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Oracle SQL: Update a table with data from another table
...le2 multiple times for some/all records (not clean). Secondly: there is no order by clause so this will occur in an unpredictable manner (i.e. last value in unordered data wins). Thirdly: It will be much slower. Assuming the outcome of the for loop was intended, the original subselect could have bee...
How to show all privileges from a user in oracle?
...s connect by prior granted_role = grantee start with grantee = '&USER' order by 1,2,3;
select * from dba_sys_privs where grantee = '&USER' or grantee in (select granted_role from dba_role_privs connect by prior granted_role = grantee start with grantee = '&USER') order by 1,2,3;
select ...
How to get the system uptime in Windows? [closed]
...xe utility.
Run the uptime.exe utility. You can add a /? to the command in order
to get more options.
It does not offer many command line parameters:
C:\uptimefromcodeplex\> uptime /?
usage: Uptime [-V]
-V display version
C:\uptimefromcodeplex\> uptime -V
version 1.1.0
3.1: By us...
How to get base url with jquery or javascript?
In joomla php there I can use $this->baseurl to get the base path, but I wanted to get the base path in jquery.
24 Ans...
How to free memory in Java?
... Java Virtual Machine expend effort
toward recycling unused objects in
order to make the memory they
currently occupy available for quick
reuse. When control returns from the
method call, the Java Virtual Machine
has made a best effort to reclaim
space from all discarded objects.
...
How to “grep” for a filename instead of the contents of a file?
...3) library function. Don't forget to
enclose the pattern in quotes in order to protect it from expansion by the shell.
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Remove duplicate lines without sorting [duplicate]
...rt does a premature optimization by 1st applying --unique on the input (in order to reduce processing in subsequent steps). This removes data needed for the --reverse step too early. To fix this, insert a sort --reverse -k2 as the 1st sort in the pipeline: cat -n file_name | sort -rk2 | sort -uk2 | ...
No == operator found while comparing structs in C++
...rs are to arrays and of how many objects/bytes needing comparison)
whether order matters when comparing unsorted containers (e.g. vector, list), and if so whether it's ok to sort them in-place before comparing vs. using extra memory to sort temporaries each time a comparison is done
how many array e...
Android Eclipse - Could not find *.apk
...uilder" from my Builders for the project, building the project manually, reordering my java build path. I have no visible compiler issues and no problems exist in my workspace.
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Linking to an external URL in Javadoc?
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