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What is a “feature flag”?
... various types of toggle strategies. DevCookie supports the mainline/trunk-based strategy and is called a "Release Toggle" in the article.
Adil's answer highlights that there are many terms and reasons why you might want some of this infrastructure. Keep in mind you may only need some of these thi...
What exactly is Heroku?
...oku using your build scripts
Plenty of Add-on resources (applications, databases etc.)
Processes scaling - independent scaling for each component of your app without affecting functionality and performance
Isolation - each process (aka dyno) is completely isolated from each other
Full Logging and Vi...
What can MATLAB do that R cannot do? [closed]
...riendly, but it is not better than e.g. ESS for R if you use it on a daily bases.
– Matti Pastell
Apr 6 '10 at 7:19
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What is Bootstrap?
...or creating a websites and web applications.
It contains HTML and CSS-based design templates for typography, forms, buttons, navigation and other interface components, as well as optional JavaScript extensions.
Some Reasons for programmers preferred Bootstrap Framework
Easy to get ...
Convert Decimal to Double
...is a type which is native to the CPU (internal representation is stored in base 2), calculations made with Double perform better then Decimal (which is represented in base 10 internally).
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I need this baby in a month - send me nine women!
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Not really... still there is a cost of learning the code base alone... and if they are totally incompetent, the project will probably fail anyways.
– Mike Stone
Sep 16 '08 at 20:24
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static allocation in java - heap, stack and permanent generation
...h needed to really know. Most people here (myself included) are answering based on things they have seen written elsewhere, or what they have inferred. Usually what is written here, or in various articles and web pages, is based on other sources which may or may not be definitive. Often it is sim...
What is the difference between a HashMap and a TreeMap? [duplicate]
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To sum up:
HashMap: Lookup-array structure, based on hashCode(), equals() implementations, O(1) runtime complexity for inserting and searching, unsorted
TreeMap: Tree structure, based on compareTo() implementation, O(log(N)) runtime complexity for inserting and searchi...
select * vs select column
...erlying on-disk storage structure for everything (including table data) is based on defined I/O Pages (in SQL Server for e.g., each Page is 8 kilobytes). And every I/O read or write is by Page.. I.e., every write or read is a complete Page of data.
Because of this underlying structural constraint...
Programmatically Lighten or Darken a hex color (or rgb, and blend colors)
... amount. Just pass in a string like "3F6D2A" for the color ( col ) and a base10 integer ( amt ) for the amount to lighten or darken. To darken, pass in a negative number (i.e. -20 ).
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