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Order of member constructor and destructor calls
...
In other words, are members guaranteed to be initialized by order of declaration and destroyed in reverse order?
Yes to both. See 12.6.2
6 Initialization shall proceed in the
following order:
First, and only for
the constructor of the most derived
class as described below, virtual ...
Catch Ctrl-C in C
...p a CtrlC handler, but as always there are rules that need to be obeyed in order not to break something else. Please read the comments below.
The sample code from above:
#include <stdio.h>
#include <signal.h>
#include <stdlib.h>
void INThandler(int);
int main(void)
{
...
How do I check if there are duplicates in a flat list?
...s I had tried your_list != list(set(your_list)) which will not work as the order of the elements will change. Using len is a good way to solve this problem
– igniteflow
May 31 '12 at 14:37
...
Calculating a directory's size using Python?
... It is probably wise to add the '-x' option to the du command in order to confine the search to the filesystem. In other words, use ['du', '-shx', path] instead.
– Keith Hanlan
Sep 27 '17 at 20:35
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Android: Tabs at the BOTTOM
...
In order to get rid of the divider at the bottom of the TabWidget, simply add android:layout_marginBottom="-5px" to the TabWidget. This will move the TabWidget off the bottom of the screen 5 pixels, just enough so you don't see ...
How do function pointers in C work?
... preparing the instance of the String, the newString function is called in order to set up the function pointers to their respective functions:
String newString()
{
String self = (String)malloc(sizeof(struct String_Struct));
self->get = &getString;
self->set = &setString;...
MySQL get row position in ORDER BY
...sition
FROM TABLE t
JOIN (SELECT @rownum := 0) r
ORDER BY t.name) x
WHERE x.name = 'Beta'
...to get a unique position value. This:
SELECT t.id,
(SELECT COUNT(*)
FROM TABLE x
WHERE x.name <= t.name) AS position,
t.name
FROM TABLE...
Sorting a Python list by two fields
...ove, this is the best (only?) way to do multiple sorts with different sort orders. Perhaps highlight that. Also, your text does not indicate that you sorted descending on second element.
– PeterVermont
Jun 12 '15 at 14:25
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Can I specify a custom location to “search for views” in ASP.NET MVC?
... mentioned by @Prasanna, there is no need to clear the existing engines in order to add new locations, see this answer for more details.
– Hooman Bahreini
Jan 26 at 4:28
add a...
How do SQL EXISTS statements work?
...way:
For 'each' row from Suppliers, check if there 'exists' a row in the Order table that meets the condition Suppliers.supplier_id (this comes from Outer query current 'row') = Orders.supplier_id. When you find the first matching row, stop right there - the WHERE EXISTS has been satisfied.
The ...