大约有 47,000 项符合查询结果(耗时:0.0509秒) [XML]
How to implement has_many :through relationships with Mongoid and mongodb?
...opriate because your join table is an Appointment class which carries some extra information, not just the association.
How you model this depends to some extent on the queries that you need to run but it seems as though you will need to add the Appointment model and define associations to Patient ...
How to replace all dots in a string using JavaScript
I want to replace all the occurrences of a dot( . ) in a JavaScript string
15 Answers
...
Looping through localStorage in HTML5 and JavaScript
...u could store a JSON-serialized array:
localStorage.setItem("words", JSON.stringify(["Lorem", "Ipsum", "Dolor"]));
The draft spec claims that any object that supports structured clone can be a value. But this doesn't seem to be supported yet.
EDIT: To load the array, add to it, then store:
var...
Executing multi-line statements in the one-line command-line?
...rehension, lambdas, sys.stdout.write, the "map" builtin, and some creative string interpolation, you can do some powerful one-liners.
The question is, how far do you want to go, and at what point is it not better to write a small .py file which your makefile executes instead?
...
nginx: send all requests to a single html page
...
Using try_files '' /base.html; (empty string as the first argument to try_files) avoids the lookup of a file called $uri.
– davidjb
Mar 27 '15 at 1:31
...
What is the best regular expression to check if a string is a valid URL?
How can I check if a given string is a valid URL address?
55 Answers
55
...
Using GSON to parse a JSON array
...= gson.fromJson(str, Wrapper[].class);
class Wrapper{
int number;
String title;
}
Seems to work fine. But there is an extra , Comma in your string.
[
{
"number" : "3",
"title" : "hello_world"
},
{
"number" : "2",
"title" : "hello_world...
detach all packages while working in R
...
invisible(suppressMessages(suppressWarnings(lapply(c("gsl","fBasics","stringr","stringi","Rmpfr"), require, character.only = TRUE))))
invisible(suppressMessages(suppressWarnings(lapply(names(sessionInfo()$loadedOnly), require, character.only = TRUE))))
sessionInfo()
#the above is a...
How do I time a method's execution in Java?
...ises me that there's no spiffy built-in class, like Timer t = new Timer(); String s = t.getElapsed(format); etc...
– Ogre Psalm33
Oct 8 '08 at 12:48
18
...
Entity Framework VS LINQ to SQL VS ADO.NET with stored procedures? [closed]
... the M:M comment, however. The schemas I've worked with almost always grow extra attributes on join tables. This induces a structural change to the object model, requiring a lot of code rework. I would much rather deal with the intermediate relation explicitly from the outset.
–...