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Folder structure for a Node.js project
...xpress)
/public contains all static content (images, style-sheets, client-side JavaScript)
/assets/images contains image files
/assets/pdf contains static pdf files
/css contains style sheets (or compiled output by a css engine)
/js contains client side JavaScript
/controllers contain all your ex...
How to get exit code when using Python subprocess communicate method?
...the child was terminated by signal N (Unix only).
So you can just do (I didn't test it but it should work):
import subprocess as sp
child = sp.Popen(openRTSP + opts.split(), stdout=sp.PIPE)
streamdata = child.communicate()[0]
rc = child.returncode
(*) This happens because of the way it's impl...
What is this crazy C++11 syntax ==> struct : bar {} foo {};?
...e a bog-standard abstract UDT (User-Defined Type):
struct foo { virtual void f() = 0; }; // normal abstract type
foo obj;
// error: cannot declare variable 'obj' to be of abstract type 'foo'
Let's also recall that we can instantiate the UDT at the same time that we define it:
struct foo { foo() ...
Plot logarithmic axes with matplotlib in python
...
First of all, it's not very tidy to mix pylab and pyplot code. What's more, pyplot style is preferred over using pylab.
Here is a slightly cleaned up code, using only pyplot functions:
from matplotlib import pyplot
a = [ pow(10,i) for i in range(10) ]...
How to get the error message from the error code returned by GetLastError()?
...rorAsString()
{
//Get the error message, if any.
DWORD errorMessageID = ::GetLastError();
if(errorMessageID == 0)
return std::string(); //No error message has been recorded
LPSTR messageBuffer = nullptr;
size_t size = FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMA...
How to see if an object is an array without using reflection?
...
Thanks, it didn't realize it's that simple. Thought insstanceof couldn't be used straightforward with T[] :(
– edbras
Apr 28 '10 at 7:44
...
Reset the database (purge all), then seed a database
... and then recreates the database and includes your seeds.rb file.
http://guides.rubyonrails.org/migrations.html#resetting-the-database
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How to switch back to 'master' with git?
...red May 24 '19 at 7:16
Sachin SridharSachin Sridhar
33622 silver badges1212 bronze badges
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error: ‘NULL’ was not declared in this scope
...
NULL is not a keyword. It's an identifier defined in some standard headers. You can include
#include <cstddef>
To have it in scope, including some other basics, like std::size_t.
...
Case preserving substitute in Vim
...use, because that is required for the useful :set smartcase), vim will consider 'a' == 'A'!!
Crazy as it is, we really should account for it: Because it is user-settings-dependent, == should NEVAR be used! (Except where that would actually be what you want.) I will even follow the recommendati...