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Which timestamp type should I choose in a PostgreSQL database?
...s fantastic and Option 3 is fine in the general case. It is, however, an incomplete view of time and timezones and can be supplemented:
Store the name of a user’s time zone as a user preference (e.g. America/Los_Angeles, not -0700).
Have user events/time data submitted local to their frame of re...
When splitting an empty string in Python, why does split() return an empty list while split('\n') re
...
The second mode is useful for delimited data such as CSV where repeated commas denote empty fields. For example:
>>> data = '''\
Guido,BDFL,,Amsterdam
Barry,FLUFL,,USA
Tim,,,USA
'''
>>> for line in data.splitlines():
print line.split(',')
['Guido', 'BDFL', '', 'Amster...
Clang optimization levels
...ate to in terms of specific optimisation arguments ( -funswitch-loops , -fcompare-elim , etc.)
3 Answers
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Android LocationClient class is deprecated but used in documentation
...s.Bundle;
import android.util.Log;
import android.widget.TextView;
import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.api.GoogleApiClient;
import com.google.android.gms.location.LocationListener;
import com.google.android.gms.location.LocationRequest;
import...
How to run the sftp command with a password from Bash script?
...hpass -e sftp -oBatchMode=no -b - sftp-user@remote-host << !
cd incoming
put your-log-file.log
bye
!
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How to skip “Loose Object” popup when running 'git gui'
...Git v1.7.9 or newer, you can disable the warning dialog with the following command:
git config --global gui.gcwarning false
If you are using an older version, then you can edit /lib/git-core/git-gui and remove the after 1000 hint_gc line, or edit /usr/share/git-gui/lib/database.tcl and remove the...
How to terminate the script in JavaScript?
...zonneveld.net
// + original by: Brett Zamir (http://brettz9.blogspot.com)
// + input by: Paul
// + bugfixed by: Hyam Singer (http://www.impact-computing.com/)
// + improved by: Philip Peterson
// + bugfixed by: Brett Zamir (http://brettz9.blogspot.com)
// % ...
Abort makefile if variable not set
...sive_empty = $(explicitly_empty)
As suggested by @VictorSergienko in the comments, a slightly different behavior may be desired:
$(if $(value $1) tests if the value is non-empty. It's sometimes OK if the variable is defined with an empty value. I'd use $(if $(filter undefined,$(origin $1)) ......
Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala
...ow answer relating to this topic clearly, is that reduce should be given a commutative monoid, i.e. an operation that is both commutative and associative. This means the operation can be parallelized.
This distinction is very important for Big Data / MPP / distributed computing, and the entire rea...