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Delete column from SQLite table
...xample, suppose you have a table named "t1" with columns names
"a", "b", and "c" and that you want to delete column "c" from this
table. The following steps illustrate how this could be done:
BEGIN TRANSACTION;
CREATE TEMPORARY TABLE t1_backup(a,b);
INSERT INTO t1_backup SELECT a,b FROM t1;
DRO...
Why would one omit the close tag?
...of the file. The header problem seems irrelevant in the following context (and this is the only good argument so far):
14 ...
Get the length of a String
...ke this: func countElements<T>(x: T) -> T.IndexType.DistanceType and the return type doesn't accept the + operation.
– MarkAurelius
Jul 6 '14 at 6:21
291
...
Does ruby have real multithreading?
...e confusing two very different things here: the
Ruby Programming Language and the specific threading model of one
specific implementation of the Ruby Programming Language. There
are currently around 11 different implementations of the Ruby
Programming Language, with very different and unique thr...
What is “rvalue reference for *this”?
...this never changes, see the bottom of this post. It's way easier to understand it with this wording though.
Next, the following code chooses the function to be called based on the ref-qualifier of the "implicit object parameter" of the function†:
// t.cpp
#include <iostream>
struct test{
...
Rails Object to hash
...answered Oct 6 '10 at 12:12
SwanandSwanand
11.6k66 gold badges4343 silver badges6262 bronze badges
...
How can I get the source code of a Python function?
... tuple; tuple[0] is list of strings representing the lines of source code, and tuple[1] is the line number in the context of execution where it was run. In IPython; this is the line number within the cell not the overall notebook
– The Red Pea
Sep 23 '14 at 5:3...
What's wrong with this 1988 C code?
...
Your problem is with your preprocessor definitions of IN and OUT:
#define IN 1; /* inside a word */
#define OUT 0; /* outside a word */
Notice how you have a trailing semicolon in each of these. When the preprocessor expands them, your code will look roughly like:
...
Sql Server string to date conversion
...lexible, way of taking an arbitrarily structured datetime in string format and converting it to the datetime data type.
By "arbitrarily", I mean "a form that the person who wrote it, though perhaps not you or I or someone on the other side of the planet, would consider to be intuitive and completel...
Sorting list based on values from another list?
...t should be: The list is ordered regarding the first element of the pairs, and the comprehension extracts the 'second' element of the pairs.
– MasterControlProgram
Oct 6 '17 at 14:31
...