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How to make Twitter Bootstrap tooltips have multiple lines?
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C default arguments
...per function, and a macro
around the wrapper function. In my work I have a set of macros to automate all this; once
you understand the flow it'll be easy for you to do the same.
I've written this up elsewhere, so here's a detailed external link to supplement the summary here: http://modelingwithdat...
What are free monads?
...m a Y to an X without gaining anything extra.
Examples: a monoid (X) is a set (Y) with extra structure (P) that basically says it has an operation (you can think of addition) and some identity (like zero).
So
class Monoid m where
mempty :: m
mappend :: m -> m -> m
Now, we all know ...
Reduce, fold or scan (Left/Right)?
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How to disallow temporaries
...too.
Any constructor you want to guard needs a default argument on which set(guard) is called.
struct Guard {
Guard()
:guardflagp()
{ }
~Guard() {
assert(guardflagp && "Forgot to call guard?");
*guardflagp = 0;
}
void *set(Guard const *&guardflag) {
if(guar...
JavaScript + Unicode regexes
....
Unicode's website provides a way to translate Unicode categories into a set of code points. Since it's Unicode's website, the information from it should be accurate.
Note that you will need to exclude the high-end characters, as JavaScript can only handle characters less than FFFF (hex). I sugge...
Split (explode) pandas dataframe string entry to separate rows
...lit(','))
for _, row in a.iterrows()]).reset_index()
Out[55]:
index 0
0 a 1
1 b 1
2 c 1
3 d 2
4 e 2
5 f 2
Then you just have to rename the columns
share
...
git: Apply changes introduced by commit in one repo to another repo
... Works good. If you have problems with commit then do 'git reset HEAD; git add .'.
– gumik
Oct 16 '12 at 9:53
5
...
PostgreSQL: How to pass parameters from command line?
...
Sure, just use \set v3 'another value'. Just remember, when you need to quote the value in SQL statement, use apostrophes around variable name, like this: SELECT * FROM foo WHERE bar = :'v3';
– Cromax
...
Fastest way to tell if two files have the same contents in Unix/Linux?
I have a shell script in which I need to check whether two files contain the same data or not. I do this a for a lot of files, and in my script the diff command seems to be the performance bottleneck.
...