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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.
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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
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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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How to make a Python script run like a service or daemon in Linux
...un query 60 times, which means it ends after 50 seconds, and then let cron start the script again 10 seconds later?
– Mads Skjern
Mar 10 '16 at 10:29
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Get first day of week in SQL Server
...ut rather a Sunday. For example:
DECLARE @dt DATE = '1905-01-01';
SELECT [start_of_week] = DATEADD(WEEK, DATEDIFF(WEEK, @dt, CURRENT_TIMESTAMP), @dt);
This will not break if you change your DATEFIRST setting (or your code is running for a user with a different setting) - provided that you still w...
How to open in default browser in C#
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You can just write
System.Diagnostics.Process.Start("http://google.com");
EDIT: The WebBrowser control is an embedded copy of IE.
Therefore, any links inside of it will open in IE.
To change this behavior, you can handle the Navigating event.
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