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How can I avoid running ActiveRecord callbacks?

... it without resorting to additional gems, adding conditional checks, using RAW SQL, or futzing with your exiting code in any way, consider using a "shadow object" pointing to your existing db table. Like so: class ImportedPerson < ActiveRecord::Base self.table_name = 'people' end This works ...
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Algorithm for creating a school timetable

...ble. Basically, it's about optimizing "hour-dispersion" (both in teachers and classes case) for given class-subject-teacher associations. We can assume that we have sets of classes, lesson subjects and teachers associated with each other at the input and that timetable should fit between 8AM and 4P...
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Android: install .apk programmatically [duplicate]

I made this with help from Android download binary file problems and Install Application programmatically on Android . ...
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How do I change the default author and committer in the Eclipse Git plugin?

I am using the Git plugin for Eclipse. I have several authors and committers which are displayed when I start typing in those fields. ...
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Remove a character from the end of a variable

... And it is POSIX, so is pretty much portable. – go2null Nov 9 '15 at 4:13 ...
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How to get the current directory in a C program?

...is program is written for UNIX computers. I've been looking at opendir() and telldir() , but telldir() returns a off_t (long int) , so it really doesn't help me. ...
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Add IIS 7 AppPool Identities as SQL Server Logons

...o get myself in a situation where Management Studio wasn't working so this raw TSQL solution was what I needed. – Andrew Patterson May 14 '13 at 1:07 4 ...
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How to get diff working like git-diff?

...stallation instructions -R: this tells Less to show colors instead of the raw codes. I ultimately used -w because I didn't want to see whitespace diffs. diff -w -u FILE1 FILE2 | colordiff | less -R Edit: As suggested by @Ciprian Tomoiaga in the comment, you can make this a function and put it ...
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App Inventor 2 UrsPahoMqttClient 拓展 - 物联网轻量级MQTT协议 · App Inventor 2 中文网

...top:40%; left:5px; width:200px; height:500px; display: none;}@media screen and (max-width: 700px) { #free_v { top:200%; }}
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How to install Java 8 on Mac

...all and update brew from Terminal: /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" brew tap homebrew/cask-versions brew update NEW as of June 2019 To install the JDKs from AdoptOpenJDK: brew tap adoptopenjdk/openjdk brew cask install adopto...