大约有 7,000 项符合查询结果（耗时：0.0285秒） [XML]
Is a one column table good design? [closed]
...ULL DEFAULT AUTOINCREMENT, "master_entry_id" INTEGER NULL, "master_entry_label" VARCHAR(200) NULL, "language_id" INTEGER NULL, "localised_entry_label" VARCHAR(300) NULL,
– Vincent Buck
Jun 5 '09 at 12:01
...
Difference between Control Template and DataTemplate in WPF
...trol while a DataTemplate describes how to display Data.
For example:
A Label is a control and will include a ControlTemplate which says the Label should be displayed using a Border around some Content (a DataTemplate or another Control).
A Customer class is Data and will be displayed using a D...
Should I use a data.frame or a matrix?
...ing via as.matrix() will result in a character matrix if any of the factor labels is non-numeric. Compare:
> head(as.matrix(data.frame(a = factor(letters), B = factor(LETTERS))))
a B
[1,] "a" "A"
[2,] "b" "B"
[3,] "c" "C"
[4,] "d" "D"
[5,] "e" "E"
[6,] "f" "F"
> head(data.matrix(data...
Check if UIColor is dark or bright?
...il)
return white > 0.5
}
}
// Usage
if color.isLight {
label.textColor = UIColor.black
} else {
label.textColor = UIColor.white
}
share
|
improve this answer
|
...
Android - Back button in the title bar
... android:name="com.example.myfirstapp.DisplayMessageActivity"
android:label="@string/title_activity_display_message"
android:parentActivityName="com.example.myfirstapp.MainActivity" >
<!-- Parent activity meta-data to support 4.0 and lower -->
<meta-data
android:...
Why do we need break after case statements?
...
Historically, it's because the case was essentially defining a label, also known as the target point of a goto call. The switch statement and its associated cases really just represent a multiway branch with multiple potential entry points into a stream of code.
All that said, it has b...
Options, Settings, Properties, Configuration, Preferences — when and why?
...ences are probably not things that have as large of an impact as something labeled options or settings. Things such as a minor change in the display or something similar.
The most important thing is to have consistency across the application.
And personally, I prefer the term 'options', as it so...
PHP Function Comments
...re
* information.
*
* Summary Examples:
* + Sets the label (preferred)
* + Set the label (avoid)
* + This method sets the label (avoid)
*
* Below are the tags commonly used for methods. A @param tag is
* required for eac...
What is the difference between RDF and OWL? [closed]
...S vocabularies.
owl:ObjectProperty a rdfs:Class ;
rdfs:label "ObjectProperty" ;
rdfs:comment "The class of object properties." ;
rdfs:isDefinedBy <http://www.w3.org/2002/07/owl#> ;
rdfs:subClassOf rdf:Property .
owl:...
how to remove shared preference while application uninstall in android
...ccelerated="true"
android:icon="@drawable/appicon"
android:label="@string/application_name"
android:largeHeap="true"
android:theme="@style/AppTheme"
tools:replace="android:allowBackup">
<activity
android:name="com.package.SplashActiv...