大约有 7,540 项符合查询结果（耗时：0.0226秒） [XML]
When and how should I use a ThreadLocal variable?
...e garbage collected.
You will end up with out of memory exceptions due to java.lang.OutOfMemoryError: PermGen space and after some googling will probably just increase -XX:MaxPermSize instead of fixing the bug.
If you do end up experiencing these problems, you can determine which thread and class ...
How to build an android library with Android Studio and gradle?
...ver used it.
Project Root
+-- src
| +-- main (your project)
| | +-- java (where your java code goes)
| | +-- res (where your res go)
| | +-- assets (where your assets go)
| | \-- AndroidManifest.xml
| \-- instrumentTest (test project)
| \-- java (where your java code goes...
Sending a notification from a service in Android
...
This type of Notification is deprecated as seen from documents:
@java.lang.Deprecated
public Notification(int icon, java.lang.CharSequence tickerText, long when) { /* compiled code */ }
public Notification(android.os.Parcel parcel) { /* compiled code */ }
@java.lang.Deprecated
public voi...
Setting environment variables via launchd.conf no longer works in OS X Yosemite/El Capitan/macOS Sie
...ution and it didn't work for me either. But I am specifically expecting my Java IDE (IntelliJ) to pick up my path modifications and it is not. Everything works just fine from terminal. It might be a bug in IntelliJ. Still frustrating that Apple removed this functionality. I called Apple and they wer...
How to configure Eclipse build path to use Maven dependencies?
... under Eclipse or not so I'll try to cover all cases.
If you created a "Java" project under Eclipse (Ctrl+N > Java Project), then right-click the project in the Package Explorer view and go to Maven > Enable Dependency Management (depending on the initial project structure, you may have mo...
How to set the maximum memory usage for JVM?
...le
http://blogs.vmware.com/apps/2011/06/taking-a-closer-look-at-sizing-the-java-process.html
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Linux/Unix command to determine if process is running?
...ossible processes that you are not interested in.
Example: show me if any java process with supplied argument:
-Djava.util.logging.config.file=logging.properties
is running
ps ax | grep -v grep | grep java | grep java.util.logging.config.file=logging.properties | wc -l
...
Android and in TextView
...
That works great. You can add that to xml or in java code. Work fine in java code, in xml I haven't tested to much, but it should do the job.
– Mikooos
Jul 4 '11 at 7:52
...
Check whether a string is not null and not empty
...isEmpty())
Be sure to use the parts of && in this order, because java will not proceed to evaluate the second part if the first part of && fails, thus ensuring you will not get a null pointer exception from str.isEmpty() if str is null.
Beware, it's only available since Java SE 1....
How do I verify that an Android apk is signed with a release certificate?
...
Use this command, (go to java < jdk < bin path in cmd prompt)
$ jarsigner -verify -verbose -certs my_application.apk
If you see "CN=Android Debug", this means the .apk was signed with the debug key generated by the Android SDK
(means it is u...