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How to delete and replace last line in the terminal using bash?
...g code will prevent junk output:
before the line is written for the first time, do
tput sc
which saves the current cursor position. Now whenever you want to print your line, use
tput rc
tput ed
echo "your stuff here"
to first return to the saved cursor position, then clear the screen from cur...
Equivalent of String.format in jQuery
...ting (and then discarding) a RegEx object for each and every argument each time format gets called might overtax the garbage collector.
– mckoss
Mar 18 '11 at 5:54
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How to loop through array in jQuery?
... handy, if your loop body is complex the scoping of a function call is sometimes useful, no need for an i variable in your containing scope.
Disadvantages: If you're using this in the containing code and you want to use this within your forEach callback, you have to either A) Stick it in a variable...
Should I embed images as data/base64 in CSS or HTML
...the HTML page instead! And makes images uncacheable. They get loaded every time the containing page or style sheet get loaded.
Base64 encoding bloats image sizes by 33%.
If served in a gzipped resource, data: images are almost certainly going to be a terrible strain on the server's resources! Images...
How to validate an OAuth 2.0 access token for a resource server?
... RS could cache the introspection responses from the AS for some amount of time?
– Gary
Sep 1 '18 at 0:58
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show 1 more comment
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sprintf like functionality in Python
...involved, it might be wise to use a StringIO object to speed up processing time.
So instead of doing +=, do this:
import cStringIO
buf = cStringIO.StringIO()
...
print >> buf, "A = %d\n , B= %s\n" % (A, B)
...
print >> buf, "C=%d\n" % c
...
print >> f, buf.getvalue()
...
Polymorphism in C++
... return *this; }
double n_;
};
void f(Base& x) { x += 2; } // run-time polymorphic dispatch
Other related mechanisms
Compiler-provided polymorphism for builtin types, Standard conversions, and casting/coercion are discussed later for completeness as:
they're commonly intuitively under...
How do you detect where two line segments intersect? [closed]
...two lines from A to B and from C to D intersect? Then you can ask it four times (between the line and each of the four sides of the rectangle).
Here's the vector math for doing it. I'm assuming the line from A to B is the line in question and the line from C to D is one of the rectangle lines. M...
How to split a string, but also keep the delimiters?
...esting approach. I am not sure it can be help consistently (with that, sometimes there is a delimiter, sometimes there is not), but +1 for the effort. However, you still need to properly address the limit cases (empty or null values)
– VonC
Nov 9 '08 at 20:11
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Preferred order of writing latitude & longitude tuples in GIS services
...tude, longitude. This was presumably standardized by
the International Maritime Organization
as reported here. Google also uses this order in its Maps and Earth. I remember this order by thinking of alphabetic order of latitude, longitude.
...