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Using GCC to produce readable assembly?
...r highlighting of corresponding source / asm lines. How to remove "noise" from GCC/clang assembly output?
– Peter Cordes
May 9 at 19:16
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In PHP, what is a closure and why does it use the “use” identifier?
...e's value changes.
Variables defined inside the closure are not accessible from outside the closure either.
Closures and functions have the same speed. Yes, you can use them all over your scripts.
As @Mytskine pointed out probably the best in-depth explanation is the RFC for closures. (Upvote him ...
how to break the _.each function in underscore.js
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You can't break from the each method—it emulates the native forEach method's behavior, and the native forEach doesn't provide to escape the loop (other than throwing an exception).
However, all hope is not lost! You can use the Array.ever...
What is the difference between Θ(n) and O(n)?
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@Andy897 It follows from the definition of "proportional". From Wikipedia: "In mathematics, two variables are proportional if a change in one is always accompanied by a change in the other, and if the changes are always related by use of a const...
How to get the browser to navigate to URL in JavaScript [duplicate]
...ing window.location = '...' is a synonym of window.location.href = '...' - from Window.location API.
– Oliver
Mar 30 '16 at 9:09
3
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Print second last column/field in awk
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You weren't far from the result! This does it:
awk '{NF--; print $NF}' file
This decrements the number of fields in one, so that $NF contains the former penultimate.
Test
Let's generate some numbers and print them on groups of 5:
$ seq...
Why is i++ not atomic?
...d be inappropriate to use the atomic i++. What's worse, programmers coming from C or other C-like languages to Java would use i++ anyway, resulting in unnecessary use of atomic instructions.
Even at the machine instruction set level, an increment type operation is usually not atomic for performance...
HTTP Basic Authentication credentials passed in URL and encryption
...or application will initiate a SSL connection with the IP address received from the DNS request. Certificates will be exchanged and this happens at the transport level. No application level information will be transferred at this point. Remember that the Basic authentication is part of HTTP and HTTP...
Is there a difference between “raise exception()” and “raise exception” without parenthesis?
.... This first form auto instantiates your exception.
The relevant section from the docs says, "raise evaluates the first expression as the exception object. It must be either a subclass or an instance of BaseException. If it is a class, the exception instance will be obtained when needed by instant...
Print string to text file
... @nicorellius, if you wish to use that with Python2.x you need to put from __future__ import print_function at the top of the file. Note that this will transform all of the print statements in the file to the newer function calls.
– John La Rooy
Apr 6 '16 ...