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How to drive C#, C++ or Java compiler to compute 1+2+3+…+1000 at compile time?
In a recent interview, I was asked a really strange question. The interviewer asked me how can I compute 1+2+3+...+1000 just using compiler features. This means that I am not allowed to write a program and execute it, but I should just write a program that could drive the compiler to compute this su...
jQuery attr vs prop?
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Unfortunately none of your links work :(
Some insight though, attr is for all attributes. prop is for properties.
In older jQuery versions (<1.6), we just had attr. To get to DOM properties such as nodeName, selectedIndex, or defaultValue you had to do something like:
var elem = $("#foo")[0];
if...
When monkey patching an instance method, can you call the overridden method from the new implementat
Say I am monkey patching a method in a class, how could I call the overridden method from the overriding method? I.e. Something a bit like super
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C++ Double Address Operator? (&&)
...++11. int&& a means "a" is an r-value reference. && is normally only used to declare a parameter of a function. And it only takes a r-value expression. If you don't know what an r-value is, the simple explanation is that it doesn't have a memory address. E.g. the number 6, and charac...
Why does AngularJS include an empty option in select?
...orking with AngularJS for the last few weeks, and the one thing which is really bothering me is that even after trying all permutations or the configuration defined in the specification at http://docs.angularjs.org/api/ng.directive:select , I still get an empty option as the first child of select e...
Hiding elements in responsive layout?
...gh bootstrap it looks like they support collapsing the menubar items for smaller screens. Is there something similar for other items on the page?
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SQLite INSERT - ON DUPLICATE KEY UPDATE (UPSERT)
...f some other process inserted in between.
– Robin Lavallée
Aug 12 at 15:31
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Undoing accidental git stash pop
...efore running git stash pop . The pop created some problems (bad method calls in a big codebase) that are proving hard to track down. I ran git stash show , so I at least know which files were changed. If nothing else, I guess this is a lesson to commit more.
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'No Transport' Error w/ jQuery ajax call in IE
...ed this on Windows Mobile 7.
After LOTS of time spent to understand, I finally found this:
http://bugs.jquery.com/ticket/10660
The Solution is simple, just set this:
$.support.cors = true;
and Ajax cross domain requests will work!
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How to configure 'git log' to show 'commit date'
... make it the commit date, you can use git log --format=<some stuff>. All the allowable codes for defining the format are documented in git help log. The commit date is one of %cd, %cD, %cr, %ct or %ci, depending on what format you prefer it in.
If it's something you want to do often, put it i...