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JavaScript seconds to time string with format hh:mm:ss
... Thanks for the prototype idea, I like how it is easier to call it. I prototyped the Number so I can call it on them too. I also found this answer that would remove the hours and minutes if they were not needed.
– alunsford3
May 25 '12 at 5:44
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Hibernate - Batch update returned unexpected row count from update: 0 actual row count: 0 expected:
...y the function which causes the issue. Unfortunately there are several DB calls in the function. I am unable to find the line which causes the issue since hibernate flush the session at the end of the transaction. The below mentioned hibernate error looks like a general error. It doesn't even mentio...
sendmail: how to configure sendmail on ubuntu? [closed]
...guration are located at the following (in case you want to update them manually):
/etc/mail/sendmail.conf
/etc/cron.d/sendmail
/etc/mail/sendmail.mc
You can test sendmail to see if it is properly configured and setup by typing the following into the command line:
$ echo "My test email being sent...
How do I turn on SQL debug logging for ActiveRecord in RSpec tests?
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By default, all your db queries will be logged already in test mode. They'll be in log/test.log.
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How to hide action bar before activity is created, and then show it again?
...tActionBar().hide();
setContentView(R.layout.splash); // be sure you call this AFTER requestFeature
This creates the ActionBar and immediately hides it before it had the chance to be displayed.
But now there is another problem. After putting windowActionBar="false" in the theme, the Activity...
Convert pandas dataframe to NumPy array
...p.nan)
# array([ 1., 2., nan])
This is called out in the docs.
If you need the dtypes...
As shown in another answer, DataFrame.to_records is a good way to do this.
df.to_records()
# rec.array([('a', -1, 4), ('b', 2, 5), ('c', 3, 6)],
# dtype=[('index',...
Understanding colors on Android (six characters)
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here you find all values : dtp-aus.com/hexadeci.htm and you can get alpha 0-100 by divide the number by 255 and multiple it by 100. hope it helps you
– Niib Fouda
Oct 17 '16 at 10:44
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How do you append an int to a string in C++? [duplicate]
...it, as in
std::cout << text << i;
The C++ way of converting all kinds of objects to strings is through string streams. If you don't have one handy, just create one.
#include <sstream>
std::ostringstream oss;
oss << text << i;
std::cout << oss.str();
Alterna...
Create a new database with MySQL Workbench
Being new to MySQL, I have installed the latest version of the MySQL Workbench (5.2.33). I would like to know how you can create a database with this application. In the Overview tab of the SQL editor there are few "MySQL Schema" displayed, are these schemas the existing databases?
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When to use std::begin and std::end instead of container specific versions [duplicate]
...s C >
auto begin( C& c ) -> decltype(c.begin());
You see that all it does is reference the begin() anyway. I suppose a decent compiler will make the difference nil, so I guess it comes down to preference. Personally, I'd use cont.begin() and cont.end() just so that I wouldn't have to ...