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Sublime Text 2 and 3: open the same file multiple times
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If you want an equivalent keyboard shortcut, use the Command Palette: Ctrl+Shift+P, type "file view", hit Enter
– Eric
Apr 20 '18 at 12:16
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Argparse: Way to include default values in '--help'?
...David I was having the same problem. Add the help argument in add_argument and that should work.
– Pablo Díaz Ogni
Sep 28 '16 at 13:47
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sh...
How does IPython's magic %paste work?
I want to copy already indented Python code / whole functions and classes into IPython. Everytime I try the indentation is screwed up and I get following error message:
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How to convert std::string to LPCWSTR in C++ (Unicode)
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(Found this question browsing randomly; it's been a long time since I did C++.) So the standard library doesn't have std::string -> std::wstring conversion? That seems weird; is there a good reason?
– Domenic
Jul 2...
It has a DefiningQuery but no InsertFunction element… err
This thing is driving me crazy, and the error is quite meaningless to me:
6 Answers
6
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Sass .scss: Nesting and multiple classes?
...ng the &.
This notation is most often used to write pseudo-elements and -classes:
.element{
&:hover{ ... }
&:nth-child(1){ ... }
}
However, you can place the & at virtually any position you like*, so the following is possible too:
.container {
background:red;
#...
Inner join vs Where
...="T2"."ID"))
-- 2 table access full table1
-- 3 table access full table2
And the execution plan for the query using a WHERE clause.
-- with where clause
EXPLAIN PLAN FOR
SELECT * FROM table1 t1, table2 t2
WHERE t1.id = t2.id;
SELECT *
FROM TABLE (DBMS_XPLAN.DISPLAY);
-- 0 select statement
-- 1...
How exactly does the “Specific Version” property of an assembly reference work in Visual Studio?
...is that "Specific Version" is a property that takes effect at compile-time and not at runtime.
What is it all about?
When a project is built, the project's assembly references need to be resolved in order to find the physical assemblies that the build system should use. If the "Specific Version" c...
Rails auto-assigning id that already exists
... am guessing at your sequence name "company_id_seq", table name "company", and column name "id" ... please replace them with the correct ones. You can get the sequence name with SELECT pg_get_serial_sequence('tablename', 'columname'); or look at the table definition with \d tablename.
An alternate ...
Cost of len() function
...ength of the element - very fast) on every type you've mentioned, plus set and others such as array.array.
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