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Access mysql remote database from command line
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17 Answers
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Does MySQL ignore null values on unique constraints?
...ws multiple NULLs in a column with a unique constraint.
CREATE TABLE table1 (x INT NULL UNIQUE);
INSERT table1 VALUES (1);
INSERT table1 VALUES (1); -- Duplicate entry '1' for key 'x'
INSERT table1 VALUES (NULL);
INSERT table1 VALUES (NULL);
SELECT * FROM table1;
Result:
x
NULL
NULL
1
This i...
Closure in Java 7 [closed]
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edited Nov 2 '15 at 16:21
mkobit
31.3k77 gold badges124124 silver badges129129 bronze badges
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Coffeescript — How to create a self-initiating anonymous function?
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160
While you can just use parentheses (e.g. (-> foo)(), you can avoid them by using the do key...
How can I confirm a database is Oracle & what version it is using SQL?
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10 Answers
10
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.htaccess - how to force “www.” in a generic way?
...%{HTTP_HOST} !^www\. [NC]
RewriteCond %{HTTPS}s ^on(s)|
RewriteRule ^ http%1://www.%{HTTP_HOST}%{REQUEST_URI} [R=301,L]
The first condition checks whether the Host value is not empty (in case of HTTP/1.0); the second checks whether the the Host value does not begin with www.; the third checks for ...
select and update database record with a single queryset
...et object update method:
MyModel.objects.filter(pk=some_value).update(field1='some value')
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How to make a new List in Java
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1008
List myList = new ArrayList();
or with generics (Java 7 or later)
List<MyType> myLis...
Check if my app has a new version on AppStore
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91
Here is a simple code snippet that lets you know if the current version is different
-(BOOL) ne...
How to convert string into float in JavaScript?
...nt to be separate values, try this:
var values = "554,20".split(",")
var v1 = parseFloat(values[0])
var v2 = parseFloat(values[1])
If they're meant to be a single value (like in French, where one-half is written 0,5)
var value = parseFloat("554,20".replace(",", "."));
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