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How to select from subquery using Laravel Query Builder?
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@Kannan nope. it's a candidate for a PR I guess, but in the end that's not very common use case. Probably this is the reason for not having it there up to this day..
– Jarek Tkaczyk
Feb 28 '16 at 12:28
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Loop inside React JSX
...ows; i++) {
// note: we add a key prop here to allow react to uniquely identify each
// element in this array. see: https://reactjs.org/docs/lists-and-keys.html
rows.push(<ObjectRow key={i} />);
}
return <tbody>{rows}</tbody>;
Incidentally, my JavaScript example is al...
How to change a span to look like a pre with CSS?
... and put them into your own class.
pre {
display: block;
unicode-bidi: embed;
font-family: monospace;
white-space: pre;
}
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Convert UTF-8 encoded NSData to NSString
...ta is null-terminated, you should instead use -stringWithUTF8String: to avoid the extra \0 at the end.
NSString* newStr = [NSString stringWithUTF8String:[theData bytes]];
(Note that if the input is not properly UTF-8-encoded, you will get nil.)
Swift variant:
let newStr = String(data: data, encodi...
Laravel Schema onDelete set null
...re you set the foreign key field as nullable:
$table->integer('foreign_id')->unsigned()->nullable();
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Define css class in django Forms
...and so is better for designers and one-off presentational changes: django-widget-tweaks. Hope somebody will find it useful.
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Select second last element with css
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#container :nth-last-child(-n+2) {
background-color: cyan;
}
<div id="container">
<div>a</div>
<div>b</div>
<div>SELECT THIS</div>
<div>SELECT THIS</div>
</div>
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How to disable back swipe gesture in UINavigationController on iOS 7
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You can enable / disable recognizer on viewDidAppear: / viewDidDisappear. Or, you can implement UIGestureRecognizerDelegate protocol with your more complex logic and set it as recognizer.delegate property.
– ArtFeel
Nov 25 '13 ...
center aligning a fixed position div
...d in some old browsers. And we don't even need to set a fixed or relative width.
.centered {
position: fixed;
left: 50%;
transform: translate(-50%, 0);
}
Working jsfiddle comparison here.
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Fixed page header overlaps in-page anchors
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@Tomalak Be aware that this solution makes links inside the padding area non-clickable. To fix this you must use z-index, and set the links value higher than the anchor's. Remember you topbar should have the highest z-index value, so the page's content don't float ontop of the...