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List comprehension on a nested list?
... Super useful! Makes it clear that loops (top-to-bottom) are ordered left to right in the generator. This not obvious since in (f(x) for x in l) places the second line of the for-loop equivalent on the left.
– user48956
Jan 11 '18 at 18:11
...
What is the difference between sql and mysql [closed]
...what universal - Selects usually look the same, Inserts, Updates, Deletes, etc. Once you get beyond the basics, the commands and abilities of your individual Databases vary, and this is where you get people who are Oracle experts, MySQL, SQL Server, etc.
Basically, MySQL is one of many books holdi...
Dialog throwing "Unable to add window — token null is not for an application” with getApplication()
...n that.. you may sometimes need to store "this" globally, (for example) in order to access it within a listener's implemented method who has it's own 'this'. In that case, you'd define "Context context" globally, and then in the onCreate, set "context = this", and then refer to "context". Hope that ...
How to show the text on a ImageButton?
... place the drawable at the top of the button, drawableRight at the bottom, etc.
– Cristian
Oct 25 '12 at 12:11
1
...
HQL ERROR: Path expected for join
...ct u from UserGroup ug inner join ug.user u
where ug.group_id = :groupId
order by u.lastname
As a named query:
@NamedQuery(
name = "User.findByGroupId",
query =
"SELECT u FROM UserGroup ug " +
"INNER JOIN ug.user u WHERE ug.group_id = :groupId ORDER BY u.lastname"
)
Use paths in t...
Expand a div to fill the remaining width
...
It is important to note, that the order of the children matters. The floating element with fixed width has to be above the other one. Took me too long to figure out, why it didn't worked for me with switched order.
– Riplexus
...
Bootstrap 3: pull-right for col-lg only
...to create your own class with media queries. Bootstrap 3 already has float ordering for media breakpoints under Column Ordering: http://getbootstrap.com/css/#grid-column-ordering
The syntax for the class is col-<#grid-size>-(push|pull)-<#cols> where <#grid-size> is xs, sm, md or l...
How to detect Ctrl+V, Ctrl+C using JavaScript?
...
With jquery you can easy detect copy, paste, etc by binding the function:
$("#textA").bind('copy', function() {
$('span').text('copy behaviour detected!')
});
$("#textA").bind('paste', function() {
$('span').text('paste behaviour detected!')
});
$("#textA").b...
What's the difference between RSpec and Cucumber? [closed]
...ur model is supposed to do, the controller does what it is supposed to do, etc).
RSpec and Cucumber both are used for Acceptance Testing (Which is called ATDD, BDD, Specification by Example, etc depending on who you ask). These are business-case driven Integration Tests, which mean they simulate th...
Why shouldn't all functions be async by default?
...ntil after N().)
Now imagine that this property of no longer knowing what order side effects happen in applies to every piece of code in your program except those that the optimizer manages to de-async-ify. Basically you have no clue anymore which expressions will be evaluate in what order, which ...