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How do you get the list of targets in a makefile?
...names of targets defined in a makefile. The -p option produces output that includes all targets, but buries them in a lot of other information.
Place the following rule in a makefile for GNU make to implement a target named list that simply lists all target names in alphabetical order - i.e.: invok...
Set cache-control for entire S3 bucket automatically (using bucket policies?)
... apply it to a specific file type, you need to exclude all the files, then include the ones you want.
Only jpgs and pngs:
aws s3 cp s3://mybucket/ s3://mybucket/ --exclude "*" --include "*.jpg" --include "*.png" \
--recursive --metadata-directive REPLACE --expires 2034-01-01T00:00:00Z --acl public-r...
Socket.io rooms difference between broadcast.to and sockets.in
...o the sender and noone else
socket.emit('hello', msg);
Send to everyone including the sender(if the sender is in the room) in the room "my room"
io.to('my room').emit('hello', msg);
Send to everyone except the sender(if the sender is in the room) in the room "my room"
socket.broadcast.to('my ...
SASS - use variables across multiple files
...e rest of my CSS afterwards:
.text { color: $accent; }
IMPORTANT
Do not include anything but variables, function declarations and other SASS features in your _master.scss file. If you include actual CSS, it will duplicate this CSS across every file you import the master into.
...
How to specify id when uses include in layout xml file
In my layout xml file, I have included other layout xml file (each
with a different android id).
11 Answers
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Git diff to show only lines that have been modified
... the following:
git diff -U0: choose 0 context lines
The first grep only includes all lines starting with + or -
The second grep excludes lines starting with --- a/ or +++ b/
Color
To show colored diff, try the following:
git diff -U0 --color | grep '^\e\[[^m]*m[-+]' | grep -Ev '(--- a/|\+\+\+...
Restore the state of std::cout after manipulating it
...
you need to #include <iostream> or #include <ios> then when required:
std::ios_base::fmtflags f( cout.flags() );
//Your code here...
cout.flags( f );
You can put these at the beginning and end of your function, or check o...
Match whitespace but not newlines
...this is equivalent to “whitespace but not carriage return or newline.” Including both \r and \n in the pattern correctly handles all of Unix (LF), classic Mac OS (CR), and DOS-ish (CR LF) newline conventions.
No need to take my word for it:
#! /usr/bin/env perl
use strict;
use warnings;
us...
Is there a typical state machine implementation pattern?
...
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Check if a class has a member function of a given signature
...n his answer).
The function this snippet tests for is called serialize:
#include <type_traits>
// Primary template with a static assertion
// for a meaningful error message
// if it ever gets instantiated.
// We could leave it undefined if we didn't care.
template<typename, typename T&g...