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What is the list of valid @SuppressWarnings warning names in Java?
...oncat when a char array is used in a string concatenation without being converted explicitly to a string
conditionAssign possible accidental boolean assignment
constructorName method with
constructor name
dep-ann missing @Deprecated
annotation
deprecation usage of dep...
Jquery selector input[type=text]')
...xt],select', '.sys').each(function() {...})
Note: Internally jQuery will convert the above to find() equivalent
http://api.jquery.com/jQuery/
Internally, selector context is implemented with the .find() method,
so $('span', this) is equivalent to $(this).find('span').
I personally find th...
Difference between malloc and calloc?
...tage of the OS's guarantee.
This means calloc memory can still be "clean" and lazily-allocated, and copy-on-write mapped to a system-wide shared physical page of zeros. (Assuming a system with virtual memory.)
Some compilers even can optimize malloc + memset(0) into calloc for you, but you should...
Heroku Postgres - terminate hung query (idle in transaction)
I'm using Heroku with the Crane Postgres option and I was running a query on the database from my local machine when my local machine crashed. If I run
...
How to Deep clone in javascript
...
If i remember correctly this also converts dates into strings.
– Peter
Jul 11 '17 at 6:48
4
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How to replace plain URLs with links?
...wanted emails to turn into mailto: links. EXAMPLE: www.yahoo.com would be converted to www.yahoo.com
Here's the code I ended up with (combination of code from this page and other stuff I found online, and other stuff I did on my own):
function Linkify(inputText) {
//URLs starting with http://...
Can enums be subclassed to add new elements?
I want to take an existing enum and add more elements to it as follows:
15 Answers
15
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Fastest way to remove first char in a String
...foo" instead of "//foo".
The first option needs a bit more work to understand than the third - I would view the Substring option as the most common and readable.
(Obviously each of them as an individual statement won't do anything useful - you'll need to assign the result to a variable, possibly d...
Do we still need end slashes in HTML5?
...nd-slashes just fine, so there's no harm in leaving it there. Means easier converting backwards to XHTML, if necessary for whatever reason.
– Nightfirecat
Sep 9 '11 at 19:19
4
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Get statistics for each group (such as count, mean, etc) using pandas GroupBy?
I have a data frame df and I use several columns from it to groupby :
7 Answers
7
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