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Virtual Serial Port for Linux
...y ("pseudo-teletype", where a serial port is a "real teletype") for this. From one end, open /dev/ptyp5, and then attach your program to /dev/ttyp5; ttyp5 will act just like a serial port, but will send/receive everything it does via /dev/ptyp5.
If you really need it to talk to a file called /dev/...
How do you remove the title text from the Android ActionBar?
...
When should I cal the methods? I mean from which method (activity, fragment) should it be called?
– ka3ak
Oct 13 '18 at 10:53
...
Handle Guzzle exception and get HTTP body
I would like to handle errors from Guzzle when the server returns 4xx and 5xx status codes. I make a request like this:
5 A...
java.net.UnknownHostException: Invalid hostname for server: local
... "localhost" instead, or perhaps 127.0.0.1 or ::1 (the last one is IPv6).
From the javadocs:
Thrown to indicate that the IP address
of a host could not be determined.
127.0.0.1or ::1 or "localhost" should always be the loopback interface, so if that doesn't work I'd be really surprised.
If...
#ifdef in C#
...ibute!
Update: 3.5 years later
You can use #if like this (example copied from MSDN):
// preprocessor_if.cs
#define DEBUG
#define VC_V7
using System;
public class MyClass
{
static void Main()
{
#if (DEBUG && !VC_V7)
Console.WriteLine("DEBUG is defined");
#elif (!DEBUG &am...
Lambda capture as const reference?
...
I just tracked a bug back to a variable being modified from the capture that was mutable, but should have been const. Or more correctly, if the capture variable was const, the compiler would have enforced the correct behavior on the programmer. It'd be nice if the syntax supporte...
Batch files: How to read a file?
How you can read a file (text or binary) from a batch file? There is a way to read it in a binary mode or text mode?
7 Answ...
Where does the @Transactional annotation belong?
...ree with that. Sometimes it does not matter, but sometimes you can benefit from that e.g. Hibernate session is spanned for the while transaction, so all loaded objects are in 1st-level cache and you don't need to reattach the objects to session again, plus lazily loaded properties function without f...
Exposing a port on a live Docker container
...not do this via Docker, but you can access the container's un-exposed port from the host machine.
If you have a container with something running on its port 8000, you can run
wget http://container_ip:8000
To get the container's IP address, run the 2 commands:
docker ps
docker inspect container_name...
Have Grunt generate index.html for different setups
...automate environment configuration for future tasks.
Below are snippets from my Gruntfile.js.
ENV setup:
env : {
options : {
/* Shared Options Hash */
//globalOption : 'foo'
},
dev: {
NODE_ENV : 'DEVELOPMENT'
},
prod : {
NODE_ENV : 'PR...