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Push existing project into Github
...it add ., you should change that to cat "# reponamehere" >README.md and then git add README.md. That's how the GitHub documentation says to do it
– MD XF
Oct 30 '16 at 0:54
...
Do you (really) write exception safe code? [closed]
...exception-safe code is very hard". I will answer your questions first, and then, answer the hidden question behind them.
Answering questions
Do you really write exception safe code?
Of course, I do.
This is the reason Java lost a lot of its appeal to me as a C++ programmer (lack of RAII semantics)...
Should I hash the password before sending it to the server side?
...t is not. It certainly helps greatly however, and should be used in any authenticated session.
There is really no need to know what an original password is. All that is required is a reliable way to generate (and reliably re-generate) an authentication "key" based on the original text chosen by t...
Apache and Node.js on the Same Server
...ules/mod_proxy.so
LoadModule proxy_http_module modules/mod_proxy_http.so
Then run your Node app on port 8000!
var http = require('http');
http.createServer(function (req, res) {
res.writeHead(200, {'Content-Type': 'text/plain'});
res.end('Hello Apache!\n');
}).listen(8000, '127.0.0.1');
The...
Vim indent xml file
...hing I happen to do a lot).
First, highlight the XML you want to format.
Then, in normal mode, type ! xmllint --format -
Your command-line at the bottom will look like this:
:'<,'>!xmllint --format -
Then hit enter.
Technical Explanation
The selected text is sent to the xmllint command,...
Node.js Best Practice Exception Handling
...k is err, if an error happens err is the error, if an error doesn't happen then err is null. Any other arguments follow the err argument:
var divide = function(x,y,next) {
// if error condition?
if ( y === 0 ) {
// "throw" the error safely by calling the completion callback
...
What does the comma operator , do?
...expression:
(expression1, expression2)
First expression1 is evaluated, then expression2 is evaluated, and the value of expression2 is returned for the whole expression.
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What's the difference between IQueryable and IEnumerable
...fe, if you are using a ORM like LINQ-to-SQL
If you create an IQueryable, then the query may be converted to sql and run on the database server
If you create an IEnumerable, then all rows will be pulled into memory as objects before running the query.
In both cases if you don't call a ToList() or...
How to create “No Activate” form in Firemonkey
...r('FM' + form.ClassName), PWideChar(form.Caption));
if hWin <> 0 then
SetWindowLong(hWin, GWL_EXSTYLE,
GetWindowLong(hWin, GWL_EXSTYLE) or WS_EX_NOACTIVATE);
end;
{$ENDIF}
destructor TNoActivateForm.Destroy;
{$IFDEF POSIX}
begin
panel.release;
end;
{$ELSE}
begin
en...
HTTP headers in Websockets client API
...col header (which is sometimes extended to be used in websocket specific authentication) is generated from the optional second argument to the WebSocket constructor:
var ws = new WebSocket("ws://example.com/path", "protocol");
var ws = new WebSocket("ws://example.com/path", ["protocol1", "protocol2...