大约有 21,000 项符合查询结果（耗时：0.0329秒） [XML]
Nullable Foreign Key bad practice?
...table Orders with a foreign key to a Customer Id. Now, suppose you want to add an Order without a Customer Id, (whether that should be possible is another question) you would have to make the foreign key NULL... Is that bad practice or would you rather work with a link table between Orders and Custo...
How are booleans formatted in Strings in Python?
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danbendanben
70.8k1818 gold badges113113 silver badges140140 bronze badges
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Set font-weight using Bootstrap classes
...r below for clarity purposes.
I am posting this answer because this thread seems to have a lot of visitors, yet it had no proper solution to solve this issue. But there will be soon now a way with Bootstrap 4 :
As this GitHub pull request shows, you will just have to use the text-weight-normal, ...
Can't su to user jenkins after installing Jenkins
I've installed jenkins and I'm trying to get into a shell as Jenkins to add an ssh key. I can't seem to su into the jenkins user:
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ImageView in circular through xml
...lns:android="http://schemas.android.com/apk/res/android"
android:innerRadius="0dp"
android:shape="ring"
android:thicknessRatio="1.9"
android:useLevel="false" >
<solid android:color="@android:color/transparent" />
<stroke
android:width="10dp"
andro...
How to change context root of a dynamic web project in Eclipse?
... that in effect accomplish this.
The file that's changing is workspace/.metadata/.plugins/org.eclipse.wst.server.core/publish/publish.dat unless, that is, you've got more than one server in your workspace in which case it will be publishN.dat on that same path.
Hope this helps somebody.
Not sure if...
Where is C not a subset of C++? [closed]
I read in a lot of books that C is a subset of C++.
12 Answers
12
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What's the advantage of a Java enum versus a class with public static final fields?
...arn that Java enums could contain multiple pieces of data which seems very advantageous ( http://docs.oracle.com/javase/tutorial/java/javaOO/enum.html ). However, since then I have found a lot of features missing that are trivial in C#, such as the ability to easily assign an enum element a certain ...
java.lang.IllegalArgumentException: View not attached to window manager
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Jared Burrows
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answered Feb 24 '11 at 9:12
DamjanDamjan
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Set custom HTML5 required field validation message
...censed] CC BY-SA 3.0 2013-2015 ComFreek
* You MUST retain this license header!
*/
(function (exports) {
function valOrFunction(val, ctx, args) {
if (typeof val == "function") {
return val.apply(ctx, args);
} else {
return val;
}
}
func...