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How to find the last field using 'cut'
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This is universal and it works exactly as expected every time. In this scenario, using cut to achieve the OP's final output is like using a spoon to "cut" steak (pun intended :) ) . awk is the steak knife.
– Hickory420
Oct 11 '18 at 1:04
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What does enctype='multipart/form-data' mean?
...u. Don't bother trying to parse the raw input received by the server.
Sometimes you will find a library that can't handle both formats. Node.js's most popular library for handling form data is body-parser which cannot handle multipart requests (but has documentation which recommends some alternati...
Virtual/pure virtual explained
...amic dispatch is facilitated. This concept is an important part of the (runtime) polymorphism portion of object-oriented programming (OOP). In short, a virtual function defines a target function to be executed, but the target might not be known at compile time.
Unlike a non-virtual function, when ...
Sending a message to nil in Objective-C
... the loop will not run. However, if we set the loop to run a set number of times, then we're first sending a message to anArray at [anArray objectAtIndex:i]; This will also return 0, but since objectAtIndex: returns a pointer, and a pointer to 0 is nil/NULL, NSLog will be passed nil each time throug...
Invalidating JSON Web Tokens
... you would only need to store tokens that were between logout & expiry time (this is a gut feeling, and is definitely dependent on context).
3) Just keep token expiry times short and rotate them often
If you keep the token expiry times at short enough intervals, and have the running client keep ...
Why is there huge performance hit in 2048x2048 versus 2047x2047 array multiplication?
...che-oblivious algorithms) focus on making better use of L1 cache.
If you time other pairs (2^n-1,2^n) I expect you'll see similar effects.
To explain more fully, in the inner loop, where you access matice2[m,k], it's likely that matice2[m,k] and matice2[m+1,k] are offset from each other by 2048...
What are the most-used vim commands/keypresses?
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I've been using vim for a long time, and its one of the first things I install on a machine. MacVim, on Mac OS is very nice. I tend to compile vim from source on most Linux boxes I use, simply because most distros are not current, or don't have the languag...
Correct way to try/except using Python requests module?
...id HTTP response, Requests will raise an HTTPError exception.
If a request times out, a Timeout exception is raised.
If a request exceeds the configured number of maximum redirections, a TooManyRedirects exception is raised.
All exceptions that Requests explicitly raises inherit from requests.except...
What's the best way to make a d3.js visualisation layout responsive?
...ain the draw function to
the window resize function. Introduce a debounce (timeout) to this
chain to ensure we only redraw after a timeout.
I also added the minified d3.js script for speed.
The gist is here: https://gist.github.com/2414111
jquery reference back code:
$(reference).empty()
var wi...
HTML code for an apostrophe
...tail, but: "A note from the editors: This article, while brilliant for its time, is now obsolete.” The article was published Oct 2001.
– duozmo
Feb 13 '15 at 17:13
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