大约有 10,900 项符合查询结果（耗时：0.0317秒） [XML]
What are “decorators” and how are they used?
...
A good use case of $provide.decorator is when you need to do minor "tweak" on some third-party/upstream service, on which your module depends, while leaving the service intact (because you are not the owner/maintainer of the service). H...
How to assign an exec result to a sql variable?
How do you assign the result of an exec call to a variable in SQL? I have a stored proc called up_GetBusinessDay , which returns a single date.
...
What is the difference between tinyint, smallint, mediumint, bigint and int in MySQL?
...ave a NUMBER datatype really)
DB2
Turns out they all use the same specification (with a few minor exceptions noted below) but support various combinations of those types (Oracle not included because it has just a NUMBER datatype, see the above link):
| SQL Server MySQL Postgres ...
Custom sort function in ng-repeat
...
Actually the orderBy filter can take as a parameter not only a string but also a function. From the orderBy documentation: https://docs.angularjs.org/api/ng/filter/orderBy):
function: Getter function. The result of this function will be sorted
us...
What is the significance of initializing direction arrays below with given values when developing ch
...i[i],dj[i] is a different direction.
If we imagine we have a piece at a location x,y, and we want to add onto its x and its y value to move it to a nearby location, 1,0 is east, -1,0 is west, 0,1 is south, 0,-1 is north and so on.
(Here I have said top left is 0,0 and bottom right is 4,4 and shown...
Add subdomain to localhost URL
I am writing an web application that behaves differently depending on a url prefix. The format is something like:
5 Answers...
How to get thread id from a thread pool?
...e a fixed thread pool that I submit tasks to (limited to 5 threads). How can I find out which one of those 5 threads executes my task (something like "thread #3 of 5 is doing this task")?
...
A Task's exception(s) were not observed either by Waiting on the Task or accessing its Exception pro
...
If you create a Task, and you don't ever call task.Wait() or try to retrieve the result of a Task<T>, when the task is collected by the garbage collector, it will tear down your application during finalization. For details, see MSDN's page on Exception Handli...
How do I query using fields inside the new PostgreSQL JSON datatype?
...n pg 9.4
The manual goes as far as suggesting:
In general, most applications should prefer to store JSON data as
jsonb, unless there are quite specialized needs, such as legacy
assumptions about ordering of object keys.
Bold emphasis mine.
Performance benefits from general improvements ...
Node.js: How to send headers with form data using request module?
...ders: {
'Content-Length': contentLength,
'Content-Type': 'application/x-www-form-urlencoded'
},
uri: 'http://myUrl',
body: formData,
method: 'POST'
}, function (err, res, body) {
//it works!
});
...