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mongo - couldn't connect to server 127.0.0.1:27017
...m coming from riak and redis where I never had an issue with this services starting, or to interact.
38 Answers
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Can't connect to localhost on SQL Server Express 2012 / 2016
...erify that the SQL Server service is running. You can do this by going to Start > Control Panel > Administrative Tools > Services, and checking that the service SQL Server (SQLEXPRESS) is running. If not, start it.
While you're in the services applet, also make sure that the service SQL Br...
Writing unit tests in Python: How do I start? [closed]
...st):
import unittest
class LearningCase(unittest.TestCase):
def test_starting_out(self):
self.assertEqual(1, 1)
def main():
unittest.main()
if __name__ == "__main__":
main()
Example 2 (pytest):
def test_starting_out():
assert 1 == 1
Assuming that both files are named...
Determine if Android app is being used for the first time
... // first time task
// record the fact that the app has been started at least once
settings.edit().putBoolean("my_first_time", false).commit();
}
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Android -Starting Service at Boot Time
I need to start a service at boot time. I searched a lot. They are talking about Broadcastreceiver. As I am new to android development, I didn't get a clear picture about services on Android. Please provide some source code.
...
JavaScript function similar to Python range()
... works in Python, I would create function similar to this:
function range(start, stop, step) {
if (typeof stop == 'undefined') {
// one param defined
stop = start;
start = 0;
}
if (typeof step == 'undefined') {
step = 1;
}
if ((step > 0 &...
Process.start: how to get the output?
...
When you create your Process object set StartInfo appropriately:
var proc = new Process
{
StartInfo = new ProcessStartInfo
{
FileName = "program.exe",
Arguments = "command line arguments to your executable",
UseShellExecute = false...
Regex group capture in R with multiple capture-groups
...lt;- character(0)
if (attr(match, 'match.length') >= 0) {
capture_start <- attr(match, 'capture.start')
capture_length <- attr(match, 'capture.length')
total_matches <- 1 + length(capture_start)
matches <- character(total_matches)
matches[1] <- substr(str, mat...
Postgres could not connect to server
...
Had a similar problem; a pid file was blocking postgres from starting up. To fix it:
$ rm /usr/local/var/postgres/postmaster.pid
$ brew services restart postgresql
and then all is well.
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python multithreading wait till all threads finished
...umentsB))
t3 = Thread(target=call_script, args=(scriptA + argumentsC))
t1.start()
t2.start()
t3.start()
t1.join()
t2.join()
t3.join()
Thus the main thread will wait till t1, t2 and t3 finish execution.
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