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java.lang.IllegalStateException: Cannot (forward | sendRedirect | create session) after response has
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A common misunderstanding among starters is that they think that the call of a forward(), sendRedirect(), or sendError() would magically exit and "jump" out of the method block, hereby ignoring the remnant of the code. For exam...
The Difference Between Deprecated, Depreciated and Obsolete [closed]
... purposes and it will be removed probably in the next big release. It is recommended that you do not use deprecated functions or features - even if they are present in the current library for example.
Obsolete means that is already out-of-use.
Depreciated means the monetary value of something ha...
How to convert TimeStamp to Date in Java?
...s deprecated? The latest java 7 and 8 docs both say otherwise (docs.oracle.com/javase/7/docs/api/java/util/Date.html#getTime() and docs.oracle.com/javase/8/docs/api/java/util/Date.html#getTime--)
– Alex Coleman
Sep 22 '14 at 21:46
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Does C have a “foreach” loop construct?
... If you've got the "typeof" operator (gcc extension; pretty common on many other compilers) you can get rid of that "int *". The inner for loop becomes something like "for(typeof((array)+0) item = ..." Then you can call as "foreach( v, values ) ..."
– leander
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How do I find the caller of a method using stacktrace or reflection?
...a "safepoint" -- locking the heap and stack. See this bug report: bugs.sun.com/bugdatabase/view_bug.do?bug_id=6375302
– David Moles
Dec 8 '11 at 23:30
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adb not finding my device / phone (MacOS X)
...ng said, the quickest way to reset adb is to restart it with the following commands in sequence:
adb kill-server
adb devices
But every now and then the adb devices command just fails to find your device. Maybe if you're working with some experimental or prototype or out-of-the-ordinary device...
How do I get an object's unqualified (short) class name?
...because it can lead to unexpected results if mis-used (protected methods becoming public, etc.). You can use simple string replacement on PHP magic constants instead: str_replace(__NAMESPACE__ . '\\', '', __CLASS__);. It's also much faster, performance-wise.
– Franklin P Strube...
What's a concise way to check that environment variables are set in a Unix shell script?
...tive, exits. Otherwise, the value of parameter is substituted.
The Colon Command
I should probably add that the colon command simply has its arguments evaluated and then succeeds. It is the original shell comment notation (before '#' to end of line). For a long time, Bourne shell scripts had a c...
How to fix committing to the wrong Git branch?
I just made a perfectly good commit to the wrong branch.
How do I undo the last commit in my master branch and then take those same changes and get them into my upgrade branch?
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How to check if AlarmManager already has an alarm set?
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Following up on the comment ron posted, here is the detailed solution. Let's say you have registered a repeating alarm with a pending intent like this:
Intent intent = new Intent("com.my.package.MY_UNIQUE_ACTION");
PendingIntent pendingIntent ...