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socket.shutdown vs socket.close
...t is no longer required,
the calling program can discard the
socket by applying a close subroutine
to the socket descriptor. If a
reliable delivery socket has data
associated with it when a close takes
place, the system continues to attempt
data transfer. However, if the data is
stil...
What's the best way to build a string of delimited items in Java?
While working in a Java app, I recently needed to assemble a comma-delimited list of values to pass to another web service without knowing how many elements there would be in advance. The best I could come up with off the top of my head was something like this:
...
JavaScript string newline character?
...return. CR should never be used on its own, although most Windows apis and apps will parse it as a newline. LF works just as well in Windows too. CR is just an artifact from the time when computers were merely electronic typewriters.
– GolezTrol
Jul 18 '11 at 1...
What can be the reasons of connection refused errors?
... ip/port to test connectivity. This removes any potential issues from your application.
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Iterate over each line in a string in PHP
...
If you check the memory usage while the app is running, then you'll see the magic. It actually pulls the file you're reading into memory in the event you loop through each of the lines, and it keeps your token location. You'll want to flush that to be truly memory ...
How to get the nvidia driver version from the command line?
...s information on Nvidia site on how to do so:
https://nvidia.custhelp.com/app/answers/detail/a_id/3751/~/useful-nvidia-smi-queries
Also, I found this thread researching powershell. Here is an example command that runs the utility to get the true memory available on the GPU to get you started.
# g...
How to include JavaScript file or library in Chrome console?
...
appendChild() is a more native way:
var script = document.createElement('script');
script.type = 'text/javascript';
script.src = 'script.js';
document.head.appendChild(script);
...
How to post JSON to a server using C#?
...pWebRequest)WebRequest.Create("http://url");
httpWebRequest.ContentType = "application/json";
httpWebRequest.Method = "POST";
using (var streamWriter = new StreamWriter(httpWebRequest.GetRequestStream()))
{
string json = "{\"user\":\"test\"," +
"\"password\":\"bla\"}";
st...
Run R script from command line
...ou really want to use the ./a.R way of calling the script you could add an appropriate #! to the top of the script
#!/usr/bin/env Rscript
sayHello <- function(){
print('hello')
}
sayHello()
I will also note that if you're running on a *unix system there is the useful littler package which ...
Mac OS X Terminal: Map option+delete to “backward delete word”
...On macOS High Sierra 10.13.6, captured on October 23, 2018.
Notes
Many applications (including bash and tcsh) treat Meta-Delete as "backward delete word."
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