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Should I pass an std::function by const-reference?
...id> run_in_ui_thread( std::function<void()> const& ) // (B)
Now, we are likely to use these as follows:
run_in_ui_thread( [=]{
// code goes here
} ).wait();
which will create an anonymous closure (a lambda), construct a std::function out of it, pass it to the run_in_ui_thread fun...
Git: Create a branch from unstaged/uncommitted changes on master
... using perforce for the last few years so I cannot attest to it's accuracy now.
– Grant Limberg
Jul 12 '13 at 4:07
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How to sort a dataframe by multiple column(s)
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The ggplot2 microbenchmark function above is now available as taRifx::autoplot.microbenchmark.
– Ari B. Friedman
Jun 1 '12 at 1:23
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How I can I lazily read multiple JSON values from a file/stream in Python?
...out that other people use "JSON lines", I feel less bad about using it for now.
– UPVOTE IF YOU HATE TRUMP
Jul 30 '11 at 23:16
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Elastic search, multiple indexes vs one index and types for different data sets?
...e an application developed using the MVC pattern and I would like to index now multiple models of it, this means each model has a different data structure.
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How to make an introduction page with Doxygen
...es, types etc. - everything that I placed as Doxygen comments in the code. Now I want to write some general information about SDK (kind of introduction), which is not related directly to any code element. I want to place this introduction on the documentation start page. How can I do this?
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Setting different color for each series in scatter plot on matplotlib
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I don't know what you mean by 'manually'. You can choose a colourmap and make a colour array easily enough:
import numpy as np
import matplotlib.pyplot as plt
import matplotlib.cm as cm
x = np.arange(10)
ys = [i+x+(i*x)**2 for i in ...
What is a segmentation fault?
...nd introducing hard-to-debug memory bugs. Whenever you get a segfault you know you are doing something wrong with memory – accessing variable that has already been freed, writing to a read-only portion of the memory, etc. Segmentation fault is essentially the same in most languages that let you me...
What is the equivalent of the C# 'var' keyword in Java?
...es had names, even if they were extremely verbose and unweildy). I do not know if this has changed in the mean time.
var is not the same as dynamic. variables are still 100% statically typed. This will not compile:
var myString = "foo";
myString = 3;
var is also useful when the type is obvious fro...
Node.js Best Practice Exception Handling
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Update: Joyent now has their own guide. The following information is more of a summary:
Safely "throwing" errors
Ideally we'd like to avoid uncaught errors as much as possible, as such, instead of literally throwing the error, we can inst...