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Eloquent Collection: Counting and Detect Empty
...port\Collection is always returned, even when there are no results. Essentially what you're checking is $a = new stdClass; if ($a) { ... } which will always return true.
To determine if there are any results you can do any of the following:
if ($result->first()) { }
if (!$result->isEmpty())...
Placing/Overlapping(z-index) a view above another view in android
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As of API 21 / KitKat you can now use setZ and translationZ; the FrameLayout hack is no longer needed (finally!). This should be the preferred answer for modern 5.0+ development: stackoverflow.com/a/29703860/358578
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Store query result in a variable using in PL/pgSQL
...s, as @Pavel commented.
I shortened the syntax with a table alias additionally.
Update: I removed my code example and suggest to use IF EXISTS() instead like provided by @Pavel.
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What is the difference between a JavaBean and a POJO?
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Note that a JavaBean can be and usually is a POJO and many POJOs are actually JavaBeans.
– Joachim Sauer
Sep 8 '09 at 14:21
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Event listener for when element becomes visible?
... User Interaction, if your code is organised enough you should be able to call the initialising function in the same place where the visibility changes (i.e. you shouldn't change myElement.style.display on many places, instead, call a function/method that does this and anything else you might want)....
Android : Check whether the phone is dual SIM
...pt for contacting the manufacturer). Now my changed question is, can we at all detect that the phone has two SIMs? I believe it can be detected with some intelligence. Few ways I can think of are:
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Simple way to encode a string according to a password?
... to do much work to implement a proper encryption scheme however. First of all, don’t re-invent the cryptography wheel, use a trusted cryptography library to handle this for you. For Python 3, that trusted library is cryptography.
I also recommend that encryption and decryption applies to bytes; ...
Retrieve a Fragment from a ViewPager
...ble. Fragments that have not yet been instantiated, will return null when calling getRegisteredFragment. But I've been using this mostly to get the current Fragment out of the ViewPager: adapater.getRegisteredFragment(viewPager.getCurrentItem()) and this won't return null.
I'm not aware of any othe...
Can Retrofit with OKHttp use cache data when offline
...Just a word of advice: HttpResponseCache has been renamed to Cache.** Install it with OkHttpClient.setCache(...) instead of OkHttpClient.setResponseCache(...).
– Henrique de Sousa
May 28 '15 at 11:46
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Set CSS property in Javascript?
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This actually styles the element in the element and not in the stylesheet.
– Aft3rL1f3
Jan 17 at 14:23
add a ...