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Java8: Why is it forbidden to define a default method for a method from java.lang.Object
...ult methods are a nice new tool in our Java toolbox. However, I tried to write an interface that defines a default version of the toString method. Java tells me that this is forbidden, since methods declared in java.lang.Object may not be default ed. Why is this the case?
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Tool to convert Python code to be PEP8 compliant
...know there are tools which validate whether your Python code is compliant with PEP8, for example there is both an online service and a python module .
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How exactly does the callstack work?
...operations of programming languages work and especially how they interact with the OS/CPU. I've probably read every answer in every stack/heap related thread here on Stack Overflow, and they are all brilliant. But there is still one thing that I didn't fully understand yet.
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How do I trigger the success callback on a model.save()?
...I thought that backbone always sent the whole model back during save (that it's not possible to send partial model updates). So what is the purpose of the attribute name-values? (2) What if you just want to save the model after performing some .set()s - why the attribute list? (3) In the docs, the ...
How to save a PNG image server-side, from a base64 data string
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You need to extract the base64 image data from that string, decode it and then you can save it to disk, you don't need GD since it already is a png.
$data = 'data:image/png;base64,AAAFBfj42Pj4';
list($type, $data) = explode(';', $data);
list(, $data) = explode(',', $data);
$data = base...
Streaming video from Android camera to server
...e video is packed in FLV format, and can be played via Flash video player with a build in web server :)
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Update data in ListFragment as part of ViewPager
I'm using the v4 compatibility ViewPager in Android. My FragmentActivity has a bunch of data which is to be displayed in different ways on different pages in my ViewPager. So far I just have 3 instances of the same ListFragment, but in the future I will have 3 instances of different ListFragments....
Download large file in python with requests
Requests is a really nice library. I'd like to use it for download big files (>1GB).
The problem is it's not possible to keep whole file in memory I need to read it in chunks. And this is a problem with the following code
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How to avoid 'cannot read property of undefined' errors?
In my code, I deal with an array that has some entries with many objects nested inside one another, where as some do not. It looks something like the following:
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Retrieving the output of subprocess.call() [duplicate]
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edited May 6 '14 at 12:33
jfs
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