大约有 47,000 项符合查询结果(耗时:0.1503秒) [XML]

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PHP and Enumerations

... 1507 Depending upon use case, I would normally use something simple like the following: abstract cl...
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Get fragment (value after hash '#') from a URL in php [closed]

... 10 Answers 10 Active ...
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Trusting all certificates using HttpClient over HTTPS

...mport java.security.cert.CertificateException; import java.security.cert.X509Certificate; import javax.net.ssl.SSLContext; import javax.net.ssl.TrustManager; import javax.net.ssl.X509TrustManager; import org.apache.http.conn.ssl.SSLSocketFactory; public class MySSLSocketFactory extends SSLSocketFa...
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Android notification is not showing

...like this for it to work: .setSmallIcon(R.drawable.icon) Android Oreo (8.0) and above Android 8 introduced a new requirement of setting the channelId property by using a NotificationChannel. private NotificationManager mNotificationManager; NotificationCompat.Builder mBuilder = new Notificati...
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Is it better practice to use String.format over string Concatenation in Java?

... 250 I'd suggest that it is better practice to use String.format(). The main reason is that String.fo...
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Restoring MySQL database from physical files

... | edited Jul 25 '15 at 20:24 Benoit Duffez 9,1201010 gold badges6565 silver badges113113 bronze badges ...
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Can table columns with a Foreign Key be NULL?

... INTO child (id, parent_id) VALUES (1, NULL); -- Query OK, 1 row affected (0.01 sec) INSERT INTO child (id, parent_id) VALUES (2, 1); -- ERROR 1452 (23000): Cannot add or update a child row: a foreign key -- constraint fails (`t/child`, CONSTRAINT `child_ibfk_1` FOREIGN KEY -- (`parent_id`) REFE...
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What is the purpose of “&&” in a shell command?

... 409 && lets you do something based on whether the previous command completed successfully -...
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Allowed characters in Linux environment variable names

... 206 From The Open Group: These strings have the form name=value; names shall not contain th...
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Java: How to test methods that call System.exit()?

...quals("Exit status", 42, e.status); } } } Update December 2012: Will proposes in the comments using System Rules, a collection of JUnit(4.9+) rules for testing code which uses java.lang.System. This was initially mentioned by Stefan Birkner in his answer in December 2011. System.ex...