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Presenting a UIAlertController properly on an iPad using iOS 8
...ference to the UIAlertController's UIPopoverPresentationController and set one of the properties as follows:
alertController.popoverPresentationController.barButtonItem = button;
sample code:
UIAlertAction *actionDelete = nil;
UIAlertAction *actionCancel = nil;
// create action sheet
UIAlertCon...
How to update SQLAlchemy row entry?
...ng the addition in Python using the in-place addition. If there is a race, one of the transactions will then succeed and the others will fail and must retry (with the new state of the DB). But I might've misunderstood SERIALIZABLE.
– Ilja Everilä
Sep 28 '18 at...
Delete all local changesets and revert to tree
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When the simplest way (a new hg clone) isn't practical, I use hg strip:
% hg outgoing -l 1
% hg strip $rev # replace $rev with the revision number from outgoing
Repeat until hg outgoing stays quiet. Note that hg strip $rev obliterates $rev and all its desc...
How to set NODE_ENV to production/development in OS X
...imilarly to how makefile works. Using it as this example or as you've mentioned to run gulp is a perfectly reasonable use case. For simple tasks I now don't even use gulp and do it all inside the script, it's much faster to get stuff working and I let webpack do the work which used to be done by gul...
PHP best way to MD5 multi-dimensional array?
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(Copy-n-paste-able function at the bottom)
As mentioned prior, the following will work.
md5(serialize($array));
However, it's worth noting that (ironically) json_encode performs noticeably faster:
md5(json_encode($array));
In fact, the speed increase is two-fold here as...
Make div stay at bottom of page's content all the time even when there are scrollbars
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@MyHeadHurts - Fair enough, though for my money they're both still basically the same. Content scrolls underneath the fixed footer, when there is enough content to do so. That's good enough for me. Of course, I can see how very large footers like what they have on ...
Git stash uncached: how to put away all unstaged changes?
Suppose two set of changes are made in a project versioned by git. One set is staged and the other is not.
4 Answers
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How to print number with commas as thousands separators?
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Great thanks. For money amounts, with 2 decimal places - "{:,.2f}".format(value)
– dlink
Mar 21 '16 at 18:44
3
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YouTube Video Embedded via iframe Ignoring z-index?
...y) the menu, I've got a YouTube video embedded via iframe. If I hover over one of the main level nav items in Firefox, the dropdown menu properly appears on top of the video.
...
@RequestParam vs @PathVariable
...d=false) String param2){
.......
}
The @PathVariable annotation has only one attribute value for binding the request URI template. It is allowed to use the multiple @PathVariable annotation in the single method. But, ensure that no more than one method has the same pattern.
Also there is one more...