大约有 40,000 项符合查询结果（耗时：0.0626秒） [XML]
How do I get textual contents from BLOB in Oracle SQL
... with a CLOB, by the way).
The following query will let you see the first 32767 characters (at most) of the text inside the blob, provided all the character sets are compatible (original CS of the text stored in the BLOB, CS of the database used for VARCHAR2) :
select utl_raw.cast_to_varchar2(dbms...
Gunicorn worker timeout error
I have setup gunicorn with 3 workers 30 worker connections and using eventlet worker class. It is setup behind Nginx. After every few requests, I see this in the logs.
...
What's “requestCode” used for on PendingIntent?
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
Checking if a string array contains a value, and if so, getting its position
...
321
You could use the Array.IndexOf method:
string[] stringArray = { "text1", "text2", "text3", "...
lodash multi-column sortBy descending
...ash 3.5.0 you can use sortByOrder (renamed orderBy in v4.3.0):
var data = _.sortByOrder(array_of_objects, ['type','name'], [true, false]);
Since version 3.10.0 you can even use standard semantics for ordering (asc, desc):
var data = _.sortByOrder(array_of_objects, ['type','name'], ['asc', 'desc'...
When to use nil, blank, empty? [duplicate]
Is there any guidelines on how to differentiate between .nil? , .blank? and .empty? ?
4 Answers
...
Programmatically Request Access to Contacts
... // First time access has been granted, add the contact
[self _addContactToAddressBook];
} else {
// User denied access
// Display an alert telling user the contact could not be added
}
});
}
else if (ABAddressBookGetAuthorizationStatus() == kABAu...
OSX - How to auto Close Terminal window after the “exit” command executed.
When I'm done with Terminal, I want to exit it. Right now, I have three options:
14 Answers
...
How to compare type of an object in Python?
...
isinstance works:
if isinstance(obj, MyClass): do_foo(obj)
but, keep in mind: if it looks like a duck, and if it sounds like a duck, it is a duck.
EDIT: For the None type, you can simply do:
if obj is None: obj = MyClass()
...
UnicodeDecodeError, invalid continuation byte
Why is the below item failing? Why does it succeed with "latin-1" codec?
10 Answers
10...