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A positive lambda: '+[]{}' - What sorcery is this? [duplicate]
...
Yes, the code is standard conforming. The + triggers a conversion to a plain old function pointer for the lambda.
What happens is this:
The compiler sees the first lambda ([]{}) and generates a closure object according to §5.1.2. As the lambda is a non-...
Code Golf: Lasers
...dish s///e with side effects. In the golfed code, the tr is written in the form y''' which allows me to skip backslashing one backslash.
die "true\n" if />x/; die "false\n" if />#/;
Terminate with the right message if we hit the target or a wall.
$s = $1 if s/>(.)/$s$d{$1}/;
If there'...
Python ValueError: too many values to unpack [duplicate]
... Your tip helped me to solve my problem, when updating a dictionary of the form { 'longkey_n' : [ 'value_1', 'value_n' ] } :-D. My program also complained about too many values...
– Semo
May 18 '17 at 10:32
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Make error: missing separator
... outside of any target.
UPD. To run command globally one must be properly formed. For example command
ln -sf ../../user/curl/$SRC_NAME ./$SRC_NAME
would become:
$(shell ln -sf ../../user/curl/$(SRC_NAME) ./$(SRC_NAME))
...
How to do two-way filtering in AngularJS?
... a convenient way to apply, for example, culture-specific currency or date formatting of a model's properties. It is also nice to have computed properties on the scope. The problem is that neither of these features work with two-way databinding scenarios - only one-way databinding from the scope to ...
How do I tell Maven to use the latest version of a dependency?
... Maven super POM. You can do this with either "-Prelease-profile" or "-DperformRelease=true"
It's worth emphasising that any approach that allows Maven to pick the dependency versions (LATEST, RELEASE, and version ranges) can leave you open to build time issues, as later versions can have differe...
What kinds of patterns could I enforce on the code to make it easier to translate to another program
...u need symbol tables and flow analysis to do good program analysis or transformation. ASTs are necessary but not sufficient. This is the reason that Aho&Ullman's compiler book doesn't stop at chapter 2. (The OP has this right in that he is planning to build additional machinery beyond the AS...
ServiceStack vs ASP.Net Web API [closed]
...ctices remote services
ServiceStack has a primary focus on simplicity, performance and in promoting web/remote service best-practices centered around embracing Martin Fowlers remote-service design patterns in as idiomatic C# as possible:
The Facade Pattern - Which suggests the usage of batchful, ...
Convert to/from DateTime and Time in Ruby
...r code above, simply replace d = DateTime.now with d = DateTime.new(2010,01,01, 10,00,00, Rational(-2, 24)). tt will now show the date d converted into your local timezone. You can still do date arithmetics and all but the original tz info is lost. This info is a context for the date and it ...
Is file append atomic in UNIX?
...l also need to call fsync(2) after every write, but that's terrible for performance.
Clarification: read the comments and Oz Solomon's answer. I'm not sure that O_APPEND is supposed to have that PIPE_BUF size atomicity. It's entirely possible that it's just how Linux implemented write(), or it may ...