大约有 30,000 项符合查询结果（耗时：0.0441秒） [XML]
How to fix org.hibernate.LazyInitializationException - could not initialize proxy - no Session
...e is to initialize this lazy collection in getModelByModelGroup itself and call:
Hibernate.initialize(subProcessModel.getElement());
when you are still in active session.
And one last thing. A friendly advice. You have something like this in your method:
for (Model m : modelList) {
if (m.ge...
How to create GUID / UUID?
...n (4 = "random"). The "y" marks where the uuid variant (field layout, basically) needs to be embedded. See sections 4.1.1 and 4.1.3 of ietf.org/rfc/rfc4122.txt for more info.
– broofa
Nov 27 '12 at 22:13
...
ORA-00054: resource busy and acquire with NOWAIT specified or timeout expired
...fix the problem.
LOCK TABLE 'TABLE NAME'; -- you will 'wait' (developers call this hanging). until the session with the open transaction, commits. This is a queue. so there may be several sessions ahead of you. but you will NOT error out.
Execute DDL. Your DDL will then run a lock with the NO WAI...
ALTER TABLE to add a composite primary key
I have a table called provider . I have three columns called person , place , thing . There can be duplicate persons, duplicate places, and duplicate things, but there can never be a dupicate person-place-thing combination.
...
What is the error “Every derived table must have its own alias” in MySQL?
... be rewritten without aliases ( can't GROUP BY DISTINCT).
Imagine a table called purchases that records purchases made by customers at stores, i.e. it's a many to many table and the software needs to know which customers have made purchases at more than one store:
SELECT DISTINCT customer_id, SUM(...
In JavaScript can I make a “click” event fire programmatically for a file input element?
...o make a click event fire on an <input type="file"> tag programmatically.
28 Answers
...
Repeat command automatically in Linux
... each invocation, e.g. watch -n 1 echo ${RANDOM}. The random will only get called once.
– Marcin
Jan 12 at 12:48
add a comment
|
...
Getting the ID of the element that fired an event
...that fired the function.
'this' is a DOM element when you are inside of a callback function (in the context of jQuery), for example, being called by the click, each, bind, etc. methods.
Here is where you can learn more: http://remysharp.com/2007/04/12/jquerys-this-demystified/
...
How do you log all events fired by an element in jQuery?
... You can monitor all events with this hook (in windows programming this is called a hook). This hook does not affects the operation of your software/program.
In the console log you can see something like this:
Explanation of what you see:
In the console log you will see all events you select (...
What is REST? Slightly confused [closed]
...
REST is a software design pattern typically used for web applications. In layman's terms this means that it is a commonly used idea used in many different projects. It stands for REpresentational State Transfer. The basic idea of REST is treating objects on the s...