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Limits of Nat type in Shapeless
...a> Nat(3)
res10: shapeless.Succ[shapeless.Succ[shapeless.Succ[shapeless._0]]] = Succ()
So to represent the number 1000000, you would have a type that is nested 1000000 levels deep, which would definitely blow up the scala compiler. The current limit seems to be about 400 from experimentation, b...
How to reset Jenkins security settings from the command line?
...sh> xml tag is a child of <hudson.security.HudsonPrivateSecurityRealm_-Details>. Look at the default admin user for an idea of the total XML structure.
– ivandov
Jul 27 '16 at 20:46
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slashes in url variables
...uld easily replace the forward slashes / with something like an underscore _ such as Wikipedia uses for spaces. Replacing special characters with underscores, etc., is common practice.
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JS: Check if date is less than 1 hour ago?
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Define
var ONE_HOUR = 60 * 60 * 1000; /* ms */
then you can do
((new Date) - myDate) < ONE_HOUR
To get one hour from a date, try
new Date(myDate.getTime() + ONE_HOUR)
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Making text background transparent but not text itself
... answered Sep 25 '13 at 21:44
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Set custom HTML5 required field validation message
... requiredmessage="A valid E-mail address is required." pattern="^[a-zA-Z0-9_.-]+@[a-zA-Z0-9-]+.[a-zA-Z0-9]+$" />
<input type="submit" value="Send it!" />
</form>
The attribute requiredmessage is the custom attribute I talked about. You can set your message for each required fie...
How do I activate C++ 11 in CMake?
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CMake 3.1 introduced the CMAKE_CXX_STANDARD variable that you can use. If you know that you will always have CMake 3.1 available, you can just write this in your top-level CMakeLists.txt file, or put it right before any new target is defined:
set (CMAKE...
Pass props to parent component in React.js
...omparison check.
You can also use Recompose library, which provide higher order components to achieve fine-tuned optimisations:
// A component that is expensive to render
const ExpensiveComponent = ({ propA, propB }) => {...}
// Optimized version of same component, using shallow comparison of ...
recursion versus iteration
...iption of an algorithm in pseudocode: csl.mtu.edu/cs2321/www/newLectures/26_Depth_First_Search.html
– jdelman
Feb 21 '18 at 15:53
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Numpy `logical_or` for more than two arguments
Numpy's logical_or function takes no more than two arrays to compare. How can I find the union of more than two arrays? (The same question could be asked with regard to Numpy's logical_and and obtaining the intersection of more than two arrays.)
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