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How can I test that a value is “greater than or equal to” in Jasmine?
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109
I figured I should update this since the API has changed in newer versions of Jasmine. The Ja...
Run Java Code Online [closed]
...it indefinetely
– ren
Apr 27 '16 at 10:04
I don't want to add "restrictions", maybe in the future i will add warnings ...
How does one reorder columns in a data frame?
... df <- df[cols]
– kasterma
Jun 10 '14 at 12:49
14
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What's the algorithm to calculate aspect ratio?
... the highest number that evenly divides both numbers. So the GCD for 6 and 10 is 2, the GCD for 44 and 99 is 11.
For example, a 1024x768 monitor has a GCD of 256. When you divide both values by that you get 4x3 or 4:3.
A (recursive) GCD algorithm:
function gcd (a,b):
if b == 0:
return...
How to return multiple values? [duplicate]
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answered Dec 19 '11 at 6:10
Aravind YarramAravind Yarram
72.5k4242 gold badges205205 silver badges292292 bronze badges
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App Inventor 2 物联网入门的两个方向：BLE直连硬件 vs MQTT云端通信，你的...
...络 | 不需要，离线可用 | 需要 WiFi/4G 联网
• 传输距离 | 10-30米（经典范围） | 理论上全球可达
• 硬件成本 | 低（BLE模块约15-30元） | 较高（WiFi模块+服务器）
• 功耗 | 极低（纽扣电池可工作数月） | 中等（WiFi模块耗电大）
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Get last n lines of a file, similar to tail
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def tail( f, lines=20 ):
total_lines_wanted = lines
BLOCK_SIZE = 1024
f.seek(0, 2)
block_end_byte = f.tell()
lines_to_go = total_lines_wanted
block_number = -1
blocks = [] # blocks of size BLOCK_SIZE, in reverse order starting
# from the end of the file
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is it possible to `git status` only modified files?
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edited Jan 19 '19 at 22:10
answered Apr 4 '12 at 20:26
Li...
How can I reliably get an object's address when operator& is overloaded?
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102
Update: in C++11, one may use std::addressof instead of boost::addressof.
Let us first copy...