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Big-O for Eight Year Olds? [duplicate]
I'm asking more about what this means to my code. I understand the concepts mathematically, I just have a hard time wrapping my head around what they mean conceptually. For example, if one were to perform an O(1) operation on a data structure, I understand that the number of operations it has to p...
Make a div into a link
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For me the no-nos are: javascript (shouldn't be needed just for a link, and very bad SEO/accessibility); invalid HTML.
In essence it's this:
Build your panel using normal CSS techniques and valid HTML.
Somewhere in there put a link that you want to be the default link if the user clicks on th...
Getting “Warning! PATH is not properly set up” when doing rvm use 2.0.0 --default
...er looking through wayne seguin's git hub page. He lists tools on his page and recommended using
rvm reset
after an installation. This fixed my error message. No PATH edits needed.
share
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impro...
What is trunk, branch and tag in Subversion? [duplicate]
What is a trunk, branch and tag in Subversion and what are the best practices to use them?
9 Answers
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Empty arrays seem to equal true and false at the same time
...t (Array is instance of Object in JS) will check if the object is present, and returns true/false.
When you call if (arr == false) you compare values of this object and the primitive false value. Internally, arr.toString() is called, which returns an empty string "".
This is because toString cal...
xcodebuild says does not contain scheme
...two versions of things -- the "I'm busy, so just the facts please" version and a more involved discussion and rationale. Both of these versions assume you are trying to build from a Workspace file; if you aren't then my apologies as this mostly applicable to workspace-based projects.
Condensed 'Fi...
Why aren't programs written in Assembly more often? [closed]
It seems to be a mainstream opinion that assembly programming takes longer and is more difficult to program in than a higher level language such as C. Therefore it seems to be recommend or assumed that it is better to write in a higher level language for these reasons and for the reason of better po...
How to echo with different colors in the Windows command line
I know that the color bf command sets the colors of the whole command line window but I wanted to to print one single line in a different color.
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What is an unsigned char?
...ich gives you at least the 0 to 255 range.
"At least", because the C++ standard only gives the minimum range of values that each numeric type is required to cover. sizeof (char) is required to be 1 (i.e. one byte), but a byte could in theory be for example 32 bits. sizeof would still be report its...
How to get a key in a JavaScript object by its value?
...allowing me to get the key for a value, or do I have to iterate the object and find it out manually?
27 Answers
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