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How to select all records from one table that do not exist in another table?
...not give correct results. I don't really understand why but it's a fact, I tested it.
– user890332
Aug 21 '19 at 23:16
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show 9 more comment...
python NameError: global name '__file__' is not defined
...ath.realpath('__file__')))
Source:
http://cx-freeze.readthedocs.org/en/latest/faq.html
Your old line (initial question):
def read(*rnames):
return open(os.path.join(os.path.dirname(__file__), *rnames)).read()
Substitute your line of code with the following snippet.
def find_data_file(filename...
How to check Oracle database for long running queries
...
It;s valid. I tested it. What tool are you using to query? It might be getting confused with the # sign. Try changing the beginning and the end like this: "select * from ... order by sid,q.piece"
– Carlos A. Ibarra
...
How do you prevent install of “devDependencies” NPM modules for Node.js (package.json)?
...then they probably don't want or need to download and build
the external test or documentation framework that you use.
In this case, it's best to list these additional items in a
devDependencies hash.
These things will be installed whenever the --dev configuration flag
is set. This f...
Generating a PNG with matplotlib when DISPLAY is undefined
...n disk to make this work. I have employed this approach with, for example, testing in continuous integration, and running on remote machines that do not have displays.
Hard-coding your matplotlib backend to "Agg" in your Python code is like bashing a square peg into a round hole with a big hammer, ...
How to get the nth element of a python list or a default if not available
... why it may be better to use try/except, than to try to correctly code the test so it never fails. I still don't like to rely on try/except, for a case that I know will happen, but this increases my willingness to consider it.
– ToolmakerSteve
Dec 15 '13 at 3:2...
MySQL Update Inner Join tables query
... said the query yielded a syntax error, I created some tables that I could test it against and confirmed that there is no syntax error in my query:
mysql> create table business (business_id int unsigned primary key auto_increment, mapx varchar(255), mapy varchar(255)) engine=innodb;
Query OK, 0 ...
When can I use a forward declaration?
...f2(){return X<T>(); } // OK if X is defined before calling f2
void test1()
{
f1(X<int>()); // Compiler error
f2<int>(); // Compiler error
}
template <typename T> struct X {};
void test2()
{
f1(X<int>()); // OK since X is defined now
f2<int>()...
What's the difference between RANK() and DENSE_RANK() functions in oracle?
... items.
As for nulls, it depends on the ORDER BY clause. Here is a simple test script you can play with to see what happens:
with q as (
select 10 deptno, 'rrr' empname, 10000.00 sal from dual union all
select 11, 'nnn', 20000.00 from dual union all
select 11, 'mmm', 5000.00 from dual union all
se...
jQuery: Best practice to populate drop down?
...till working with strings the whole time. Believe it or not, that's the fastest way to build a DOM fragment... Now, if you have only a few options, it won't really matter - use the technique Dreas demonstrates if you like the style. But bear in mind, you're invoking the browser's internal HTML parse...