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psql: FATAL: database “” does not exist
...e to check that the OP could log in at all. Since it is created at initdb time, it always exists, and was an easy check. From that point forward, your procedure is generally "real life".
– Kirk Roybal
Jul 27 '15 at 22:47
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How do I debug error ECONNRESET in Node.js?
...ocket.io for a chat webapp
and I get the following error randomly around 5 times during 24h.
The node process is wrapped in forever and it restarts itself immediately.
...
How to delete all datastore in Google App Engine?
...ine-generated/local_db.bin". The file will be generated for you again next time you run the development server and you'll have a clear db.
Make sure to clean your project afterwards.
This is one of the little gotchas that come in handy when you start playing with the Google Application Engine. You...
How to create an empty file at the command line in Windows?
... @barlop: For reference, this was the accepted answer at the time that comment has been written. I don't get a notification each time an answer changes I reference in a comment.
– Joey
Jul 22 '17 at 19:58
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How does a Breadth-First Search work when looking for Shortest Path?
...of the edges in a graph are unweighted (or the same weight) then the first time a node is visited is the shortest path to that node from the source node"
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Can Selenium interact with an existing browser session?
... It works for me except a duplicate dummy browser is raising each time.
– Pavel Vlasov
Jan 10 '18 at 18:56
I ...
Nginx 403 error: directory index of [folder] is forbidden
...lad to hear I am helpful. (Help others, in your known domain, in your free time, if possible, without expecting anything back)
– Manohar Reddy Poreddy
Sep 15 '15 at 7:39
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Can you explain the HttpURLConnection connection process?
...RLConnection with the URL object - A new
// connection is opened every time by calling the openConnection
// method of the protocol handler for this URL.
// 1. This is the point where the connection is opened.
HttpURLConnection connection = (HttpURLConnection) url
.openCo...
What is Rack middleware?
...r
def initialize(app)
@app = app
end
def call(env)
@start = Time.now
@status, @headers, @body = @app.call(env)
@duration = ((Time.now - @start).to_f * 1000).round(2)
puts "#{env['REQUEST_METHOD']} #{env['REQUEST_PATH']} - Took: #{@duration} ms"
[@status, @headers, @bo...
How to detect incoming calls, in an Android device?
...State = TelephonyManager.CALL_STATE_IDLE;
private static Date callStartTime;
private static boolean isIncoming;
private static String savedNumber; //because the passed incoming is only valid in ringing
@Override
public void onReceive(Context context, Intent intent) {
...