大约有 475 项符合查询结果（耗时：0.0072秒） [XML]
Is there a Max function in SQL Server that takes two values like Math.Max in .NET?
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@xxyzzy that is because NULL > 1234 statement is false
– Xin
Dec 11 '17 at 11:02
8
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Invoke-WebRequest, POST with parameters
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This just works:
$body = @{
"UserSessionId"="12345678"
"OptionalEmail"="MyEmail@gmail.com"
} | ConvertTo-Json
$header = @{
"Accept"="application/json"
"connectapitoken"="97fe6ab5b1a640909551e36a071ce9ed"
"Content-Type"="application/json"
}
Invoke-RestMethod -Uri ...
Generating random strings with T-SQL
...647;
select @alpha = 'qwertyuiopasdfghjklzxcvbnm'
, @digit = '1234567890'
, @specials = '_@# '
select @first = @alpha + '_@';
set @seed = (rand((@seed+@step)%2147483647)*2147483647);
select @length = @minLen + rand(@seed) * (@maxLen-@minLen)
, @seed = (ran...
Parse JSON in TSQL
...lCode":"10021"
},
"PhoneNumbers":
{
"home":"212 555-1234",
"fax":"646 555-4567"
}
}
}
')
To get:
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How to build jars from IntelliJ properly?
...igure out how to create executable jar in Intellij
– 1234
Dec 6 '19 at 2:30
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How do I kill background processes / jobs when my shell script exits?
... I don't quite understand -$$. It evaluates to '-<PID>` eg -1234. In the kill manpage // builtin manpage a leading dash specifies the signal to be sent. However -- probably blocks that, but then the leading dash is undocumented otherwise. Any help?
– Evan Benn
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How to read data when some numbers contain commas as thousand separator?
...en digits:
gsub("([0-9]+)\\,([0-9])", "\\1\\2", lines)
## [1] "www, rrr, 1234, ttt \n rrr,zzz, 1234567987, rrr"
It's als useful to know but not directly relevant to this question that commas as decimal separators can be handled by read.csv2 (automagically) or read.table(with setting of the 'dec'...
How do I copy an object in Java?
... objects, such a field would contain the address in memory (such as "0x70FF1234") at which the object data is found. That address is the "field value" that is being copied (assigned). You are correct that the end result is that both objects have fields that refer to (point at) the same object.
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Java Immutable Collections
...it is already unmodifiable, see JDK-8191517
– Marcono1234
Nov 24 '19 at 15:21
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How can I tell if I'm running in 64-bit JVM or 32-bit JVM (from within a program)?
...va -d64 -version returned with exit code 0.
– Marcono1234
Sep 12 '18 at 7:50
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