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How to make a variadic macro (variable number of arguments)
...u'd pay big bucks for a static analysis tool of C to do can be done with a bit of C++ know how and the compiler you already have...
– HostileFork says dont trust SE
Jul 27 '18 at 19:57
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Targeting position:sticky elements that are currently in a 'stuck' state
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A class works fine too, but this just seems a little bit higher level than that, since it is a derived property. An attribute seems more appropriate to me, but either way it's a matter of taste.
– rackable
Feb 23 at 18:34
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What's the best way to parse command line arguments? [closed]
...3) C library functions, and not very easy to use.
optparse, while being a bit more verbose, is much better structured and simpler to extend later on.
Here's a typical line to add an option to your parser:
parser.add_option('-q', '--query',
action="store", dest="query",
hel...
Swift equivalent for MIN and MAX macros
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SWIFT 4
Syntax changed a bit:
public func max<T>(_ x: T, _ y: T) -> T where T : Comparable
public func min<T>(_ x: T, _ y: T) -> T where T : Comparable
and
public func max<T>(_ x: T, _ y: T, _ z: T, _ rest: T...) -> T ...
How much is the overhead of smart pointers compared to normal pointers in C++?
...::make_shared()? Also, I find demonstrations of blatant misuse being bad a bit boring...
– Deduplicator
Dec 23 '17 at 19:32
2
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Fastest way to replace NAs in a large data.table
...would be along the columns and not down the rows. seq_len(col(DT)) a tiny bit more explicit for that reason.
– Matt Dowle
Jan 11 '17 at 22:47
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How to rename a file using Python
...rsion found here
Let's assume you are not in the root path (just to add a bit of difficulty to it) you want to rename, and have to provide a full path, we can look at this:
some_path = 'a/b/c/the_file.extension'
So, you can take your path and create a Path object out of it:
from pathlib import...
Convert columns to string in Pandas
...liseconds since epoch.
– Sussch
Jul 10 '19 at 5:41
1
@Sussch I suspect that's because json doesn'...
Optimal number of threads per core
...h data you read/write simultaneously (i.e. if you use SSE 4.2 and read 256 bits values, that stops all threads in their step... in other words, 1 thread is probably a lot easier to implement and probably nearly as speedy if not actually faster. This will depend on your process & memory architect...
In Python, if I return inside a “with” block, will the file still close?
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Perhaps taunting the snake a bit, but what if I return a generator expression from within the with block, does the guarantee hold for as long as the generator keeps yielding values? for as long as anything references it? I.e. do i need to use del or assi...