大约有 11,642 项符合查询结果(耗时:0.0377秒) [XML]
What is meant by “managed” vs “unmanaged” resources in .NET?
... Adding a bit more clarification: SqlConnection (or FileStream, etc) are managed resources which internally use unmanaged resources which GC is unaware of.
– jimvfr
Jan 17 '13 at 2:21
...
Why do you not use C for your web apps?
...buffer overflows, having a compile stage between the edit and test stages, etc).
share
|
improve this answer
|
follow
|
...
When to use an interface instead of an abstract class and vice versa?
...kSorter
{
public bool compare(object lhs, object rhs)
{
// etc.
}
}
The problem with this is that you've unduly coupled together two concepts:
A way of comparing two items (what item should go first)
A method of sorting items (i.e. quicksort vs merge sort etc.)
In the above...
Give all the permissions to a user on a DB
...ll set the privileges on all relations: tables, views, indexes, sequences, etc. If you want to restrict that, filter on pg_class.relkind. See the pg_class docs for details.
You should run this function as superuser and as regular as your application requires. An option would be to package this in a...
Entity Framework 4 vs NHibernate [closed]
...nly Order object, Product will remain null, thought all necessary data is fetched in query to init it ). This can be overcome by using EFExtensions community add-on, but the code you will have to write for this is really ugly (I tried).
Self-Tracking Entities: Many say that Self-tracking entities a...
What ports does RabbitMQ use?
...differently if changed by someone in the rabbitmq configuration file:
vi /etc/rabbitmq/rabbitmq-env.conf
Ask the computer to tell you:
sudo nmap -p 1-65535 localhost
Starting Nmap 5.51 ( http://nmap.org ) at 2014-09-19 13:50 EDT
Nmap scan report for localhost (127.0.0.1)
Host is up (0.00041s la...
Differences between distribute, distutils, setuptools and distutils2?
...the difference between venv, pyvenv, pyenv, virtualenv, virtualenvwrapper, etc?. (Yes, I know, I groan with you.)
share
|
improve this answer
|
follow
|
...
Why JavaScript rather than a standard browser virtual machine?
Would it not make sense to support a set of languages (Java, Python, Ruby, etc.) by way of a standardized virtual machine hosted in the browser rather than requiring the use of a specialized language -- really, a specialized paradigm -- for client scripting only?
...
Should functions return null or an empty object?
...p -- the throwing method needs to know more about where that ID came from, etc.
– Jacob Mattison
Oct 26 '09 at 18:50
(...
List files by last edited date
...most/some/? linux distributions. Some define it as an alias ll='ls -l' in /etc/bash.bashrc or /etc/.bashrc. Thus it may not work and it may not exists on OPs system. Use ls -l -Rt at least, as ls is a standard command as defined by posix. Or specify you meant alias ll='ls -l'; ll -Rt.
...