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What tools are there for functional programming in C?
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You can use GCC's nested functions to simulate lambda expressions, in fact, I have a macro to do it for me:
#define lambda(return_type, function_body) \
({ \
return_type anon_func_name_ function_body \
anon_func_name_; \
})
Use like this:
int (*max)(int, int) = la...
How do I POST JSON data with cURL?
...e. However, I want to test it with cURL. I am trying to post a JSON data. Example data is like this:
24 Answers
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How do I loop through a date range?
... you could hit every other day, every third day, only weekdays, etc. For example, to return every third day starting with the "start" date, you could just call AddDays(3) in the loop instead of AddDays(1).
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How to make/get a multi size .ico file? [closed]
...e in a cross-platform desktop application (so that, e.g. on Windows, the 16x16 size is used for the app's top bar but a 32x32 size version is used when the various open apps are shown when using Alt-Tab). Once I have that .ico file, I know how to use it within my widget toolkit to get this effect, ...
What is the Scala annotation to ensure a tail recursive function is optimized?
...on of the bytecode, to work out whether a method has been optimised.
Example:
you could add a @tailrec annotation so that you can be sure that your changes have worked.
import scala.annotation.tailrec
class Factorial2 {
def factorial(n: Int): Int = {
@tailrec def factorialAcc(acc: ...
Compare equality between two objects in NUnit
...o the guidelines here: msdn.microsoft.com/en-us/library/336aedhh(VS.80).aspx
– Michael Haren
Nov 25 '08 at 17:50
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How do I uninstall nodejs installed from pkg (Mac OS X)?
...here. Also, being a n00b to running .sh scripts myself, I had to $ chmod u+x uninstall-node.sh and then $ ./uninstall-node.sh before it worked for me. :)
– mhulse
Feb 19 '13 at 18:32
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How can I start an interactive console for Perl?
...ugger on a trivial program, like so:
perl -de1
Alternatively there's Alexis Sukrieh's Perl Console application, but I haven't used it.
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Pipe output and capture exit status in Bash
I want to execute a long running command in Bash, and both capture its exit status, and tee its output.
15 Answers
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Is it safe to parse a /proc/ file?
...code if you assume too much about the consistency of a file in /proc. For example, see this bug which came from assuming that /proc/mounts was a consistent snapshot.
For example:
/proc/uptime is totally atomic, as someone mentioned in another answer -- but only since Linux 2.6.30, which is less t...