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Extract date (yyyy/mm/dd) from a timestamp in PostgreSQL
...r field representation to a date you 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_t...
Is it possible to use 'else' in a list comprehension? [duplicate]
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print(newlist2, type(newlist2))
This is tried and tested on python 3.4.
Error is as below:
newlist2 = [x if x > 30 else pass for x in list1 ]
SyntaxError: invalid syntax
So, try to avoid pass-es in list comprehensions
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Is there a way to get colored text in Github Flavored Markdown? [duplicate]
...t, which may not be in any formal language at all (e.g. highlighting in an error message).
– Ken Williams
Oct 27 '15 at 18:05
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Dynamically generating a QR code with PHP [closed]
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I cannot reproduce the error. It is working fine with QRcode::png('www.example.com/some/view/aUdv4rP4BXXLQdpXZC6Gs5C6AfyJM4uB6ntVttIr1B0='); maybe it has something to do with the headers
– RafaSashi
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How to create a zip archive of a directory in Python?
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For me this code throwing below error TypeError: invalid file: <zipfile.ZipFile [closed]>
– Nishad Up
Aug 23 '17 at 12:41
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How to remove \xa0 from string in Python?
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When I try this, I get UnicodeDecodeError: 'ascii' codec can't decode byte 0xa0 in position 397: ordinal not in range(128).
– gwg
May 28 '15 at 22:15
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Concat scripts in order with Gulp
... = require('gulp');
var concat = require('gulp-concat');
var handleErrors = require('../util/handleErrors');
var streamqueue = require('streamqueue');
gulp.task('scripts', function() {
return streamqueue({ objectMode: true },
gulp.src('./public/angular/config/*.js'),
gu...
Why are these numbers not equal?
...e because some values which are simple, finite decimals (such as 0.1 and 0.05) are not represented exactly in the computer and so the results of arithmetic on them may not give a result that is identical to a direct representation of the "known" answer.
This is a well known limitation of computer a...
How can I get clickable hyperlinks in AlertDialog from a string resource?
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Then, I'm getting error Calling startActivity() from outside of an Activity context requires the FLAG_ACTIVITY_NEW_TASK flag. Is this really what you want?
– ViliusK
Dec 8 '16 at 13:08
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How to send and retrieve parameters using $state.go toParams and $stateParams?
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I was getting an error saying "Missing required parameter" when I listed the params as an array in the state definition. Instead, list them as a hash like {referer: true, param2: true, etc: true}
– Dave Ceddia
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