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How to fix 'android.os.NetworkOnMainThreadException'?
I got an error while running my Android project for RssReader.
59 Answers
59
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Android; Check if file exists without creating a new one
...unk of code does not create a new one, it only checks if its already there and nothing else.
File file = new File(filePath);
if(file.exists())
//Do something
else
// Do something else.
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Limit the length of a string with AngularJS
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if (lastspace !== -1) {
//Also remove . and , so its gives a cleaner result.
if (value.charAt(lastspace-1) === '.' || value.charAt(lastspace-1) === ',') {
lastspace = lastspace - 1;
}
value =...
Confused about stdin, stdout and stderr?
I am rather confused with the purpose of these three files. If my understanding is correct, stdin is the file in which a program writes into its requests to run a task in the process, stdout is the file into which the kernel writes its output and the process requesting it accesses the informatio...
C# vs Java Enum (for those new to C#)
I've been programming in Java for a while and just got thrown onto a project that's written entirely in C#. I'm trying to come up to speed in C#, and noticed enums used in several places in my new project, but at first glance, C#'s enums seem to be more simplistic than the Java 1.5+ implementation....
Is there a cross-domain iframe height auto-resizer that works?
...ibrary for keeping iFrames sized to their content. It uses the PostMessage and MutationObserver APIs, with fall backs for IE8-10. It also has options for the content page to request the containing iFrame is a certain size and can also close the iFrame when your done with it.
https://github.com/david...
Is it possible only to declare a variable without assigning any value in Python?
...es. If you init something to None, make sure that's what you really want, and assign something more meaningful if you can.
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Can you write virtual functions / methods in Java?
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@QuaziIrfan That is difference between Java and C# though.
– Sreekanth Karumanaghat
Dec 24 '19 at 6:09
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Disable Drag and Drop on HTML elements?
...ich is supposed to trigger a resize operation) the web browser gets clever and thinks I mean to drag and drop something. End result, my action gets put on hold while the browser does its drag and drop thing.
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Merge and interleave two arrays in Ruby
...ept that the two rows don't conform, leaving #zip as the obvious solution. And I don't believe he meant that he really cared whether a was mutated ... I don't think he was commenting on a mutated vs functional solution at all, he was just trying to describe the pattern.
– Digit...