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What is the difference between Views and Materialized Views in Oracle?
...ts from the source of your materialized view in such a way that it instead reads from your materialized view. In situations where you create materialized views as forms of aggregate tables, or as copies of frequently executed queries, this can greatly speed up the response time of your end user appl...
Stopping python using ctrl+c
I have a python script that uses threads and makes lots of HTTP requests. I think what's happening is that while a HTTP request (using urllib2) is reading, it's blocking and not responding to Ctrl C to stop the program. Is there any way around this?
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Mapping a function on the values of a map in Clojure
...rate library: org.clojure/algo.generic "0.1.0" the example should now read: (use '[clojure.algo.generic.functor :only (fmap)]) (fmap inc {:a 1 :b 3 :c 5})
– Travis Schneeberger
Jul 29 '12 at 2:54
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How to force a line break in a long word in a DIV?
...the widths of the columns in the first row only (or via specified widths). Read more here.
Sample code:
table {
table-layout: fixed;
width: 100%;
}
table td {
word-wrap: break-word; /* All browsers since IE 5.5+ */
overflow-wrap: break-word; /* Renamed property in CSS3...
Can someone explain this 'double negative' trick? [duplicate]
I am by no means an expert at Javascript, but I have been reading Mark Pilgrim's "Dive into HTML5" webpage and he mentioned something that I would like a better understanding of.
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Using .gitignore to ignore everything but specific directories
...
I am not an expert on glob patterns, but reading the .gitignore man page, I believe this may work: !wordpress/[write out directories]/wp-content/themes/. Notice the closing slash and no closing asterisk. Also note that * will only match one level, not multiple dir...
How do I test for an empty string in a Bash case statement?
...e's how I do it (to each their own):
#!/bin/sh
echo -en "Enter string: "
read string
> finder.txt
echo "--" >> finder.txt
for file in `find . -name '*cgi'`
do
x=`grep -i -e "$string" $file`
case $x in
"" )
echo "Skipping $file";
;;
*)
echo "$file: " >> finder.txt
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sqlite alter table add MULTIPLE columns in a single statement
... DEFAULT '';
COMMIT
Note that there are ; on purpose to make the query be read as multiple lines.
Then I run this query and get multiple columns added in on run... So no not in one line, but yes in one query its possible.
s...
Does a foreign key automatically create an index?
...to be combined in a query that uses the keys as its criteria." That should read "... two tables should be optimized ..."
– Yishai
May 7 '09 at 18:55
add a comment
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Using MemoryStore in production
...hings considered memory leaks here:
problem with JSON parsing which is already fixed in recent versions
the fact that there is no cleanup of expired sessions if the users never access them (i.e. the only cleanup is on-access)
The solution seems to be rather simple, at least this is what I plan t...