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How to write an inline IF statement in JavaScript?
...e minor if the value is true, and major if the value is false.
This is known as a Conditional (ternary) Operator.
https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Operators/Conditional_Operator
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Use of def, val, and var in scala
...cala> def something = 2 + 3 * 4
something: Int
scala> something // now it's evaluated, lazily upon usage
res30: Int = 14
Example, val
scala> val somethingelse = 2 + 3 * 5 // it's evaluated, eagerly upon definition
somethingelse: Int = 17
Example, var
scala> var aVariable = 2 * 3...
Swift equivalent for MIN and MAX macros
... minimum and maximum value between two numbers using MIN and MAX macros. Swift doesn't support macros and it seems that there are no equivalents in the language / base library. Should one go with a custom solution, maybe based on generics like this one ?
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What's the UIScrollView contentInset property for?
...ew.
Obj-C
aScrollView.contentInset = UIEdgeInsetsMake(0, 0, 0, 7.0);
Swift 5.0
aScrollView.contentInset = UIEdgeInsets(top: 0, left: 0, bottom: 0, right: 7.0)
Here's a good iOS Reference Library article on scroll views that has an informative screenshot (fig 1-3) - I'll replicate it via text ...
How do I check if an object has a specific property in JavaScript?
How do I check if an object has a specific property in JavaScript?
24 Answers
24
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Can Python print a function definition?
...
If you are importing the function, you can use inspect.getsource:
>>> import re
>>> import inspect
>>> print inspect.getsource(re.compile)
def compile(pattern, flags=0):
"Compile a regular expr...
Should import statements always be at the top of a module?
...s within a function will cause calls to that function to take longer.
So if you care about efficiency, put the imports at the top. Only move them into a function if your profiling shows that would help (you did profile to see where best to improve performance, right??)
The best reasons I've see...
MDI CDockablePane使用总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...：
CMFCPopupMenu::SetForceMenuFocus(FALSE);
InitUserToolbars(NULL, uiFirstUserToolBarId, uiLastUserToolBarId);
EnablePaneMenu(TRUE, ID_VIEW_CUSTOMIZE, 0, ID_VIEW_TOOLBAR);
CDockingManager::SetDockingMode(DT_SMART);
EnableAutoHidePanes(CBRS_ALIGN_ANY);
EnableDocking(CBRS_ALIGN_ANY);
（...
get and set in TypeScript
...true
});
return foo;
})();
So to use it,
var myFoo = new foo();
if(myFoo.bar) { // calls the getter
myFoo.bar = false; // calls the setter and passes false
}
However, in order to use it at all, you must make sure the TypeScript compiler targets ECMAScript5. If you are runn...
Get local IP address in node.js
...
os.networkInterfaces as of right now doesn't work on windows. Running programs to parse the results seems a bit iffy. Here's what I use.
require('dns').lookup(require('os').hostname(), function (err, add, fam) {
console.log('addr: '+add);
})
This should...