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Easiest way to detect Internet connection on iOS?
...hers, however, I don't feel the simple case is well explained here. Coming from an Android and BlackBerry background, making requests through HTTPUrlConnection instantly fail if there is no connection available. This seems like completely sane behavior, and I was surprised to find NSURLConnection...
Return multiple values to a method caller
... count) GetMultipleValues() { return (1, 2); } This example was taken from our Documentation topic example on this.
– Jeppe Stig Nielsen
Jan 5 '17 at 11:26
1
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Strings are objects in Java, so why don't we use 'new' to create them?
...? This doesn't seem true to me, but perhaps you meant something different from what this seems to mean.
– Dawood ibn Kareem
Nov 30 '14 at 10:10
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What is a “callable”?
...
From Python's sources object.c:
/* Test whether an object can be called */
int
PyCallable_Check(PyObject *x)
{
if (x == NULL)
return 0;
if (PyInstance_Check(x)) {
PyObject *call = PyObject_GetAttrStr...
How can I produce an effect similar to the iOS 7 blur view?
I'm trying to replicate this blurred background from Apple's publicly released iOS 7 example screen:
12 Answers
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How to get the difference between two arrays of objects in JavaScript
...eturn a.value ===... in your answer? (Nice solution, by the way, +1) Aside from using Array.prototype.some(), I can't really find a more efficient / shorter way of doing this.
– Cerbrus
Feb 24 '14 at 14:08
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node.js execute system command synchronously
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How can I disconnect from this subprocess?
– JulianSoto
Sep 26 '18 at 4:09
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Using Razor within JavaScript
...in a static .js file, and then it should get the data that it needs either from an Ajax call or by scanning data- attributes from the HTML. Besides making it possible to cache your JavaScript code, this also avoids issues with encoding, since Razor is designed to encode for HTML, but not JavaScript....
Convert RGBA PNG to RGB with PIL
... I found while building RGBA -> JPG + BG support for sorl thumbnails.
from PIL import Image
png = Image.open(object.logo.path)
png.load() # required for png.split()
background = Image.new("RGB", png.size, (255, 255, 255))
background.paste(png, mask=png.split()[3]) # 3 is the alpha channel
ba...
Get the IP address of the remote host
...ch contains ServerVariables property which can provide us the IP address from REMOTE_ADDR property value.
5 Answers
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