大约有 40,000 项符合查询结果（耗时：0.0581秒） [XML]
What's the use of session.flush() in Hibernate
...hanges to the database). By default, Hibernate will flush changes automatically for you:
before some query executions
when a transaction is committed
Allowing to explicitly flush the Session gives finer control that may be required in some circumstances (to get an ID assigned, to control the si...
Check if $_POST exists
...sts and if it does, print it inside another string, if not, don't print at all.
14 Answers
...
Why does pylint object to single character variable names?
...criptive.
– Amanda
Feb 17 '14 at 21:32
OTOH if I'm extracting an element <dt/> from an XML document, storing it ...
Awaiting multiple Tasks with different results
...
After you use WhenAll, you can pull the results out individually with await:
var catTask = FeedCat();
var houseTask = SellHouse();
var carTask = BuyCar();
await Task.WhenAll(catTask, houseTask, carTask);
var cat = await catTask;
var house =...
How to read a (static) file from inside a Python package?
...
[added 2016-06-15: apparently this doesn't work in all situations. please refer to the other answers]
import os, mypackage
template = os.path.join(mypackage.__path__[0], 'templates', 'temp_file')
s...
Comma separator for numbers in R?
...rs are encoded with the minimum number of decimal places needed to display all the elements to at least the digits significant digits. However, if all the elements then have trailing zeroes, the number of decimal places is reduced until nsmall"
– micstr
Dec 10 ...
How to destroy an object?
... objects as soon as the page is served. So this should only be needed on really long loops and/or heavy intensive pages.
share
|
improve this answer
|
follow
|...
How do you use script variables in psql?
In MS SQL Server, I create my scripts to use customizable variables:
13 Answers
13
...
Commenting in a Bash script inside a multiline command
...
DigitalRossDigitalRoss
132k2323 gold badges226226 silver badges307307 bronze badges
...
Why is Python running my module when I import it, and how do I stop it?
...program I'm building that can be run in either of 2 ways: the first is to call "python main.py" which prompts the user for input in a friendly manner and then runs the user input through the program. The other way is to call "python batch.py -file- " which will pass over all the friendly input gat...