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Undoing a git rebase
...find the head commit of the branch as it was immediately before the rebase started in the reflog...
git reflog
and to reset the current branch to it (with the usual caveats about being absolutely sure before reseting with the --hard option).
Suppose the old commit was HEAD@{5} in the ref log:
g...
Generate random number between two numbers in JavaScript
...ould calculate:
Math.floor(Math.random() * 6) + 1
Where:
1 is the start number
6 is the number of possible results (1 + start (6) - end (1))
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Transaction count after EXECUTE indicates a mismatching number of BEGIN and COMMIT statements. Previ
...appropriate aborted and uncommitable (doomed) transactions. If your caller starts a transaction and the calee hits, say, a deadlock (which aborted the transaction), how is the callee going to communicate to the caller that the transaction was aborted and it should not continue with 'business as usua...
Is it possible to ping a server from Javascript?
...hat.good();};
this.img.onerror = function() {_that.good();};
this.start = new Date().getTime();
this.img.src = "http://" + ip;
this.timer = setTimeout(function() { _that.bad();}, 1500);
}
}
This works on all types of servers that I've tested (web servers, ftp servers, and game ...
Android: How to enable/disable option menu item on button click?
...initialize it on 1 since I need all elements to be hidden when my activity starts loading.
Then in my onCreateOptionsMenu() I check for this variable , if it's 1 I disable all my items, if not, I just show them all
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInf...
How does one reorder columns in a data frame?
...
to put the columns in idcols at the start: idcols <- c("name", "id2", "start", "duration"); cols <- c(idcols, names(cts)[-which(names(cts) %in% idcols)]); df <- df[cols]
– kasterma
Jun 10 '14 at 12:49
...
Wait 5 seconds before executing next line
...n thread for a period of time, this will do it.
function wait(ms){
var start = new Date().getTime();
var end = start;
while(end < start + ms) {
end = new Date().getTime();
}
}
With execution in the form:
console.log('before');
wait(7000); //7 seconds in milliseconds
console.l...
How do I “git blame” a deleted line?
...
I think what you really want is
git blame --reverse START..END filename
From the manpage:
Walk history forward instead of backward. Instead of showing the revision in which a line appeared, this shows the last revision in which a line has existed. This requires a range o...
64-bit version of Boost for 64-bit windows
...bin\amd64\cl.exe. Otherwise it builds 32 bit version. To do this you can start Microsoft SDK Command prompt and use "setenv /Release /x64" which redefines all the paths.
– Budric
Dec 13 '11 at 16:59
...
How to calculate the difference between two dates using PHP?
...nterval.c?revision=298973&view=markup
*/
function _date_range_limit($start, $end, $adj, $a, $b, $result)
{
if ($result[$a] < $start) {
$result[$b] -= intval(($start - $result[$a] - 1) / $adj) + 1;
$result[$a] += $adj * intval(($start - $result[$a] - 1) / $adj + 1);
}...