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How to export query result to csv in Oracle SQL Developer?
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Right click and select unload.
Update. In Sql Developer Version 3.0.04 unload has been changed to export
Thanks to Janis Peisenieks for pointing this out
Revised screen shot for SQL Developer Version 3.0.04
From the format drop down select CSV
And follow the rest of the on screen in...
how to use sed, awk, or gawk to print only what is matched?
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43
My sed (Mac OS X) didn't work with +. I tried * instead and I added p tag for printing match:
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RVM is not a function, selecting rubies with 'rvm use …' will not work
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243
Your console is not running as a login shell and hence have no access to rvm function. If you a...
Stack, Static, and Heap in C++
I've searched, but I've not understood very well these three concepts. When do I have to use dynamic allocation (in the heap) and what's its real advantage? What are the problems of static and stack? Could I write an entire application without allocating variables in the heap?
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How many socket connections can a web server handle?
...l or dedicated hosting, I read somewhere a server/machine can only handle 64,000 TCP connections at one time, is this true? How many could any type of hosting handle regardless of bandwidth? I'm assuming HTTP works over TCP.
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Where do I find the definition of size_t?
...e as unsigned int, which can lead to programming errors,2 particularly as 64-bit architectures become more prevalent.
From C99 7.17.1/2
The following types and macros are defined in the standard header stddef.h
<snip>
size_t
which is the unsigned integer type of the result of the sizeof oper...
What's the easiest way to install a missing Perl module?
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24 Answers
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How to create a Custom Dialog box in android?
...ill_parent"
android:layout_height="80dp"
android:background="#3E80B4"
android:orientation="vertical" >
<TextView
android:id="@+id/txt_dia"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
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Can (domain name) subdomains have an underscore “_” in it?
...ome DNS client programs.
See also the original DNS specification, RFC 1034, section 3.5
"Preferred name syntax" but read it carefully.
Domains with underscores are very common in the wild. Check _jabber._tcp.gmail.com or _sip._udp.apnic.net.
Other RFC mentioned here deal with different things. T...
Convert XML to JSON (and back) using Javascript
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edited Apr 11 '14 at 9:51
mikemaccana
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