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What are some better ways to avoid the do-while(0); hack in C++?
...defintions, you'll have to move that function (the one you're gonna return from) somewhere else, which reduces readability. It might end up with dozens of parameters, then, because having dozens of parameters is a bad thing, you'll decide to wrap them into struct, which will create new data type. To...
How do I read all classes from a Java package in the classpath?
... in a Java package. Those classes are in classpath. I need to do this task from a Java program directly. Do you know a simple way to do?
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matplotlib Legend Markers Only Once
...goal I simply use somthing like that at the beginning of my python files.
from pylab import *
rcParams['legend.numpoints'] = 1
This will apply to all plots generated from my python file.
EDIT: For those who do not like to import pylab, the long answer is
import matplotlib as mpl
mpl.rcParams['l...
Splitting on last delimiter in Python string?
...;> s.rpartition(',')
('a,b,c', ',', 'd')
Both methods start splitting from the right-hand-side of the string; by giving str.rsplit() a maximum as the second argument, you get to split just the right-hand-most occurrences.
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Collisions when generating UUIDs in JavaScript?
This relates to this question . I am using the code below from this answer to generate UUID in JavaScript:
6 Answers
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JavaScript: empty array, [ ] evaluates to true in conditional structures. Why is this?
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From http://www.sitepoint.com/javascript-truthy-falsy/
The following values are always falsy:
false
0 (zero)
"" (empty string)
null
undefined
NaN (a special Number value meaning Not-a-Number!)
All other values are truthy...
How do you do relative time in Rails?
...e looking for the time_ago_in_words method (or distance_of_time_in_words), from ActiveSupport. Call it like this:
<%= time_ago_in_words(timestamp) %>
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Maintaining the final state at end of a CSS3 animation
...ion class is applied onClick, and, using keyframes, it changes the opacity from 0 to 1 (among other things).
4 Answers
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How to Sync iPhone Core Data with web server, and then push to other devices? [closed]
...y Chris. For an in-depth, theoretical discussion of syncing, see the paper from Russ Cox (MIT) and William Josephson (Princeton):
File Synchronization with Vector Time Pairs
which applies equally well to core data with some obvious modifications. This provides an overall much more robust and relia...
How can I recover a lost commit in Git?
...y dropped a commit I should have kept when rebasing. This totally saved me from redo-ing a couple hours worth of work.
– josephting
Jan 10 '19 at 6:30
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