大约有 18,400 项符合查询结果（耗时：0.0339秒） [XML]
Architecture for merging multiple user accounts together
...t. The design I worked out is rather simple, but it works well.
The core idea is that models for a local site identity and the third-party site identities are kept isolated, but are later linked. So every user that logs into the site has a local identity which maps to any number of third-party si...
Submit form using a button outside the tag
...he spec says
The elements used to create controls generally appear inside a FORM
element, but may also appear outside of a FORM element declaration
when they are used to build user interfaces. This is discussed in the
section on intrinsic events. Note that controls outside a form cannot
...
Docker - how can I copy a file from an image to a host?
..., create a temporary container, copy the file from it and then delete it:
id=$(docker create image-name)
docker cp $id:path - > local-tar-file
docker rm -v $id
share
|
improve this answer
...
Where'd padding go, when setting background Drawable?
...ing - although interestingly if I added a color, or non-9 patch image, it didn't. The solution was to save the padding values before the background gets added, then set them again afterwards.
private EditText value = (EditText) findViewById(R.id.value);
int pL = value.getPaddingLeft();
int pT = v...
How to use JNDI DataSource provided by Tomcat in Spring?
It is said that in the Spring javadoc article about DriverManagerDataSource class, that this class is very simple and that it is recommended
...
Compare two data.frames to find the rows in data.frame 1 that are not present in data.frame 2
... work for me, but it seems to only work as shown above if one set contains identically matching rows of the other set. Consider this case: a2 <- data.frame(a = c(1:3, 1), b = c(letters[1:3], "c")). Leave a1 the same. Now try the comparison. It's not clear to me even in reading the options what th...
Why do we have to specify FromBody and FromUri?
...mitive types (int, bool, double, and so forth), plus TimeSpan, DateTime, Guid, decimal, and string, plus any type with a type converter that can convert from a string.
For complex types, Web API tries to read the value from the message body, using a media-type formatter.
So, if you want to overrid...
PreparedStatement with list of parameters in a IN clause [duplicate]
...10, 40, 160, 800. The rest is filled with either zero (zero is not used as ID, usually) or any of the given parameters. This reduces the amount of prepared statements stored in DB's cache.
– Vlasec
Jan 30 '15 at 9:06
...
Why dict.get(key) instead of dict[key]?
...
It allows you to provide a default value if the key is missing:
dictionary.get("bogus", default_value)
returns default_value (whatever you choose it to be), whereas
dictionary["bogus"]
would raise a KeyError.
If omitted, default_value is...
What are detached, persistent and transient objects in hibernate?
...ot associated with a Session, has no representation in the database and no identifier value is considered transient by Hibernate:
Person person = new Person();
person.setName("Foobar");
// person is in a transient state
A persistent instance has a representation in the database, an identifier va...