大约有 40,000 项符合查询结果（耗时：0.0658秒） [XML]
Accessing an SQLite Database in Swift
...esources associated with the database connection handle should be released by passing it to sqlite3_close() when it is no longer required.
Use sqlite3_exec to perform SQL (e.g. create table).
if sqlite3_exec(db, "create table if not exists test (id integer primary key autoincrement, name text)", n...
How to create GUID / UUID?
...re's a similar RFC4122 version 4 compliant solution that solves that issue by offsetting the first 13 hex numbers by a hex portion of the timestamp, and once depleted offsets by a hex portion of the microseconds since pageload. That way, even if Math.random is on the same seed, both clients would h...
Forward host port to docker container
Is it possible to have a Docker container access ports opened by the host? Concretely I have MongoDB and RabbitMQ running on the host and I'd like to run a process in a Docker container to listen to the queue and (optionally) write to the database.
...
What jsf component can render a div tag?
...
You can create a DIV component using the <h:panelGroup/>.
By default, the <h:panelGroup/> will generate a SPAN in the HTML code.
However, if you specify layout="block", then the component will be a DIV in the generated HTML code.
<h:panelGroup layout="block"/>
...
Modify table: How to change 'Allow Nulls' attribute from not null to allow null
... = sc.object_id
where so.type = 'U'
and st.name <> 'timestamp'
order by st.name
share
|
improve this answer
|
follow
|
...
Infinite Recursion with Jackson JSON and Hibernate JPA issue
... All the above solutions seem need to change the domain objects by adding annotations. If I'm serialize third party classes which I have no way to modify them. How can I avoid this issue?
– Jianwu Chen
Mar 26 '15 at 9:41
...
Common MySQL fields and their appropriate data types
...esses), then you'd be wanting to use VARCHAR. The amount of space taken up by a VARCHAR field is [field length] + 1 bytes, up to max length 255, so I wouldn't worry too much about trying to find a perfect size. Take a look at what you'd imagine might be the longest length might be, then double it an...
List of zeros in python [duplicate]
...ate a list where all values are the same is multiplying a one-element list by n.
>>> [0] * 4
[0, 0, 0, 0]
So for your loop:
for i in range(10):
print [0] * i
share
|
improve this a...
When to use , tag files, composite components and/or custom components?
I started using JSF 2.0 with Facelets recently and got puzzled by new composite components knowing existing <ui:include> and other templating techniques offered by Facelets 1.x.
...
Could not find an implementation of the query pattern
...t defines tblPersoons property), like this:
public tblPersoon GetPersoonByID(string id)
{
var context = new DataClasses1DataContext();
var query = context.tblPersoons.Where(p => p.id == id).Single();
// ...
...