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Where does the “flatmap that s***” idiomatic expression in Scala come from?
... a lot of tedious if/then/else code you would write with calls to flatMap (and other higher order functions).
This is especially true for Options (see http://tonymorris.github.io/blog/posts/scalaoption-cheat-sheet/)
But it applies to other monads as well (although I have to admit, I don't exactly...
Prevent redirection of Xmlhttprequest
...s when sending XMLHttpRequest-s (i.e. to get the redirect status code back and handle it myself)?
4 Answers
...
Referring to a file relative to executing script
... case, this problem has no solution. Any approach you might have heard of, and any approach that will be detailed below, has flaws and will only work in specific cases. First and foremost, try to avoid the problem entirely by not depending on the location of your script!
If you need to write a ver...
List files committed for a revision
...t particular revision, adding username instead of revision lists all files and revisions for the user svn log --verbose --username 'username'
– Satish
Jun 9 '11 at 16:58
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SQL selecting rows by most recent date
Using the following query and results, I'm looking for the most recent entry where the ChargeId and ChargeType are unique.
...
How can I switch my git repository to a particular commit
...
All the above commands create a new branch and with the latest commit being the one specified in the command, but just in case you want your current branch HEAD to move to the specified commit, below is the command:
git checkout <commit_h...
HTML - how can I show tooltip ONLY when ellipsis is activated
...
Here's a way that does it using the built-in ellipsis setting, and adds the title attribute on-demand (with jQuery) building on Martin Smith's comment:
$('.mightOverflow').bind('mouseenter', function(){
var $this = $(this);
if(this.offsetWidth < this.scrollWidth && !...
Merge (with squash) all changes from another branch as a single commit
...rom Git merge
--squash
--no-squash
Produce the working tree and index state as if a real merge
happened (except for the merge
information), but do not actually make
a commit or move the HEAD, nor record
$GIT_DIR/MERGE_HEAD to cause the next
git commit command to create a mer...
ActiveRecord: List columns in table from console
...rmation for a table through ActiveRecord. Crucially for me it was the only and easiest way to gain confidence in what my primary key really was at the database level.
– nibbex
Mar 11 '15 at 17:30
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Reading file contents on the client-side in javascript in various browsers
...ince I originally wrote this answer, the File API has been proposed as a standard and implemented in most browsers (as of IE 10, which added support for FileReader API described here, though not yet the File API). The API is a bit more complicated than the older Mozilla API, as it is designed to sup...