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while (1) vs. while(True) — Why is there a difference (in python 2 bytecode)?
...hat the compiler would generate the same byte code for while(True): pass and while(1): pass , but this is actually not the case in python2.7.
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Request is not available in this context
I'm running IIS 7 Integrated mode and I'm getting
11 Answers
11
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Reuse Cucumber steps
...thing", "fill something". The natural way would be reuse steps, instead of convert each step into a call to a function. IMO, calling steps inside steps should just be improved.
– dgmora
Jun 27 '13 at 16:28
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Does a const reference class member prolong the life of a temporary?
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Only local const references prolong the lifespan.
The standard specifies such behavior in §8.5.3/5, [dcl.init.ref], the section on initializers of reference declarations. The reference in your example is bound to the constructor's argument n, and becomes invalid when the object n...
How do I combine a background-image and CSS3 gradient on the same element?
...ut images that aren't already semi-transparent can't be easily/dynamically converted to be used in this manner. That's why I find the approach of putting the gradient first more generally useful.
– waldyrious
Jan 14 '18 at 13:23
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What are the differences between Rust's `String` and `str`?
...an be seen as a fixed-length String that cannot be resized (you can always convert it into a String if you want to resize it).
A very similar relationship exists between [T] and Vec<T> except there is no UTF-8 constraint and it can hold any type whose size is not dynamic.
The use of str on t...
Create RegExps on the fly using string variables
...e commonly you want to replace all occurrences, in which case, you have to convert the string into a global (/.../g) RegExp. You can do this from a string using the new RegExp constructor:
new RegExp(string_to_replace, 'g')
The problem with this is that any regex-special characters in the string ...
How to iterate over arguments in a Bash script
I have a complex command that I'd like to make a shell/bash script of. I can write it in terms of $1 easily:
8 Answers
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Handle file download from ajax post
...ersion using jQuery.ajax. It might mangle binary data when the response is converted to a string of some charset.
$.ajax({
type: "POST",
url: url,
data: params,
success: function(response, status, xhr) {
// check for a filename
var filename = "";
var disposit...
Move assignment operator and `if (this != &rhs)`
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Wow, there is just so much to clean up here...
First, the Copy and Swap is not always the correct way to implement Copy Assignment. Almost certainly in the case of dumb_array, this is a sub-optimal solution.
The use of Copy and Swap is for dumb_array is a classic example of putting the...