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Rename MySQL database [duplicate]
...atabase with the database name you wanted.
The short, quick steps without all the above explanation are:
mysqldump -u root -p original_database > original_database.sql
mysql -u root -p -e "create database my_new_database"
mysql -u root -p my_new_database < original_database.sql
mysql -u roo...
What does the exclamation mark do before the function?
...iling semicolon, and yet that will give the flexibility to put them in any order with no worry.
!function abc(){}();
!function bca(){}();
Will work the same as
!function abc(){}();
(function bca(){})();
but saves one character and arbitrary looks better.
And by the way any of +,-,~,void opera...
python setup.py uninstall
I have installed a python package with python setup.py install .
16 Answers
16
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What is offsetHeight, clientHeight, scrollHeight?
...ent in pixels, including padding but not the horizontal scrollbar height, border, or margin
offsetHeight:
is a measurement which includes the element borders, the element vertical padding, the element horizontal scrollbar (if present, if rendered) and the element CSS height.
scrollHeight:
...
理解Python的 with 语句 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...__enter__() function on the resulting object is called. The value returned by this function is assigned to the variable following as. After every statement in the block is evaluated, the __exit__() function is called.
紧跟with后面的语句被求值后，返回对象的__enter__()方法被调用...
How do I declare a namespace in JavaScript?
...o safely add to the same namespace when they don't know in advance in what order they will execute. This can be helpful either if you want to be able to reorder your script inclusions arbitrarily without breaking your code, or if you want to load scripts asynchronously with the async attribute and s...
.NET NewtonSoft JSON deserialize map to a different property name
...
Json.NET has a JsonPropertyAttribute which allows you to specify the name of a JSON property, so your code should be:
public class TeamScore
{
[JsonProperty("eighty_min_score")]
public string EightyMinScore { get; set; }
[JsonProperty("home_or_away")]
...
How do I determine the target architecture of static library (.a) on Mac OS X?
...cutable ppc
Example with archive:
logan:/Users/logan% file /usr/lib/libMallocDebug.a
/usr/lib/libMallocDebug.a: Mach-O universal binary with 2 architectures
/usr/lib/libMallocDebug.a (for architecture i386): current ar archive random library
/usr/lib/libMallocDebug.a (for architecture ppc): ...
SQL left join vs multiple tables on FROM line?
... Employee.DepartmentID
Note that the last one there is an inner join, in order to fulfill the criteria that you only want departments with people.
Ok, so what happens now. Well, the problem is, it depends on the database engine, the query optimizer, indexes, and table statistics. Let me explain.
...
Force drop mysql bypassing foreign key constraint
...message_templates`, `mnotification`, `mshipping_address`, `notification`, `order`, `orderdetail`, `pattributes`, `pbrand`, `pcategory`, `permissions`, `pfeatures`, `pimage`, `preport`, `product`, `product_review`, `pspecification`, `ptechnical_specification`, `pwishlist`, `role_perms`, `roles`, `set...