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What does the star operator mean, in a function call?
...are not operators. Operators are used in expressions to create new values from existing values (1+2 becomes 3, for example. The * and ** here are part of the syntax of function declarations and calls.
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How to get a resource id with a known resource name?
...in 0 - 1 ms! So it's not slow, it's super fast! I'm using it to get images from resources and it works perfectly. Tested on Nexus5x.
– Kirill Karmazin
Apr 25 '17 at 21:16
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How to share my Docker-Image without using the Docker-Hub?
...kerfile creates a layer. You can also create layers by using docker commit from the command line after making some changes (via docker run probably).
These layers are stored by default under /var/lib/docker. While you could (theoretically) cherry pick files from there and install it in a different ...
How does Django's Meta class work?
...wo things related at all? i.e., does Django's Meta inner class prevent you from using Python's builtin metaclass features?
– nnyby
Mar 3 '15 at 20:00
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How to make sure that string is valid JSON using JSON.NET
... if the string starts with { or [ and ends with } or ] respectively (added from this answer):
private static bool IsValidJson(string strInput)
{
if (string.IsNullOrWhiteSpace(strInput)) { return false;}
strInput = strInput.Trim();
if ((strInput.StartsWith("{") && strInput.EndsWit...
error: request for member '..' in '..' which is of non-class type
... have mandated "void" parameter so that this usage would have been allowed from consistency point of view. If I am not mistaken, K&R C had mandatory usage of term void.
– Rajesh
Jan 22 '18 at 5:08
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Centering a background image, using CSS
...m, or make a temporary example at www.jsfiddle.net and post a link for us. From what you've said, the image is 1600x1200 and most screen resolutions don't go that high, try resizing your image to fit. I use a widescreen monitor at 1440x900 for example.
– Kyle
A...
jQuery 1.9 .live() is not a function
I recently updated jQuery from 1.8 to 2.1. I suddenly discovered that the .live() stops working.
I get the error TypeError: $(...).live is not a function .
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How to position a DIV in a specific coordinates?
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Script its left and top properties as the number of pixels from the left edge and top edge respectively. It must have position: absolute;
var d = document.getElementById('yourDivId');
d.style.position = "absolute";
d.style.left = x_pos+'px';
d.style.top = y_pos+'px';
Or do it as ...
How to Correctly handle Weak Self in Swift Blocks with Arguments
...you had to go with [weak self] instead.
I really liked the whole section from the manual on using strong, weak, and unowned in closures:
https://developer.apple.com/library/content/documentation/Swift/Conceptual/Swift_Programming_Language/AutomaticReferenceCounting.html
Note: I used the term clo...