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Extract date (yyyy/mm/dd) from a timestamp in PostgreSQL
...u can use:
select date(substring('2011/05/26 09:00:00' from 1 for 10));
Test code:
create table test_table (timestamp_field timestamp);
insert into test_table (timestamp_field) values(current_timestamp);
select timestamp_field, date(timestamp_field) from test_table;
Test result:
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Better to 'try' something and catch the exception or test if it's possible first to avoid an excepti
Should I test if something is valid or just try to do it and catch the exception?
8 Answers
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endsWith in JavaScript
...ese days, the simple this.substr(-suffix.length) === suffix approach is fastest on Chrome, the same on IE11 as indexOf, and only 4% slower (fergetaboutit territory) on Firefox: jsperf.com/endswith-stackoverflow/14 And faster across the board when the result is false: jsperf.com/endswith-stackoverflo...
How can I use jQuery in Greasemonkey?
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Will want to test that you do not already have it like so: if(typeof $ == 'undefined'){ var $ = unsafeWindow.jQuery; } In Chrome, a sites Jquery will already be available.
– Jonathon
Aug 4 '13 at 16...
How can I selectively escape percent (%) in Python strings?
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>>> test = "have it break."
>>> selectiveEscape = "Print percent %% in sentence and not %s" % test
>>> print selectiveEscape
Print percent % in sentence and not have it break.
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Why is printing to stdout so slow? Can it be sped up?
... device) to complete.
To make the comparison fair, you must make the file test use the same output buffering as the terminal, which you can do by modifying your example to:
fp = file("out.txt", "w", 1) # line-buffered, like stdout
[...]
for x in range(lineCount):
fp.write(line)
os.fsync(...
What is the C# equivalent of friend? [duplicate]
I'd like the private member variables of a class to be accessible to a Tester class without exposing them to other classes.
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How to pre-populate the sms body text via an html link
...body text here */">Link</a>
Live demo here: http://bradorego.com/test/sms.html (note the "Phone and ?body" and "Phone and ;body" should autofill both the to: field and the body text. View the source for more info)
UPDATE:
Apparently iOS8 had to go and change things on us, so thanks to so...
Automatically resize jQuery UI dialog to the width of the content loaded by ajax
...makes it take up 100% width of the browser window but it works sweet here, tested in FF3.6, Chrome and IE8.
I'm not making AJAX calls, just manually changing the HTML of the dialog but don't think that will cause any probs. Could some other css setting be knocking this out?
The only problem wit...
Testing if jQueryUI has loaded
...website, and I think that jQueryUI may not have loaded properly. How can I test if jQueryUI has loaded?
5 Answers
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