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What is the strict aliasing rule?
...ve two incompatible pointers pointing to the same chunk of memory. I might then naively code something like this:
typedef struct Msg
{
unsigned int a;
unsigned int b;
} Msg;
void SendWord(uint32_t);
int main(void)
{
// Get a 32-bit buffer from the system
uint32_t* buff = malloc(siz...
Fastest way(s) to move the cursor on a terminal command line?
... I can go one better than that: "3f5B" to find the third occurrence of "5" then back up to the start of the word.
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MySQL select where column is not empty
...n't already see here (this question is very old, so it may have not worked then) is actually
SELECT t.phone,
t.phone2
FROM jewishyellow.users t
WHERE t.phone LIKE '813%'
AND t.phone2 > ''
Notice the > '' part, which will check if the value is not null, and if the value isn'...
How do you reindex an array in PHP?
...following:
$iZero = array_values($arr);
If you need it to start at one, then use the following:
$iOne = array_combine(range(1, count($arr)), array_values($arr));
Here are the manual pages for the functions used:
array_values()
array_combine()
range()
...
How to clone all repos at once from GitHub?
...ink in your case, you'll be looking specifically for the ssh_url property.
Then git clone each of those ssh_urls.
It's a little bit of extra work, but it's necessary for GitHub to have proper authentication.
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Why should text files end with a newline?
...ten. If a parser was originally written with the POSIX definition in mind, then it might be easier to modify the token stream rather than the parser — in other words, add an “artificial newline” token to the end of the input.
...
Set mouse focus and move cursor to end of input using jQuery
...
Looks like clearing the value after focusing and then resetting works.
input.focus();
var tmpStr = input.val();
input.val('');
input.val(tmpStr);
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How to remove a column from an existing table?
...king this is not so trivial.
If this column is referenced by other tables then you need to figure out what to do with other tables/columns. One option is to remove foreign keys and keep referenced data in other tables.
Another option is to find all referencing columns and remove them as well if th...
std::next_permutation Implementation Explanation
...o the right is in descending order because if it isn't in descending order then there are still more permutations to go (ie we can "increase" the permutation by a smaller amount).
Let's now go back to the code:
while (true)
{
It j = i;
--i;
if (*i < *j)
{ // ...
}
if (...
What is the most useful script you've written for everyday life? [closed]
... him as Cherry Bomb. He would often get mad when customers would call and then stand up and start ranting at me over the cubicle wall, killing my productivity and morale.
I always had Microsoft Excel open. When he would do this, I would alt-tab to Excel and there, on the toolbar, was a new icon w...