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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...
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Insert a line break in mailto body

...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...
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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 $$...
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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...
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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 share | improve this answer | follow | ...
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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 share | improve this answer | ...
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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 ... :) share | improve this answer | ...
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log4j vs logback [closed]

...usions. I wrote a quick overview on the new Features of Log4j 2.0: http://www.grobmeier.de/the-new-log4j-2-0-05122012.html When reading you will see that Log4j 2 was inspired by Logback but also by other logging frameworks. But the code base is different; it shares almost nothing with Log4j 1 and ...
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Error “initializer element is not constant” when trying to initialize variable with const

... Just for illustration by compare and contrast The code is from http://www.geeksforgeeks.org/g-fact-80/ /The code fails in gcc and passes in g++/ #include<stdio.h> int initializer(void) { return 50; } int main() { int j; for (j=0;j<10;j++) { static int i = init...
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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...