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What does “./bin/www” do in Express 4.x?
...have been removed so that they can be maintained and updated independently from the core Express (except the static middleware), thus they need to be called separately (what you see in app.js).
The bin/ directory serves as a location where you can define your various startup scripts. The www is an ...
PHP - Modify current object in foreach loop
...e call->wait cycle. Most importantly my code would read well to someone from any language with a degree of competence and we don't run into mutability problems.
<?php
$arr = [0,1,2,3,4];
$arr2 = array_map(function($value) { return is_int($value) ? $value*2 : $value; }, $arr);
var_dump($arr);...
Using reflect, how do you set the value of a struct field?
...e heading Package files.
The Go json package marshals and unmarshals JSON from and to Go structures.
Here's a step-by-step example which sets the value of a struct field while carefully avoiding errors.
The Go reflect package has a CanAddr function.
func (v Value) CanAddr() bool
CanAddr r...
Set default CRAN mirror permanent in R
...f the file is given by ?Startup:
The
path of this file is taken from the value of the R_PROFILE
environment variable (after tilde expansion). If this variable is
unset, the default is R_HOME/etc/Rprofile.site, which is used if
it exists (which it does not in a 'facto...
How to trigger the onclick event of a marker on a Google Maps V3?
How do I trigger the onclick event of a marker on a Google Maps from outside the map?
2 Answers
...
Adding a regression line on a ggplot
...iction curve for any model that supports predict, such as non-linear npreg from package np.
Note: If you use scale_x_continuous or scale_y_continuous some values may be cutoff and thus geom_smooth may not work correctly. Use coord_cartesian to zoom instead.
...
Why is early return slower than else?
... of 2, so 2**i is the size of the hash table, i is the number of bits used from the hash value j.
Each probe into the table can find one of these:
The slot is empty, in that case the probing stops and we know the
value is not in the table.
The slot is unused but was used in the past in which case...
Best content type to serve JSONP?
...
It fails in IE 9 with message "SEC7112: Script from xyz.com was blocked due to mime type mismatch " Any idea why ?
– Pit Digger
Sep 12 '11 at 20:05
...
How can I show the name of branches in `git log`?
... the answer below was helpful where the keyrings directory was not updated from master...
Basically adding --source was what I needed to show the branches/tags. Adding --name-only will also show which file was actually changed.
cd /path/to/repo-that-uses-blackbox-encryption
git log --graph --all -...
How to declare constant map
... that this is not possible. Explained what is possible and gave a citation from the docs why exactly is it not possible to do what he wants.
– Salvador Dali
Nov 13 '16 at 22:16
...