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Add a CSS class to
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Note that you need to explicitly pass a string ('name of button here') as the first argument to submit in order to use the :class hash as in the answer above. If you don't have that string, you'll get an error message.
– thewillcole
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Differences between cookies and sessions?
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A cookie is simply a short text string that is sent back and forth between the client and the server. You could store name=bob; password=asdfas in a cookie and send that back and forth to identify the client on the server side. You could think of this as ...
How do I partially update an object in MongoDB so the new object will overlay / merge with the exist
... } );
}
Note: 'profile' is specific to my implementation, it is just the string of the key that you would like to modify.
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ng-repeat :filter by single field
...hing like substr That means you want select product where "color" contains string "blue" and not where "color" is "blue".
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How do malloc() and free() work?
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@Juergen But when free() read extra byte which contain information how much memory allocated from malloc, it get 4. Then how crash happened or how free() touch administrative data ?
– Undefined Behaviour
Aug 5 '16 at...
php - get numeric index of associative array
...wrong for me, but why this happens?
Because when doing comparisons between strings and integers PHP converts strings to integers (and this is kinda stupid in my opinion), so when array_search() searches for the index it stops at the first one because apparently ("car" == 0) is true.
Setting array_se...
Optimising Android application before release [closed]
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recycle complex java objects such as XmlPullParserFactory/BitmapFactory/StringBuilder/Matcher etc.
For more battery tricks see Coding for Life - Battery Life, That Is.
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XmlWriter to Write to a String Instead of to a File
I have a WCF service that needs to return a string of XML. But it seems like the writer only wants to build up a file, not a string. I tried:
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Connect Java to a MySQL database
... Create a simple Java class with a main() method to test the connection.
String url = "jdbc:mysql://localhost:3306/javabase";
String username = "java";
String password = "password";
System.out.println("Connecting database...");
try (Connection connection = DriverManager.getConnection(url, userna...
How to check if an array value exists?
.....' messages.
As for the test whether the element's value is equal to a string you can use == or (again sometimes better) the identity operator === which doesn't allow type juggling.
if( isset($something['say']) && 'bla'===$something['say'] ) {
// ...
}
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