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Twitter Bootstrap - add top space between rows
...
Sometimes margin-top can causes design problems:
http://www.w3.org/TR/CSS2/box.html#collapsing-margins
So, i recommend create "margin-bottom classes" instead of "margin-top classes" and apply them to the previous item.
If you are using Bootstrap importing LESS Bootstrap files tr...
Is it not possible to stringify an Error using JSON.stringify?
... 'serialize-error';
JSON.stringify(serializeError(error));
Docs: https://www.npmjs.com/package/serialize-error
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How do you use variables in a simple PostgreSQL script?
...documentation.
You can use new PG9.0 anonymous code block feature (http://www.postgresql.org/docs/9.1/static/sql-do.html )
DO $$
DECLARE v_List TEXT;
BEGIN
v_List := 'foobar' ;
SELECT *
FROM dbo.PubLists
WHERE Name = v_List;
-- ...
END $$;
Also you can get the last insert id:
DO $$...
Postgres could not connect to server
...de.
In my case, it happened when upgrading from 9.3 to 9.4.
See http://www.postgresql.org/docs/9.4/static/upgrading.html
OS X/Homebrew:
Try running postgres -D /usr/local/var/postgres -- it will give you a much more verbose output if postgres fails to start.
In my case, running rm -rf /usr/lo...
What's faster, SELECT DISTINCT or GROUP BY in MySQL?
...ct i from g group by i) a;
count
10001
(1 row)
Time: 594,481 ms
http://www.pgsql.cz/index.php/PostgreSQL_SQL_Tricks_I
so be careful ... :)
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How Many Seconds Between Two Dates?
... of the theory of designing date/time libraries and why this is so: http://www.boost.org/doc/libs/1_41_0/doc/html/date_time/details.html#date_time.tradeoffs
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How to completely uninstall Android Studio on Mac?
...android-sdk. or try this handy tool for finding large files in your Mac www.derlien.com
– Simon
Feb 22 '17 at 17:31
...
How do I test a camera in the iPhone simulator?
...a big deal… )
Good link to a iOS Devices resolutions quick ref : http://www.iosres.com/
Edit : In a recent project, where a custom camera view controller is used, I have replaced the AVPreview by an UIImageView in a target that I only use to run in the simulator. This way I can automate screen...
Store a closure as a variable in Swift
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
Why does Dijkstra's algorithm use decrease-key?
...between using the decrease-key version and the insert version. See http://www.cs.utexas.edu/users/shaikat/papers/TR-07-54.pdf
Their basic conclusion was not to use the decrease-key for most graphs. Especially for sparse graphs, the non-decrease key is significantly faster than the decrease-key ve...