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PostgreSQL: How to change PostgreSQL user password?
...ostgresql/9.1/main/pg_hba.conf (path will differ) and change:
local all all peer
to:
local all all md5
Then restart the server:
$ sudo service postgresql restart
...
Code block in numbered list (Wiki syntax)
...two
It is not perfect, because you end up with a more indent but it does allow one to use the wiki syntax for correctly formatted pre blocks over multiple lines.
As previously mentioned, the other proper way would be to use HTML mark up.
<ol>
<li>one</li>
<li>two</li&g...
In C, how should I read a text file and print all strings
...igned.
If you want to read the file in chunks, but without dynamic memory allocation, you can do:
#define CHUNK 1024 /* read 1024 bytes at a time */
char buf[CHUNK];
FILE *file;
size_t nread;
file = fopen("test.txt", "r");
if (file) {
while ((nread = fread(buf, 1, sizeof buf, file)) > 0)
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Learning Ant path style
...hes com/test.jsp but also com/tast.jsp or com/txst.jsp
com/*.jsp - matches all .jsp files in the com directory
com/**/test.jsp - matches all test.jsp files underneath the com path
org/springframework/**/*.jsp - matches all .jsp files underneath the org/springframework path
org/**/servlet/bla.jsp - m...
How can I unstage my files again after making a local commit?
...
What is described in this answer is actually what git commit --amend does; but with a much more complicated workflow. This does not answer the question OP asked, in spite of giving a good direction (git reset).
– 7heo.tk
May 1...
Identifying the dependency relationship for python packages installed with pip
... freeze I see large number of Python packages that I didn't explicitly install, e.g.
8 Answers
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How to force HTTPS using a web.config file
...round Google and StackOverflow trying to find a solution to this, but they all seem to relate to ASP.NET etc.
9 Answers
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Why am I getting ibtool failed with exit code 255?
All of a sudden I can't build my project. I get the following compiler error:
33 Answers
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Selecting multiple classes with jQuery
I’ve had a good look and can’t seem to find out how to select all elements matching certain classes in one jQuery selector statement such as this:
...
Convert data.frame column format from character to factor
...e to the world of R.
mtcars #look at this built in data set
str(mtcars) #allows you to see the classes of the variables (all numeric)
#one approach it to index with the $ sign and the as.factor function
mtcars$am <- as.factor(mtcars$am)
#another approach
mtcars[, 'cyl'] <- as.factor(mtcars[...