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技术人员如何创业《四》- 打造超强执行力团队 - 资讯 - 清泛网 - 专注C/C++...
技术人员如何创业《四》- 打造超强执行力团队好的团队是创业公司成功的必要因素之一。差劲的团队会导致整个团队没有战斗力，互相算计，只看到自己的利益，永远做不成一个好的产品。优秀 好的团队是创业公司成功的必...
UPDATE multiple tables in MySQL using LEFT JOIN
...plete orders: performance of LEFT JOIN compared to NOT IN
Unfortunately, MySQL does not allow using the target table in a subquery in an UPDATE statement, that's why you'll need to stick to less efficient LEFT JOIN syntax.
...
MySQL: Transactions vs Locking Tables
....org/wiki/ACID, en.wikipedia.org/wiki/Isolation_(database_systems) and dev.mysql.com/doc/refman/5.1/en/…
– Nikola Svitlica
Sep 6 '15 at 21:52
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Removing MySQL 5.7 Completely [closed]
I am trying to uninstall mysql from my ubuntu 12.04 completely. But not able to.
3 Answers
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Best practice for Django project working directory structure
...s_dev.txt.
Some services (eg. heroku) requires to have requirements.txt in root directory.
setup.py
Useful when deploying project using setuptools. It adds manage.py to PATH, so I can run manage.py directly (anywhere).
Project-specific apps
I used to put these apps into project_name/apps/ directory ...
What is the minimum I have to do to create an RPM file?
...RCE0 : %{name}-%{version}.tar.gz
URL: http://toybinprog.company.com/
BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root
%description
%{summary}
%prep
%setup -q
%build
# Empty section.
%install
rm -rf %{buildroot}
mkdir -p %{buildroot}
# in builddir
cp -a * %{buildroot}
%clean
rm -rf ...
How to convert an xml string to a dictionary?
... >>> tree = ElementTree.parse('your_file.xml')
>>> root = tree.getroot()
>>> xmldict = XmlDictConfig(root)
Or, if you want to use an XML string:
>>> root = ElementTree.XML(xml_string)
>>> xmldict = XmlDictConfig(root)
And then...
how to emulate “insert ignore” and “on duplicate key update” (sql merge) with postgresql?
...skipped if it would violate a primary/unique key constraint. For instance, MySQL has INSERT IGNORE .
11 Answers
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Best way to structure a tkinter application? [closed]
... <create the rest of your GUI here>
if __name__ == "__main__":
root = tk.Tk()
MainApplication(root).pack(side="top", fill="both", expand=True)
root.mainloop()
The important things to notice are:
I don't use a wildcard import. I import the package as "tk", which requires that ...
How do I delete from multiple tables using INNER JOIN in SQL server
In MySQL you can use the syntax
13 Answers
13
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