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Where should signal handlers live in a django project?

...ke: yourapp/signals/handlers.py: from django.db.models.signals import pre_save from django.dispatch import receiver from myapp.models import MyModel @receiver(pre_save, sender=MyModel) def my_handler(sender, **kwargs): pass The best place to register your signal handler is then in the AppCo...
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How do I move a table into a schema in T-SQL

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What do

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How to set or change the default Java (JDK) version on OS X?

... First run /usr/libexec/java_home -V which will output something like the following: Matching Java Virtual Machines (3): 1.8.0_05, x86_64: "Java SE 8" /Library/Java/JavaVirtualMachines/jdk1.8.0_05.jdk/Contents/Home 1.6.0_65-b14-462, x86_64: "Java SE...
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What is the difference between Ruby 1.8 and Ruby 1.9

...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
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Pass An Instantiated System.Type as a Type Parameter for a Generic Class

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What's the difference between assignment operator and copy constructor?

...tialized object from some other object's data. A(const A& rhs) : data_(rhs.data_) {} For example: A aa; A a = aa; //copy constructor An assignment operator is used to replace the data of a previously initialized object with some other object's data. A& operator=(const A& rhs) {...
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OpenSSH升级后不能登录的问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...顺利 具体情况这里http://pkgs.org/centos-6/ghettoforge-testing-x86_64/openssh-6.6.1p1-4.gf.el6.x86_64.rpm.html 备份原有源 cd /etc/yum.repos.d/ mv rhel-source.repo rhel-source.repo.bak mv packagekit-media.repo packagekit-media.repo.bak 配置源 vi CentOS-Base.repo [base] name...
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Inserting data into a temporary table

...SERT INTO #TempTable (ID, Date, Name) SELECT id, date, name FROM physical_table share | improve this answer | follow | ...
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Template function inside template class

...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...