大约有 5,229 项符合查询结果(耗时:0.0169秒) [XML]
What is the best way to compare floats for almost-equality in Python?
...ark Ransom
260k3737 gold badges328328 silver badges564564 bronze badges
27
...
What are all the common undefined behaviours that a C++ programmer should know about? [closed]
... amount greater than or equal to the number of bits in the number (e.g. int64_t i = 1; i <<= 72 is undefined)
Types, Cast and Const
Casting a numeric value into a value that can't be represented by the target type (either directly or via static_cast)
Using an automatic variable before it has...
vbscript output to console
...
64
This was found on Dragon-IT Scripts and Code Repository.
You can do this with the following an...
How to find and return a duplicate value in array
...y contains 100 elements:
benchmark(100, 0)
0 duplicates
Running each test 64 times. Test will take about 2 seconds.
Cary_set is similar to Cary_diff
Cary_diff is similar to Ryan
Ryan is similar to Sergio
Sergio is faster than Chris by 4x ± 1.0
Chris is faster than Naveed by 2x ± 1.0
benchmark(10...
How to list branches that contain a given commit?
...
64
Add a -a parameter to also check remote branches.
– Raman
Jan 25 '12 at 23:45
...
Why does Clojure have “keywords” in addition to “symbols”?
...
Brian CarperBrian Carper
64.9k2525 gold badges154154 silver badges164164 bronze badges
...
What's the difference between libev and libevent?
...ng small watchers for each event type (an I/O watcher uses 56 bytes on x86_64 compared to 136 for libevent), allowing extra event types such as timers based on wallclock vs. monotonic time, inter-thread interruptions, prepare and check watchers to embed other event loops or to be embedded and so on....
Do declared properties require a corresponding instance variable?
...using the Modern Objective-C Runtime (that's either iOS 3.x or greater, or 64-bit Snow Leopard or greater) then you do not need to define ivars for your properties in cases like this.
When you @synthesize the property, the ivar will in effect be synthesized also for you. This gets around the "fragi...
How to sort a dataframe by multiple column(s)
...
Ari B. FriedmanAri B. Friedman
64.3k3131 gold badges164164 silver badges225225 bronze badges
...
How to compute the similarity between two text documents?
...
<5x5 sparse matrix of type '<class 'numpy.float64'>'
with 17 stored elements in Compressed Sparse Row format>
You can convert the sparse array to a NumPy array via .toarray() or .A:
>>> pairwise_similarity.toarray() ...