大约有 47,000 项符合查询结果（耗时：0.0655秒） [XML]
XSLT getting last element
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answered Sep 22 '09 at 10:23
Robert ChristieRobert Christie
17.6k66 gold badges3838 silver badges3636 bronze badges
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Rounding BigDecimal to *always* have two decimal places
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408
value = value.setScale(2, RoundingMode.CEILING)
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How do you represent a JSON array of strings?
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303
I'll elaborate a bit more on ChrisR awesome answer and bring images from his awesome reference....
Using sed, how do you print the first 'N' characters of a line?
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answered Feb 11 '09 at 20:42
Paul TomblinPaul Tomblin
162k5555 gold badges299299 silver badges392392 bronze badges
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mongodb group values by multiple fields
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207
TLDR Summary
In modern MongoDB releases you can brute force this with $slice just off the basi...
Can't connect to MySQL server error 111 [closed]
I installed mysql server on linux box IP = 192.168.1.100 but when i try to connect to this IP it alway error(111). but use localhost and 127.0.0.1 is OK.
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PHP String to Float
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205
$rootbeer = (float) $InvoicedUnits;
Should do it for you. Check out Type-Juggling. You should...
Why are there two build.gradle files in an Android Studio project?
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dependencies {
classpath 'com.android.tools.build:gradle:1.3.0'
}
}
ext {
compileSdkVersion = 23
buildToolsVersion = "23.0.1"
}
In your app\build.gradle
apply plugin: 'com.android.application'
repositories {
mavenCentral()
}
android {
compileSdkVersion rootPro...
ReadOnlyCollection or IEnumerable for exposing member collections?
... to Skip:
public IEnumerable<Foo> Foos {
get { return foos.Skip(0); }
}
(There are plenty of other options for wrapping trivially - the nice thing about Skip over Select/Where is that there's no delegate to execute pointlessly for each iteration.)
If you're not using .NET 3.5 you can w...
How to sum a variable by group
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404
Using aggregate:
aggregate(x$Frequency, by=list(Category=x$Category), FUN=sum)
Category x
1...