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How to import a Python class that is in a directory above?
...lar system
This is why we write import foo to load a module "foo" from the root namespace, instead of writing:
foo = dict(); # please avoid doing this
with open(os.path.join(os.path.dirname(__file__), '../foo.py') as foo_fh: # please avoid doing this
exec(compile(foo_fh.read(), 'foo.py', 'exec...
Vim: apply settings on files in directory
...re expanding templates (which is quite useful to fetch the current project root directory and trim it from the pathnames expanded)
– Luc Hermitte
Dec 1 '10 at 16:08
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Passing references to pointers in C++
... to a pointer to make all the pointers in a deleted binary tree except the root safe. To make the pointer safe we just have to set it to 0. I could not make the function that deletes the tree (keeping only the root) to accept a ref to a pointer since I am using the root (this pointer) as the first i...
Creating a daemon in Linux
...e permissions */
umask(0);
/* Change the working directory to the root directory */
/* or another appropriated directory */
chdir("/");
/* Close all open file descriptors */
int x;
for (x = sysconf(_SC_OPEN_MAX); x>=0; x--)
{
close (x);
}
/* Open...
PHP: How to remove all non printable characters in a string?
...r all of the cases. My issue was in trying to insert a string into a utf8 mysql table. The string (and its bytes) all conformed to utf8, but had several bad sequences. I assume that most of them were control or formatting.
function clean_string($string) {
$s = trim($string);
$s = iconv("UTF-...
Django, creating a custom 500/404 error page
...ing 404 errors. It finds it by looking for the variable handler404 in your root URLconf (and only in your root URLconf; setting handler404 anywhere else will have no effect), which is a string in Python dotted syntax – the same format the normal URLconf callbacks use. A 404 view itself has nothing...
How to call a stored procedure from Java and JPA
...stgreSQL functions (stored procedures) with JPA and Hibernate
How to call MySQL stored procedures and functions with JPA and Hibernate
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How to pass parameters in GET requests with jQuery
...ther, where now I call a jquery dialog and call ajax to retrieve data from mysql. I am missing the link on how to retrieve the unique ID associated with each datapoint click. Appreciate if you can help me out. Thank you
– user5249203
Dec 30 '16 at 18:08
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INNER JOIN ON vs WHERE clause
....
It's easier to see this with the WHERE syntax.
As for your example, in MySQL (and in SQL generally) these two queries are synonyms.
Also note that MySQL also has a STRAIGHT_JOIN clause.
Using this clause, you can control the JOIN order: which table is scanned in the outer loop and which one is...
What is stdClass in PHP?
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maybe he used mysql_fetch_object. that creates an instance of stdlcass if im not mistaken.
– Galen
May 31 '09 at 5:58
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