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How to pass argument to Makefile from command line?

..._key \ --start-at-task="$(AT)" \ -u vagrant playbook.yml Now when I want to call it I just run something like: AT="build assets" make provision or just: make provision in this case AT is an empty string ...
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JavaScript OOP in NodeJS: how?

... Looks now deprecated. From answer link: Note: usage of util.inherits() is discouraged. Please use the ES6 class and extends keywords to get language level inheritance support. Also note that the two styles are semantically incompat...
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Do you put unit tests in same project or another project?

...ct build processes like automated or continuous build. I don't really know of any pros. Having an extra project (or 10) isn't a con. Edit: More Info On Build and Shipping I would further recommend that any automated build process place production and unit tests into different locations. Idea...
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When exactly are onSaveInstanceState() and onRestoreInstanceState() called?

The following figure (from the official doc ) describes the well-known lifecycle of an Android activity: 5 Answers ...
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How can I store my users' passwords safely?

... salted hashes: add pepper If you want extra security, the security folks now (2017) recommend adding a 'pepper' to the (automatically) salted password hashes. There is a simple, drop in class that securely implements this pattern, I recommend: Netsilik/PepperedPasswords (github). It comes with...
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How do different retention policies affect my annotations?

...ection at runtime. Example: @Deprecated Source: The old URL is dead now hunter_meta and replaced with hunter-meta-2-098036. In case even this goes down, I am uploading the image of the page. Image (Right Click and Select 'Open Image in New Tab/Window') ...
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ASP.NET Web API Authentication

...is is a top secret material that only authorized users can see"; } } Now we could write a client application consuming this API. Here's a trivial console application example (make sure you have installed the Microsoft.AspNet.WebApi.Client and Microsoft.Net.Http NuGet packages): using System; ...
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Maven2: Best practice for Enterprise Project (EAR file)

... of archetypes appeared in a numbered list from which to select (519 as of now!). The goal, still running, prompted me to make a selection by entering a number or entering a search string e.g.: 513: remote -> org.xwiki.commons:xwiki-commons-component-archetype 514: remote -> org.xwiki.render...
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What does the caret operator (^) in Python do?

...r): return self ** other Then something like this will work, and now, for instances of Foo only, the ^ symbol will mean exponentiation. In [16]: x = Foo(3) In [17]: x Out[17]: 3.0 In [18]: x ^ 4 Out[18]: 81.0 s...
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What is a Java ClassLoader?

...it to a JAR and maybe include a few extra library JARs, you don't need to know about class loaders, it will just work. Still, it is helpful to know a bit about class loaders and class loading to better understand what goes on behind the scenes. As an example, "static initializers" will run when a c...