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Guards vs. if-then-else vs. cases in Haskell
...le decision you need to make. Nested if..then..else-expressions are very uncommon in Haskell, and guards should almost always be used instead.
let absOfN =
if n < 0 -- Single binary expression
then -n
else n
Every if..then..else expression can be replaced by a guard if it is at the top ...
How to leave/exit/deactivate a Python virtualenv
...envwrapper. I can switch between virtualenv's just fine using the workon command.
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What is the difference between .map, .every, and .forEach?
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How do you get current active/default Environment profile programmatically in Spring?
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Cross-browser testing: All major browsers on ONE machine
... you don't need too much flexibility, and quickly want to test a page, I recommend to take a look at BrowserStack.com. After signing up, you can get a 30-minute free trial that grants you access to a lot of desktop and mobile browsers, directly within your browser.
2. Preparation
Before sett...
C++, copy set to vector
... Should I output.reserve(input.size()); by myself or can I hope that some compiler does it for me?
– jimifiki
Mar 27 '14 at 13:19
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What is this crazy C++11 syntax ==> struct : bar {} foo {};?
... { cout << "!"; } } instance; // so much more
// Output: "!"
Let's combine the examples, and recall that we can define a UDT that has no name:
struct { virtual void f() = 0; } instance; // unnamed abstract type
// error: cannot declare variable 'instance' to be of abstract type '<anonymo...
parseInt(null, 24) === 23… wait, what?
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Vim delete blank lines
What command can I run to remove blank lines in Vim?
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