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Do I set properties to nil in dealloc when using ARC?
...have to use the setter for those in init.
Long answer: You should nil out custom-synthesized properties in dealloc, even under ARC. And you should use the setter for those in init.
The point is your custom-synthesized properties should be safe and symmetrical regarding nullification.
A possible s...
Retrieve a Fragment from a ViewPager
...illed or restarted then the internal SpaseArray will be wiped out when the custom FragmentPagerActivity is recreated, but behind the scenes the ViewPagers internal fragments will be recreated, and getItem will NOT be called for any of the indexes, so the ability to get a fragment from index will be ...
What is the best CSS Framework and are they worth the effort?
... fixed-width layouts at 750px, 950px, and 974px, and the ability to easily customize to any number.
Supports easy customization of the width for fixed-width layouts.
Template columns are source-order independent, so you can put your most important content first in the markup layer for improved acces...
Should IBOutlets be strong or weak under ARC?
...y. The only time you really need to make an outlet weak is if
you have a custom view that references something back up the view
hierarchy and in general that's not recommended.
I asked about this on Twitter to an engineer on the IB team and he confirmed that strong should be the default and th...
Autoincrement VersionCode with gradle extra properties
...
Using a custom task you can just do something like ./gradlew incrementVersionCode build. Tasks called sequentially in this way will stop as soon as any of the tasks fail.
– Dori
Jan 21 '16 at 14...
Data structure for loaded dice?
...
There are many ways to generate a random integer with a custom distribution (also known as a discrete distribution). The choice depends on many things, including the number of integers to choose from, the shape of the distribution, and whether the distribution will change over ti...
Should functions return null or an empty object?
...leting whatever function it is doing, (Say we're creating an invoice for a customer we've shipped product to...), then this situation should throw an ArgumentException (or some other custom exception).
If a missing user is ok, (one of the potential normal outcomes of calling this function) then ...
Servlet for serving static content
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There is no need for completely custom implementation of the default servlet in this case, you can use this simple servlet to wrap request to the container's implementation:
package com.example;
import java.io.*;
import javax.servlet.*;
import javax.ser...
Integrate ZXing in Android Studio
...use IntentIntegrator.forSupportFragment(this) instead.
There are several customizing options:
IntentIntegrator integrator = new IntentIntegrator(this);
integrator.setDesiredBarcodeFormats(IntentIntegrator.ONE_D_CODE_TYPES);
integrator.setPrompt("Scan a barcode");
integrator.setCameraId(0); // Us...
Django Cookies, how can I set them?
...framework solutions exist, it's often better to use them rather than using custom helper functions for the job, especially if there's no good reason not to do it. These solutions may not have been available at first but they sure are, so why not use them? It makes for a simpler code and might hand...