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What is an idiomatic way of representing enums in Go?
...ign choice, compromise between safety and performance. Consider "safe" run time bound checks every time when touching a Base typed value. Or how should one define 'overflow' behavior of Base value for arithmetics and for ++ and --? Etc.
– zzzz
Jan 20 '13 at 17:...
Merge multiple lines (two blocks) in Vim
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You have to press [Enter] after :5 both times you type it or this won't work.
– Shawn J. Goff
May 26 '12 at 4:14
1
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How can I store my users' passwords safely?
...f every dictionary word prefixed by your fixed salt.
A better way is each time a user changes their password, your system generate a random salt and store that salt along with the user record. It makes it a bit more expensive to check the password (since you need to look up the salt before you can...
How to write very long string that conforms with PEP8 and prevent E501
...ost terminals being unable to show > 80 characters on a line), but over time they become functionally obsolete, but still rigidly adhered to. I guess what you need to do here is weigh up the relative merits of "breaking" that particular suggestion against the readability and mainatinability of y...
What is the 'instanceof' operator used for in Java?
...e used for dog above is of type Object. This is to show instanceof is a runtime operation and brings us to a/the use case: to react differently based upon an objects type at runtime.
Things to note: expressionThatIsNull instanceof T is false for all Types T.
Happy coding.
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Optimum way to compare strings in JavaScript? [duplicate]
... need at least min {a.length, b.length} steps (compare two characters at a time) to determine if the strings are equal or not. (Even localeCompare will do that internally.)
– Gumbo
Jan 30 '10 at 16:49
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Efficient way to determine number of digits in an integer
...t numbers
template <>
int numDigits(char n)
{
// if you have the time, replace this with a static initialization to avoid
// the initial overhead & unnecessary branch
static char x[256] = {0};
if (x[0] == 0) {
for (char c = 1; c != 0; c++)
x[c] = numDigi...
How do I fit an image (img) inside a div and keep the aspect ratio?
...lement, I want to fit it into the div without losing any part, in the mean time the ratio is kept, is it achievable using html and css?
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PHP DateTime::modify adding and subtracting months
I've been working a lot with the DateTime class and recently ran into what I thought was a bug when adding months. After a bit of research, it appears that it wasn't a bug, but instead working as intended. According to the documentation found here :
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jQuery validate: How to add a rule for regular expression validation?
.... So you need to redefine the regex IN the function so it's recreated each time it is called.
– rob_james
Jan 31 '14 at 13:48
1
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