大约有 47,000 项符合查询结果（耗时：0.0797秒） [XML]
How can i get the session object if i have the entity-manager
...at the result of this method is implementation specific i.e. non portable from application server using Hibernate to the other. For example with JBoss you would do:
org.hibernate.Session session = (Session) manager.getDelegate();
But with GlassFish, you'd have to do:
org.hibernate.Session sessi...
Using sed to mass rename files
...l rename (prename):
rename s/0000/000/ F0000*
or on systems with rename from util-linux-ng, such as RHEL:
rename 0000 000 F0000*
That's a lot more understandable than the equivalent sed command.
But as for understanding the sed command, the sed manpage is helpful. If
you run man sed and searc...
Android Dialog: Removing title bar
...h themes and came across a useful bit of default theming.
Here's the code from my AndroidManifest.xml that I was using when the title bar was showing:
<activity
android:name=".AlertDialog"
android:theme="@android:style/Theme.Holo.Dialog"
>
</activity>
Here's the change ...
Changing every value in a hash in Ruby
...inject(my_hash){ |h,(k,str)| h[k]="%#{str}%"; h }, have to return the hash from the block
– aceofspades
Sep 25 '12 at 23:57
1
...
Git on Bitbucket: Always asked for password, even after uploading my public SSH key
...in your current repo ..
vim .git/config
and change the line with the url from
[remote "origin"]
fetch = +refs/heads/*:refs/remotes/origin/*
url = https://Nicolas_Raoul@bitbucket.org/Nicolas_Raoul/therepo.git
to
[remote "origin"]
fetch = +refs/heads/*:refs/remotes/origi...
How do you change the server header returned by nginx?
...
Like Apache, this is a quick edit to the source and recompile. From Calomel.org:
The Server: string is the header which
is sent back to the client to tell
them what type of http server you are
running and possibly what version.
This string is used by places like
Alexia and ...
How to check for null in Twig?
...one (in twig terms). I'm pretty sure this is to suppress bad access errors from occurring in the template.
Due to the lack of a "identity" in Twig (===) this is the best you can do
{% if var == null %}
stuff in here
{% endif %}
Which translates to:
if ((isset($context['somethingnull']) ? $c...
What exactly is an “open generic type” in .NET? [duplicate]
... check whether a type is an unbound generic type (generic type definition) from which you can construct bound types with the Type.IsGenericTypeDefinition property:
Console.WriteLine(typeof(Dictionary<,>).IsGenericTypeDefinition); // True
Console.WriteLine(typeof(Dictionary<int,int>).IsGe...
What are all the different ways to create an object in Java?
...t deserialization
Object deserialization is nothing but creating an object from its serialized form.
ObjectInputStream inStream = new ObjectInputStream(anInputStream );
MyObject object = (MyObject) inStream.readObject();
You can read them from here.
...
How can I read inputs as numbers?
...d be float rather than int:
x = float(input("Enter a number:"))
Apart from that, your program can be changed a little bit, like this
while True:
...
...
if input("Play again? ") == "no":
break
You can get rid of the play variable by using break and while True.
...