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How do I clone a Django model instance object and save it to the database?
...swered Apr 13 '12 at 2:34
S. KirbyS. Kirby
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Facebook Open Graph not clearing cache
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Go to http://developers.facebook.com/tools/debug
Enter the URL following by fbrefresh=CAN_BE_ANYTHING
Examples:
http://www.example.com?fbrefresh=CAN_BE_ANYTHING
http://www.example.com?postid=1234&fbrefresh=CAN_BE_ANYTHING
OR visit:
http://developers.facebook.com/tools/debug/og/object?q=htt...
How does database indexing work? [closed]
...d name Data type Size on disk
id (Primary key) Unsigned INT 4 bytes
firstName Char(50) 50 bytes
lastName Char(50) 50 bytes
emailAddress Char(100) 100 bytes
Note: char was used in place of varchar to allow for an accurate size on disk value.
This sa...
Best practices for SQL varchar column length [closed]
...or almost all DBMS, the actual storage that is required is only determined by the number of characters you put into it, not the max length you define. So from a storage point of view (and most probably a performance one as well), it does not make any difference whether you declare a column as VARCHA...
How to convert “camelCase” to “Camel Case”?
...-Z])/g, '$1 $2')
// space before last upper in a sequence followed by lower
.replace(/\b([A-Z]+)([A-Z])([a-z])/, '$1 $2$3')
// uppercase the first character
.replace(/^./, function(str){ return str.toUpperCase(); })
}
There's also a String.prototype version in a gis...
Java: int array initializes with nonzero elements
According to the JLS, an int array should be filled by zeros just after initialization. However, I am faced with a situation where it is not. Such a behavior occurs first in JDK 7u4 and also occurs in all later updates (I use 64-bit implementation). The following code throws exception:
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What is the difference between Integrated Security = True and Integrated Security = SSPI?
... That part of code is property only for one case that is explainable by name ConvertValueToIntegratedSecurityInternal. That property is used only when provider is SqlClient so in SqlClient, SSPI &true are same but not when client is OleDb or OracleClient. I have clarified that in stackover...
How to get the clicked link's href with jquery?
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
What is the “__v” field in Mongoose
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The versionKey is a property set on each document when first created
by Mongoose. This keys value contains the internal revision of the
document. The name of this document property is configurable. The
default is __v.
If this conflicts with your application you can configure as such:
...
What causes imported Maven project in Eclipse to use Java 1.5 instead of Java 1.6 by default and how
...ted to add something to the answer already provided. maven-compiler-plugin by default will compile your project using Java 1.5 which is where m2e get's its information.
That's why you have to explicitly declare the maven-compiler-plugin in your project with something other then 1.5. Your effective ...