大约有 471 项符合查询结果（耗时：0.0134秒） [XML]
Fetch the row which has the Max value for a column
... Couldn't this return duplicates? Eg. if two rows have the same user_id and the same date (which happens to be the max).
– jastr
Jun 15 '16 at 19:30
3
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Rails: create on has_one association
...Alternatively, if you do not want to trigger delete callback
Shop.create(user_id: user.id, title: 'Some unique title')
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Django ManyToMany filter()
...ing SQL that looks something like:
SELECT * FROM users WHERE id IN (SELECT user_id FROM userzones WHERE zone_id IN (1,2,3))
which is nice because it doesn't have any intermediate joins that could cause duplicate users to be returned
...
Getting raw SQL query string from PDO prepared statements
...seen as a string: string(115) "INSERT INTO tokens (token_type, token_hash, user_id) VALUES ('resetpassword', hzFs5RLMpKwTeShTjP9AkTA2jtxXls86, 1);"
– Kerwin Sneijders
Sep 10 '18 at 0:34
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代码块超过1.2w编译apk报错问题 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
报错信息：
3月 04, 2025 9:50:11 上午 com.google.appengine.tools.development.ApiProxyLocalImpl log
严重: javax.servlet.ServletContext log: Exception while dispatching incoming RPC call
com.google.gwt.user.server.rpc.UnexpectedException: Service method 'public abstract long com.google.appinv...
Why does the month argument range from 0 to 11 in JavaScript's Date constructor?
...dont deprecate this it will still happen - feel free to coment in the year 2025 and on ;-)
– Mauricio Gracia Gutierrez
Oct 8 '19 at 14:39
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“Inner exception” (with traceback) in Python?
...
try:
sock_common = xmlrpclib.ServerProxy(rpc_url+'/common')
self.user_id = sock_common.login(self.dbname, username, self.pwd)
except IOError:
_, ex, traceback = sys.exc_info()
message = "Connecting to '%s': %s." % (config['connection'],
ex...
Table Naming Dilemma: Singular vs. Plural Names [closed]
...en select user.id from users? Or perhaps ...from users left join on thingy.user_id = user.id...?
– Samuel Danielson
Feb 24 '17 at 5:34
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sho...
C# Pass Lambda Expression as Method Parameter
...lTimeJob, Student, FullTimeJob>(sql,
lambda,
splitOn: "user_id",
param: parameters).ToList<IJob>();
}
}
You would call it:
getJobs((job, student) => {
job.Student = student;
job.StudentId = student.Id;
return job;
...
How do I get the difference between two Dates in JavaScript?
...e JsFiddle DEMO
var date1 = new Date();
var date2 = new Date("2025/07/30 21:59:00");
//Customise date2 for your required future time
showDiff();
function showDiff(date1, date2){
var diff = (date2 - date1)/1000;
diff = Math.abs(Math.floor(diff));
var days = Math.f...