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Oracle Differences between NVL and Coalesce
...AS val
FROM dual
CONNECT BY
level <= 10000
)
This runs for almost 0.5 seconds, since it generates SYS_GUID()'s, despite 1 being not a NULL.
SELECT SUM(val)
FROM (
SELECT COALESCE(1, LENGTH(RAWTOHEX(SYS_GUID()))) AS val
FROM dua...
How can I process each letter of text using Javascript?
...es seem to be a minor difference, at least in Edge (0.7ms difference for a 10000 element array): jsfiddle.net/carcigenicate/v8vvjoc1/1. Probably not a perfect test, but it's based of an average of 10000 tests.
– Carcigenicate
Mar 6 '16 at 20:09
...
What does |= (ior) do in Python?
...s (0b denotes binary):
>>> bin(a)
'0b1010'
>>> bin(b)
'0b10000'
(2) Apply a bitwise OR operation to each column (0 when both are 0, else 1):
01010
10000
-----
11010
(3) Return the result in the given type, e.g. base 10, decimal:
>>> int(0b11010)
26
The internal binary c...
Why doesn't requests.get() return? What is the default timeout that requests.get() uses?
... complete. You can trace the socket syscalls with strace -ff -e network -s 10000 -- curl -vLk '<your url>' command. For python, strace -ff -e network -s 10000 -- python3 <your python script> command can be used.
...
How to avoid reverse engineering of an APK file?
...t of in game currency the user has in SharedPreferences. Let's assume it's 10000 coins. Instead of saving 10000 directly, save it using an algorithm like ((currency*2)+1)/13. So instead of 10000, you save 1538.53846154 into the SharedPreferences. However, the above example isn't perfect, and you'll ...
拉里佩奇23条箴言帮你度过创业低谷 - 资讯 - 清泛网 - 专注C/C++及内核技术
...化给人们使用。”
每个人都被安利过托马斯·爱迪生的10000次灯泡发明失败的故事。我认为这个关于“失败”的故事没什么特别,因为这是所有科学家都在做的事情。但是他真正的伟大之举是说服了纽约市政府去使用他发明的灯...
Twitter bootstrap 3 two columns full height
...ght of header or simple 100%. I'm tried this trick, only with values like 10000px, -10000px. But thanks for your answer.
– uladzimir
Oct 8 '13 at 6:52
...
What is the runtime performance cost of a Docker container?
...hmark docker Memcached
4 Threads
50 Connections per thread
10000 Requests per thread
Type Ops/sec Hits/sec Misses/sec Latency KB/sec
------------------------------------------------------------------------
Sets 16821.99 --- --- ...
How do I tell matplotlib that I am done with a plot?
...y=10, ls="-")
plt.savefig("first.ps")
plt.figure()
x = [10,100]
y = [10, 10000]
plt.loglog(x, y, basex=10, basey=10, ls="-")
plt.savefig("second.ps")
Or subplot(121) / subplot(122) for the same plot, different position.
import matplotlib
import matplotlib.pyplot as plt
import matplotlib.mlab as...
Compare if two variables reference the same object in python
...rings that are equal but not stored at the same location, for example ''a'*10000 is 'a' * 10000 is False.
– Jochen Ritzel
Apr 10 '17 at 13:43
1
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