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Maven command to list lifecycle phases along with bound goals?
...es and all parent POMs expanded. This helps to understand what Maven sees. From that, it's pretty simple to find all the additional goals (which usually aren't that many).
The bigger problem is the implicit goals (i.e. when a plugin hooks itself to some phases of the lifecycle automatically). There...
Get event listeners attached to node using addEventListener
...d, there was no such ability in Dev tools. So, there was nothing to choose from.
– Rantiev
Jun 12 '14 at 19:26
It is d...
Splitting on first occurrence
...
From the docs:
str.split([sep[, maxsplit]])
Return a list of the words in the string, using sep as the delimiter string. If maxsplit is given, at most maxsplit splits are done (thus, the list will have at most maxsplit+1 ele...
Setting an object to null vs Dispose()
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It's important to separate disposal from garbage collection. They are completely separate things, with one point in common which I'll come to in a minute.
Dispose, garbage collection and finalization
When you write a using statement, it's simply syntactic sug...
How to flatten only some dimensions of a numpy array
...)
# One shape dimension can be -1.
# In this case, the value is inferred from
# the length of the array and remaining dimensions.
>>> another_arr = arr.reshape(-1, arr.shape[-1])
>>> another_arr.shape
# (5000, 25)
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Is gcc std::unordered_map implementation slow? If so - why?
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Is there anything in the delta from 4.6 that would cause that?
– Mark Canlas
Jul 24 '12 at 16:38
30
...
How to hash a string into 8 digits?
.... These days, in most circumstances, it's probably also better to shy away from sha-1 and use something like sha-256, instead. So, the hashlib approach would be:
>>> import hashlib
>>> s = 'your string'
>>> int(hashlib.sha256(s.encode('utf-8')).hexdigest(), 16) % 10**8
80...
micro:bit 实验06 - 拧旋钮控制屏幕，读模拟量 · App Inventor 2 中文网
... 官方教程原文：”the data range of micro:bit analog input pin
is from 0 to 255”。不是 Arduino 那种 0~1023，别照抄。
映射到坐标时要减掉精灵自身宽度，否则拧到底时蜜蜂有一半在屏幕外。
第 3 步：读数太抖就滤一下
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What is a unix command for deleting the first N characters of a line?
...haracters
file.txt: input file
new_file.txt: output file
N-: Characters from N to end to be cut and output to the new file.
Can also have other args like: 'N' , 'N-M', '-M' meaning nth character, nth to mth character, first to mth character respectively.
This will perform the operation to each ...
converting drawable resource image into bitmap
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How is yours different from AndyW solution ? it is the same!
– Fahad Alduraibi
Feb 16 '16 at 21:54
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