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What to do on TransactionTooLargeException
...lso, such as if the transaction is malformed or
// refers to an FD that has been closed. We should change the driver
// to enable us to distinguish these cases in the future.
jniThrowException(env, canThrowRemoteException
? "android/os/TransactionTooLargeExcept...
Select first row in each GROUP BY group?
...N purchases (customer, total DESC, id);
1A: 277.953 ms
1B: 193.547 ms
2A: 249.796 ms -- special index not used
2B: 28.679 ms
3A: 0.120 ms
3B: 0.048 ms
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...
See what process is using a file in Mac OS X
...rd and gives you back the following, clear, result:
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
Finder 497 JR7 21r REG 1,2 246223 33241712 image.jpg
QuickLook 1007 JR7 txt REG 1,2 246223 33241712 image.jpg
...
Bash set +x without it being printed
...'s a version golfed slightly further: { set +x; } 2>&-. That closes fd 2 outright rather than make it point at /dev/null. Some programs don't handle that well when they try to print to stderr, which is why /dev/null is good style in general; but the shell's set -x tracing handles it just fine...
Increasing the maximum number of TCP/IP connections in Linux
...r to start both your client and server side applications by increasing the FD ulimts, in the shell.
Besides the above one more popular technique used by programmers is to reduce the number of tcp write calls. My own preference is to use a buffer wherein I push the data I wish to send to the client,...
How to unescape HTML character entities in Java?
...cent
{"\u00FC", "uuml"}, // ь - lowercase u, umlaut
{"\u00FD", "yacute"}, // э - lowercase y, acute accent
{"\u00FE", "thorn"}, // ю - lowercase thorn, Icelandic
{"\u00FF", "yuml"}, // я - lowercase y, umlaut
};
private static final int MIN_ESCAPE = 2;
...
Java 8 Streams - collect vs reduce
...ngBuilder which is mutable. See: hg.openjdk.java.net/jdk8/jdk8/jdk/file/687fd7c7986d/src/share/…
– Sandro
Mar 8 at 12:37
...
Finding what branch a Git commit came from
... temporal path:
v2.6.12-rc3-450-g1f9c381 merged up at v2.6.12-rc3-590-gbfd4bda (Thu May 5 08:59:37 2005)
v2.6.12-rc3-590-gbfd4bda merged up at v2.6.12-rc3-461-g84e48b6 (Tue May 3 18:27:24 2005)
v2.6.12-rc3-461-g84e48b6 is on master
v2.6.12-rc3-461-g84e48b6 is on v2.6.12-n
[...]
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node and Error: EMFILE, too many open files
...r nodejs processes:
lsof -i -n -P | grep nodejs
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
...
nodejs 12211 root 1012u IPv4 151317015 0t0 TCP 10.101.42.209:40371->54.236.3.170:80 (ESTABLISHED)
nodejs 12211 root 1013u IPv4 151279902 0t0 TCP 10.101.4...
What are the differences between json and simplejson Python modules?
...n': 'v1.0.3286', 'message': 'Successful Parse', 'muuid1': '11e2-8414-a5e9e0fd-95a6-12313913cc26', 'api_reply': {"api_reply": {"Money": {"Currency": "ILS", "Amount": "123", "Restriction": "Less"}, "ProcessedText": "ny monday for less than \\u20aa123", "Locations": [{"Index": 0, "Derived From": "Defau...