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in iPhone App How to detect the screen resolution of the device
...the entire screen's resolution in points, so it would most typically be 320x480 for iPhones. Even though the iPhone4 has a much larger screen size iOS still gives back 320x480 instead of 640x960. This is mostly because of older applications breaking.
CGFloat screenScale = [[UIScreen mainScreen] sca...
Sequence contains more than one element
...leOrDefault. This method will only succeed when the collections contains exactly 0 or 1 element. I believe you are looking for FirstOrDefault which will succeed no matter how many elements are in the collection.
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AttributeError: 'module' object has no attribute 'urlopen'
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This works in Python 2.x.
For Python 3 look in the docs:
import urllib.request
with urllib.request.urlopen("http://www.python.org") as url:
s = url.read()
# I'm guessing this would output the html source code ?
print(s)
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How can I make Visual Studio wrap lines at 80 characters?
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Tools >> Options >> Text Editor >> All Languages >> General >> Select Word Wrap.
I dont know if you can select a specific number of columns?
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Converting a column within pandas dataframe from int to string
I have a dataframe in pandas with mixed int and str data columns. I want to concatenate first the columns within the dataframe. To do that I have to convert an int column to str .
I've tried to do as follows:
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Passing arguments to an interactive program non-interactively
...ploys the read command to read arguments to commands interactively, for example yes/no options. Is there a way to call this script in a non-interactive script passing default option values as arguments?
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How to upload, display and save images using node.js and express [closed]
...mit" value="Submit">
</form>
Assuming the form is defined in index.html stored in a directory named public relative to where your script is located, you can serve it this way:
const http = require("http");
const path = require("path");
const fs = require("fs");
const express = require("ex...
How to iterate over array of objects in Handlebars?
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Then is it possible to call the index number of the outer loop {{#each people}} inside the inner loop {{#each this}} ? Like {{people@index}}
– RegarBoy
May 22 '17 at 7:47
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What are the Ruby Gotchas a newbie should be warned about? [closed]
...age. But I was quite surprised to see that it was not as simple as I had expected. More precisely, the "rule of least-surprise" did not seem very respected to me (of course this is quite subjective). For example:
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