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MySQL error 2006: mysql server has gone away
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Good point, if you have a process that is intermittent then its better to release your connection so you don't used up all the connections. Rebuilding the connection is generally cheap. +1
– Yzmir Ramirez
Nov 3 '11 at 0:48
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What are the most common naming conventions in C?
...ivial Variables: i,n,c,etc... (Only one letter. If one letter isn't
clear, then make it a Local Variable)
Local Variables: lowerCamelCase
Global Variables: g_lowerCamelCase
Const Variables: ALL_CAPS
Pointer Variables: add a p_ to the prefix. For global variables it would be gp_var, for local variabl...
Immutable vs Mutable types
...on the first line. On the second line, it looks up that 1, adds 5, gets 6, then points a at that 6 in memory -- it didn't change the 1 to a 6 in any way. The same logic applies to the following examples, using other immutable types:
b = 'some string'
b += 'some other string'
c = ('some', 'tuple')
c...
How do I find duplicate values in a table in Oracle?
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Aggregate the column by COUNT, then use a HAVING clause to find values that appear greater than one time.
SELECT column_name, COUNT(column_name)
FROM table_name
GROUP BY column_name
HAVING COUNT(column_name) > 1;
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What is the closest thing Windows has to fork()?
...ly featured fork() on Windows. Thus if using Cygwin is acceptable for you, then the problem is solved in the case performance is not an issue.
Otherwise you can take a look at how Cygwin implements fork(). From a quite old Cygwin's architecture doc:
5.6. Process Creation
The fork call in Cyg...
Insert Update trigger how to determine if insert or update
...on =
CASE
WHEN EXISTS(SELECT * FROM INSERTED) THEN 'U' -- Set Action to Updated.
ELSE 'D' -- Set Action to Deleted.
END
END
ELSE
IF NOT EXISTS(SELECT * FROM INSERTED) RETURN; -- Nothing updated or inserted.
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How to call Android contacts list?
...s contact list. I need to call the contacts list function, pick a contact, then return to my app with the contact's name. Here's the code I got on the internet, but it doesnt work.
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How to complete a git clone for a big project on an unstable connection?
...'s just anything but stable. I can get the connection back any moment, but then the git clone process already stopped working, and no way to get it running again. Is there some way to have a more failure-resistant git clone download?
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Executors.newCachedThreadPool() versus Executors.newFixedThreadPool()
...tOfMemory. Also, if cachedPool is internally creating only a single thread then this possible indicates that your tasks are running syncronhized.
– bruno conde
Jun 4 '09 at 13:06
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How to access parameters in a RESTful POST method
...XmlElement public String param1;
@XmlElement public String param2;
}
Then your @POST method would look like the following:
@POST @Consumes("application/json")
@Path("/create")
public void create(final MyJaxBean input) {
System.out.println("param1 = " + input.param1);
System.out.printl...