大约有 1,636 项符合查询结果（耗时：0.0124秒） [XML]
What is difference between CrudRepository and JpaRepository interfaces in Spring Data JPA?
...a is not any different from any other general purpose library like commons-lang or Guava. As long as it provides reasonable benefit, it's just fine.
By extending e.g. CrudRepository, you expose a complete set of persistence method at once. This is probably fine in most circumstances as well but you ...
When to use an assertion and when to use an exception
...u should catch only the exception that you are expecting. By catching java.lang.Exception (and especially by not logging it), you are making it harder to diagnose / debug the problem, and potentially allowing the app to do more damage.
...
How to permanently remove few commits from remote branch
.... For instance on GitHub: twitter.com/githubhelp/status/387926738161774592?lang=es
– VonC
Jan 13 at 13:58
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How to dynamically update a ListView on Android [closed]
...n starting to type in. Part of the error: ERROR/AndroidRuntime(188): java.lang.NullPointerException 02-11 07:30:29.828: ERROR/AndroidRuntime(188): at xxx.com.ListFilter$1.onTextChanged(ListFilter.java:46) 02-11 07:30:29.828: ERROR/AndroidRuntime(188): at android.widget.TextView.sendOnTextCh...
How to persist a property of type List in JPA?
...
@org.hibernate.annotations.CollectionOfElements(
targetElement = java.lang.String.class
)
@JoinTable(
name = "foo",
joinColumns = @JoinColumn(name = "foo_id")
)
@org.hibernate.annotations.IndexColumn(
name = "POSITION", base = 1
)
@Column(name = "baz", nullable = false)
private List...
How to get domain URL and application name?
... var="uri" value="${req.requestURI}" />
<!doctype html>
<html lang="en">
<head>
<title>SO question 2204870</title>
<base href="${fn:substring(url, 0, fn:length(url) - fn:length(uri))}${req.contextPath}/">
<script src="js/global.j...
Unloading classes in java?
... if unloading class worked in JConsole or something, try also adding java.lang.System.gc() at the end of your class unloading logic. It explicitly triggers Garbage Collector.
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How can I pass a Bitmap object from one activity to another
...t a best practice, if the bitmap object size is bigger, then you get "java.lang.SecurityException: Unable to find app for caller android.app.ApplicationThreadProxy......". the recommended way is like @slayton says, you have to save bitmap on external storage and pass just the URI.
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Unable to modify ArrayAdapter in ListView: UnsupportedOperationException
...d to change the items in the ArrayAdapter, the program crashed, with java.lang.UnsupportedOperationException error. Here is my code:
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Glorified classes in the Java language
...t)
References: WeakReference, SoftReference, PhantomReference
Thread - the language doesn't give you a specific instruction to start a thread, rather it magically applies it to the start() method.
Throwable - the root of all classes that can work with throw, throws and catch, as well as the compiler...