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How do you remove a Cookie in a Java Servlet
...he duration of the session. You want to set MaxAge to 0 instead.
From the API documentation:
A negative value means that the cookie is not stored persistently and will be deleted when the Web browser exits. A zero value causes the cookie to be deleted.
...
Python module os.chmod(file, 664) does not change the permission to rw-rw-r— but -w--wx----
...n.org/3/library/os.html#os.chmod and the names are the same as the POSIX C API values documented at man 2 stat.
Another advantage is the greater portability as mentioned in the docs:
Note: Although Windows supports chmod(), you can only set the file’s read-only flag with it (via the stat.S_IW...
DialogFragment setCancelable property not working
... documentation:
public void setCancelable (boolean cancelable)
Added in API level 11
Control whether the shown Dialog is cancelable. Use this instead of directly calling Dialog.setCancelable(boolean), because DialogFragment needs to change its behavior based on this."
ref:http://developer.androi...
mongodb count num of distinct values per field/key
...
Here is example of using aggregation API. To complicate the case we're grouping by case-insensitive words from array property of the document.
db.articles.aggregate([
{
$match: {
keywords: { $not: {$size: 0} }
}
},
{ $unw...
IEnumerable vs List - What to Use? How do they work?
...
IList is not read-only - docs.microsoft.com/en-us/dotnet/api/… IEnumerable is read-only because it lacks any methods to add or remove anything once it is constructed, it is one of the base interfaces which IList extends (see link)
– CAD bloke
...
Accept server's self-signed ssl certificate in Java client
...et or in obscurity is not a solution at all. This code is public, the Java API is public, it's better to talk about it than to ignore it. But I can live with you not agreeing.
– Pascal Thivent
May 25 '10 at 0:10
...
Change a column type from Date to DateTime during ROR migration
...uld throw a ActiveRecord::IrreversibleMigration exception. Only methods in api.rubyonrails.org/classes/ActiveRecord/Migration/… should be used in the change method.
– davekaro
Jan 9 '13 at 16:24
...
Best practice for partial updates in a RESTful service
...ty useful and clean when you have a reduced set of statuses. It makes your API more expressive without forcing the existing operations for your customer resource.
Example:
POST /customer/active <-- Providing entity in the body a new customer
{
... // attributes here except status
}
The PO...
Why does this code using random strings print “hello world”?
... the javadoc says that the seed is 48 bits. docs.oracle.com/javase/7/docs/api/java/util/Random.html. And besides, the actual seeds are 32 bit values.
– Stephen C
Mar 3 '13 at 4:58
...
How can I correctly prefix a word with “a” and “an”?
...ay is to ask Google for the two possibilities (using the one of the search APIs) and use the most popular:
http://www.google.co.uk/search?q=%22a+europe%22 - 841,000 hits
http://www.google.co.uk/search?q=%22an+europe%22 - 25,000 hits
Or:
http://www.google.co.uk/search?q=%22a+honest%22 - 797,000...