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CURL alternative in Python
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answered Apr 19 '10 at 14:24
blwy10blwy10
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Counting null and non-null values in a single query
... it to work on another RDBMS):
select sum(case when a is null then 1 else 0 end) count_nulls
, count(a) count_not_nulls
from us;
Or:
select count(*) - count(a), count(a) from us;
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Executing elements inserted with .innerHTML
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20 Answers
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What GRANT USAGE ON SCHEMA exactly do?
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edited May 3 '19 at 17:05
J_H
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answered Jun 27 ...
How do I convert a string to a number in PHP?
I want to convert these types of values, '3' , '2.34' , '0.234343' , etc. to a number. In JavaScript we can use Number() , but is there any similar method available in PHP?
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How can I read and parse CSV files in C++?
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304
If you don't care about escaping comma and newline,
AND you can't embed comma and newline in qu...
How do I find the install time and date of Windows?
...sion\InstallDate
It's given as the number of seconds since January 1, 1970. (Note: for Windows 10, this date will be when the last feature update was installed, not the original install date.)
To convert that number into a readable date/time just paste the decimal value in the field "UNIX TimeSta...
How do I test for an empty JavaScript object?
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ECMA 5+:
// because Object.keys(new Date()).length === 0;
// we have to do some additional check
Object.keys(obj).length === 0 && obj.constructor === Object
Note, though, that this creates an unnecessary array (the return value of keys).
Pre-ECMA 5:
function isEmpty(o...
How do I put a bunch of uncommitted changes aside while working on something else
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edited Jun 30 '16 at 3:19
smoreilly
5555 bronze badges
answered Jul 17 '12 at 9:57
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REST API Token-based Authentication
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edited Apr 10 '14 at 17:28
answered Mar 19 '12 at 17:09
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