...nks for you answer! But when I execute your code, then I get the following error: java.util.MissingResourceException: Can't find bundle for base name javax.servlet.LocalStrings, locale de_DE - It happens during the execution of new MyServlet().doPost(...). Any idea what could be broken?
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Remove duplicate rows in MySQL
...licate rows. As an added benefit, future INSERTs that are duplicates will error out. As always, you may want to take a backup before running something like this...
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How do you use $sce.trustAsHtml(string) to replicate ng-bind-html-unsafe in Angular 1.2+
...as to be injected in the controller, otherwise you will get $sce undefined error.
var myApp = angular.module('myApp',[]);
myApp.controller('MyController', ['$sce', function($sce) {
// ... [your code]
}]);
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Search all tables, all columns for a specific value SQL Server [duplicate]
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I've just updated my blog post to correct the error in the script that you were having Jeff, you can see the updated script here: Search all fields in SQL Server Database
As requested, here's the script in case you want it but I'd recommend reviewing the blog post as I ...
List all the modules that are part of a python package?
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Your first example produces the following error: "AttributeError: 'module' object has no attribute '_path_'" Has this anything to do with Python version? (I use Python 2.7)
– Apostolos
Feb 23 '18 at 22:46
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Override devise registrations controller
... of the nested models?
If so, I believe the ActiveRecord::UnknownAttributeError is triggered in this instance.
Otherwise, I think you can just create your own controller, by generating something like this:
# app/controllers/registrations_controller.rb
class RegistrationsController < Devise::Re...
What is the difference between .text, .value, and .value2?
...Value2 gives you the underlying value of the cell (could be empty, string, error, number (double) or boolean)
.Value gives you the same as .Value2 except if the cell was formatted as currency or date it gives you a VBA currency (which may truncate decimal places) or VBA date.
Using .Value or .Text...