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How SID is different from Service name in Oracle tnsnames.ora
...ce between Oracle
SIDs and Oracle SERVICE NAMES. One
config tool looks for SERVICE NAME and
then the next looks for SIDs! What's
going on?!
Oracle SID is the unique name that
uniquely identifies your
instance/database where as Service
name is the TNS alias that you give
when you...
Stack, Static, and Heap in C++
...riable, even if you cannot access it globally. Usually there is an address for it that is in the executable itself. There is only one copy for the entire program. No matter how many times you go into a function call (or class) (and in how many threads!) the variable is referring to the same memory l...
How do you increase the max number of concurrent connections in Apache?
...s do I need to change to increase the max number of concurrent connections for Apache? NOTE: I turned off KeepAlive since this is mainly an API server.
...
GLib compile error (ffi.h), but libffi is installed
... Note that if you are cross-compiling glib on a 64bit system for 32bit then you need to install libffi-dev:i386. It wasn't obvious to me. :)
– Björn Lindqvist
May 29 '15 at 10:31
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Extract only right most n letters from a string
...g fan of regular expressions (see my answers), but I'd never recomend them for a simple situation such as this. Any of the answers that use a function wrapper are better suited to code maintanance than a regular expression. An extension method (or standard function if .NET 2.0) is the best solution....
What is the correct way to get a subarray in Scala?
..."ColumnA", "ColumnB", "ColumnC")
val columns_original = original_array(0)
for (column_now <- columns_subset) {
sub_array += original_array.map{_(columns_original.indexOf(column_now))}
}
sub_array
share
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Link to add to Google calendar
I am unclear about the exact format to have a link on a website that will add a single event to a users Google calendar. I see that eventbrite has done it here but I would love some clear specs or links in the right direction
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Splitting String with delimiter
... trying to split a string 1128-2 so that I can have two separate values. For example, value1: 1128 and value2: 2, so that I can then use each value separately. I have tried split() but with no success. Is there a specific way Grails handles this, or a better way of doing it?
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Difference between var_dump,var_export & print_r
...
var_dump is for debugging purposes. var_dump always prints the result.
// var_dump(array('', false, 42, array('42')));
array(4) {
[0]=> string(0) ""
[1]=> bool(false)
[2]=> int(42)
[3]=> array(1) {[0]=>string(2) "...
Set element focus in angular way
After looking for examples of how set focus elements with angular, I saw that most of them use some variable to watch for then set focus, and most of them use one different variable for each field they want to set focus. In a form, with a lot of fields, that implies in a lot of different variables.
...