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How to run Node.js as a background process and never die?

... @L0j1k debatable, OP has demonstrated a level of understanding that litte further explanation is required for the accepted answer. – JFA Jun 3 '14 at 16:15 ...
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Rails 3 execute custom sql query without a model

... Maybe try this: ActiveRecord::Base.establish_connection(...) ActiveRecord::Base.connection.execute(...) share | improve this answer | f...
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Return empty cell from formula in Excel

... Maybe this is cheating, but it works! I also needed a table that is the source for a graph, and I didn't want any blank or zero cells to produce a point on the graph. It is true that you need to set the graph property, select data, hidden and empty cells to "show empty cells as ...
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push_back vs emplace_back

...l because no matter how much cleverness RVO and move semantic bring to the table there is still complicated cases where a push_back is likely to make unnecessary copies (or move). For example, with the traditional insert() function of a std::map, you have to create a temporary, which will then be co...
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How to combine two or more querysets in a Django view?

... If merging querysets from the same table to perform an OR query, and have duplicated rows you can eliminate them with the groupby function: from itertools import groupby unique_results = [rows.next() for (key, rows) in groupby(result_list, key=lambda obj: obj...
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how to customize `show processlist` in mysql?

...ou can ORDER BY in any way you like. The INFORMATION_SCHEMA.PROCESSLIST table was added in MySQL 5.1.7. You can find out which version you're using with: SELECT VERSION() share | improve this ...
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How do I compare strings in Java?

..." String objects to save memory footprint as String is known for being immutable (I hope, I say it correctly here). Also check stackoverflow.com/questions/3052442/… – Roland Nov 10 '17 at 13:34 ...
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Landscape printing from HTML

...ore fluid. If you really can't (perhaps because the document contains data tables with many columns, for example), you will need to advise the user to set the orientation to Landscape and perhaps outline how to do it in the most common browsers. Of course, some browsers have a print fit-to-width (sh...
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Using Caps Lock as Esc in Mac OS X

...ing bugs. Here's a screenshot to show a few of the (hundreds of) pre-selectable options: PQRS also has a great utility called NoEjectDelay that you can use in combination with KeyRemap4MacBook for reprogramming the Eject key. After a little tweaking I have mine set to toggle the AirPort Wifi. T...
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Intelligent point label placement in R

...cates, and I think solutions involving hand-labeling deserve a seat at the table, that's all. share | improve this answer | follow | ...