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How do I download a file over HTTP using Python?
...ll utility that I use to download an MP3 file from a website on a schedule and then builds/updates a podcast XML file which I've added to iTunes.
...
No route matches [GET] /assets
...elopment machine. I was compiling the assets but application.css was empty and the server log gave error of the OP.
– veritas1
Dec 23 '13 at 12:37
2
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Is there a better way to do optional function parameters in JavaScript? [duplicate]
I've always handled optional parameters in JavaScript like this:
28 Answers
28
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Example using Hyperlink in WPF
...t;
In the code-behind you would need to add something similar to this to handle the RequestNavigate event:
private void Hyperlink_RequestNavigate(object sender, RequestNavigateEventArgs e)
{
// for .NET Core you need to add UseShellExecute = true
// see https://docs.microsoft.com/dotnet/api...
Printing the last column of a line in a file
...ed. tail -f means wait for more input, but there are no more lines in file and so the pipe to grep is never closed.
If you omit -f from tail the output is shown immediately:
tail file | grep A1 | awk '{print $NF}'
@EdMorton is right of course. Awk can search for A1 as well, which shortens the ...
Why does ('0' ? 'a' : 'b') behave different than ('0' == true ? 'a' : 'b') [duplicate]
...tion, section 11.9.3, The Abstract Equality Comparison Algorithm.
The operands are denoted as x and y (x == y).
In our case, x is a string ('0') and y is a Boolean (true). Hence step 7 is executed:
If Type(y) is Boolean, return the result of the comparison x == ToNumber(y).
When booleans ar...
How to test if a double is an integer
...s the same as the double.
Your variable could have an int or double value and Math.floor(variable) always has an int value, so if your variable is equal to Math.floor(variable) then it must have an int value.
This also doesn't work if the value of the variable is infinite or negative infinite henc...
Show loading image while $.ajax is performed
...
You can, of course, show it before making the request, and hide it after it completes:
$('#loading-image').show();
$.ajax({
url: uri,
cache: false,
success: function(html){
$('.info').append(html);
},
complete: function(){
$('#loadin...
How can I remove an element from a list?
I have a list and I want to remove a single element from it. How can I do this?
16 Answers
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What is tail recursion?
...cursion, the typical model is that you perform your recursive calls first, and then you take the return value of the recursive call and calculate the result. In this manner, you don't get the result of your calculation until you have returned from every recursive call.
In tail recursion, you perfor...