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twig: IF with multiple conditions

... If I recall correctly Twig doesn't support || and && operators, but requires or and and to be used respectively. I'd also use parentheses to denote the two statements more clearly although this isn't technically a requirement. {%if ( fields | length > 0 ) or ...
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How to re-sign the ipa file?

...like to sign the IPA with an ad-hoc provisioning profile for beta testing, and then re-sign the exact IPA with an app submission provisioning profile for the app store. ...
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iOS Safari – How to disable overscroll but allow scrollable divs to scroll normally?

I'm working on an iPad-based web app, and need to prevent overscrolling so that it seems less like a web page. I'm currently using this to freeze the viewport and disable overscroll: ...
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data type not understood

... postfix: "", imageUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9....
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Set theme for a Fragment

...gment.onCreateView you get LayoutInflater parameter, which inflates views, and it holds Context used for theme, actually this is the Activity. So your inflated views use Activity's theme. To override theme, you may call LayoutInflater.cloneInContext, which mentions in Docs that it may be used for c...
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Why is Attributes.IsDefined() missing overloads?

....Attribute.IsDefined(MemberInfo element, Type attributeType, bool inherit) and System.Type derives from System.Reflection.MemberInfo. An assembly, which is the top-level container of any .NET assembly has one or more modules. Each module then contains types and types can have members such as proper...
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PHP Sort Array By SubArray Value

... Well he just gave you the function to use. And you're going to have to accept that there's not always a built-in function to do what you want, you have to write it yourself. Comparison functions just require a return of 1, 0, or -1 indicating the sort order for two el...
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How to fallback to local stylesheet (not script) if CDN fails

I am linking to the jQuery Mobile stylesheet on a CDN and would like to fall back to my local version of the stylesheet if the CDN fails. For scripts the solution is well known: ...
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Change an HTML5 input's placeholder color with CSS

...here are three different implementations: pseudo-elements, pseudo-classes, and nothing. WebKit, Blink (Safari, Google Chrome, Opera 15+) and Microsoft Edge are using a pseudo-element: ::-webkit-input-placeholder. [Ref] Mozilla Firefox 4 to 18 is using a pseudo-class: :-moz-placeholder (one colon)....
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Django - Difference between import django.conf.settings and import settings

...ings file. django.conf.settings abstracts the concepts of default settings and site-specific settings; it presents a single interface. It also decouples the code that uses settings from the location of your settings. UPDATE: if you want to define some own settings, see this part of the documentati...