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How to determine the current shell I'm working on
...er (for example, if the shell's PID is "5", you may find processes called "java5" or "perl5" in the same grep output!). This is the second problem with the "ps" approach, on top of not being able to rely on the shell name.
echo $SHELL - The path to the current shell is stored as the SHELL variable f...
Wrong requestCode in onActivityResult
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Easier:
Java:
int unmaskedRequestCode = requestCode & 0x0000ffff
Kotlin:
val unmaskedRequestCode = requestCode and 0x0000ffff
Check for the lower 16 bits, just unmask it doing a logical AND with the upper 16 bits zeroed
protec...
Named regular expression group “(?Pregexp)”: what does “P” stand for?
... (?<group_name>…) syntax, which seems to be the most popular--even Java supports it now.
– Alan Moore
Apr 8 '12 at 5:43
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How to handle multiple cookies with the same name?
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If you use the Java/Scala framework Play: watch out! If a request contains multiple cookies with the same name, Play will only present 1 of them to your code.
share...
What is the difference between JSON and Object Literal Notation?
Can someone tell me what is the main difference between a JavaScript object defined by using Object Literal Notation and JSON object ?
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Hibernate show real SQL [duplicate]
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How to best position Swing GUIs?
...". I keep waiting for them to disappear and the real GUI to appear!
Since Java 1.5 we've had access to Window.setLocationByPlatform(boolean). which..
Sets whether this Window should appear at the default location for the native windowing system or at the current location (returned by getLocatio...
Accessing Object Memory Address
...'s true of Python in general. Jython doesn't deal in pointers, it deals in Java references (which the JVM of course probably represents as pointers, but you can't see those—and wouldn't want to, because the GC is allowed to move them around). PyPy lets different types have different kinds of id, b...
Android: Go back to previous activity
...that finish() is a non-static method of the Activity class. It's not valid Java, but it helps explain how one might use the method.
– Bryan Herbst
Sep 8 '14 at 19:54
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Freeing up a TCP/IP port?
...etails. Go to last column.
It will be in this format . For example :- PID/java
then execute :
kill -9 PID. Worked on Centos5
For MAC:
lsof -n -i :'port-number' | grep LISTEN
Sample Response :
java 4744 (PID) test 364u IP0 asdasdasda 0t0 TCP *:port-number (LISTEN)
and then execut...