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Is “inline” without “static” or “extern” ever useful in C99?
...e behavior is the same as if the call were made to another function, say
__func, with internal linkage. A conforming program must not depend on which function is
called. This is the inline model in the Standard.
A conforming program must not rely on the implementation using the inline defin...
Send message to specific client with socket.io and node.js
...ous> (C:\Users\Dev\Desktop\nouty-server\server.js:108:14) at Module._compile (module.js:460:26) at Object.Module._extensions..js (module.js:478:10) at Module.load (module.js:355:32) at Function.Module._load (module.js:310:12) at Function.Module.runMain (module.js:501:10) a...
Rolling or sliding window iterator?
...f window(seq, n=2):
it = iter(seq)
win = deque((next(it, None) for _ in xrange(n)), maxlen=n)
yield win
append = win.append
for e in it:
append(e)
yield win
In my tests it handily beats everything else posted here most of the time, though pillmuncher's tee versi...
What are unit tests, integration tests, smoke tests, and regression tests?
... located under myprj, I have the unit tests located under myprj/tests/test_module1.py, and my package located under myprj/mypkg. This works great for unit tests, but I wonder if there is any convention, I should follow for where the integration tests should reside?
– alpha_9...
How to read a large file - line by line?
...object, Python looks up in the list of object methods a special one called __iter__, which tells it what to do. File objects define this special method to return an iterator over the lines. (Roughly.)
– Katriel
Feb 10 '15 at 12:14
...
Database sharding vs partitioning
...ty reasons, as for load balancing.
https://en.wikipedia.org/wiki/Partition_(database)
Sharding is a type of partitioning, such as Horizontal Partitioning (HP)
There is also Vertical Partitioning (VP) whereby you split a table into smaller distinct parts. Normalization also involves this splitting...
How to prevent ifelse() from turning Date objects into numeric objects
...
You may use data.table::fifelse (data.table >= 1.12.3) or dplyr::if_else.
data.table::fifelse
Unlike ifelse, fifelse preserves the type and class of the inputs.
library(data.table)
dates <- fifelse(dates == '2011-01-01', dates - 1, dates)
str(dates)
# Date[1:5], format: "2010-12-31" "2...
How to fix the “java.security.cert.CertificateException: No subject alternative names present” error
...t browser validation for SSL protocols (Poodle vulnerability) gives me: ssl_error_no_cypher_overlap. Any ideas?
– will824
May 28 '15 at 22:34
...
AtomicInteger lazySet vs. set
...erve as a soft barrier costing 20 cycles on nehelem intel cpu)
on x86 (x86_64) such a barrier is much cheaper performance-wise than volatile or AtomicLong getAndAdd ,
In an one producer, one consumer queue scenario, xchg soft barrier can force the line of codes before the lazySet(sequence+1) for ...
How to disable/enable the sleep mode programmatically in iOS?
...back by overriding the viewWillDisappear:
override func viewWillDisappear(_ animated: Bool) {
UIApplication.shared.isIdleTimerDisabled = false
}
More about UIApplication Class.
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