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How do I view the type of a scala expression in IntelliJ
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Select expression and type Alt + =.
If you want to change the shortcut go to Preferences > Keymap and enter "Type Info" in the search field.
In older versions, it's Shift + Ctrl + Alt + T.
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Show the progress of a Python multiprocessing pool imap_unordered call?
... @HananShteingart: It works fine on my system (Ubuntu) with both Python 2 and 3. I've used def do_word(*a): time.sleep(.1) as an example. If it doesn't work for you then create a complete minimal code example which demonstrates your issue: describe using words what do you expect to happen and what ...
Entity Framework is Too Slow. What are my options? [closed]
I have followed the "Don't Optimize Prematurely" mantra and coded up my WCF Service using Entity Framework.
13 Answers
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How to use enums as flags in C++?
...expression HasClaws | CanFly? This is not what enums are for. Use integers and constants.
– Lightness Races in Orbit
Mar 27 '15 at 17:49
27
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How to check if all list items have the same value and return it, or return an “otherValue” if they
..., otherwise I need to use an “otherValue”. I can’t think of a simple and clear way of doing this.
9 Answers
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Enum type constraints in C# [duplicate]
... 's? I'm sure there is a method behind the madness, but I'd like to understand why it's not possible.
6 Answers
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Rails render partial with block
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You can use the capture helper, and even inline in the render call :
<%= render 'my_partial',
:locals => { :title => "Some Title" },
:captured => capture { %>
<p>Here is some content to be rendered inside the ...
Find objects between two dates MongoDB
... good explanation on the matter, but below is something I tried out myself and it seems to work.
items.save({
name: "example",
created_at: ISODate("2010-04-30T00:00:00.000Z")
})
items.find({
created_at: {
$gte: ISODate("2010-04-29T00:00:00.000Z"),
$lt: ISODate("2010-05-0...
Find which commit is currently checked out in Git
...er ~ (c1abcde...) $
Option 4: git status
Also as of Git version 1.8.3+ (and possibly earlier, again not sure), running git status will also show you what commit you have checked out during a bisect and when you're in detached HEAD state:
$ git status
# HEAD detached at c1abcde <== RIGHT HERE
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How to strip all whitespace from string
...egex is cached, so it's not as slow as you'd imagine. Compiling it beforehand helps some, but would only matter in practice if you call this many times:
$ python -m timeit -s 'import re; e = re.compile(r"\s+")' 'e.sub("", " \t foo \n bar ")'
100000 loops, best of 3: 7.76 usec per loop
Even thoug...