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How to correct TypeError: Unicode-objects must be encoded before hashing?
...dbits(256)).encode('utf-8')).hexdigest()
'cd183a211ed2434eac4f31b317c573c50e6c24e3a28b82ddcb0bf8bedf387a9f'
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How to make a great R reproducible example
...thing on larger objects, you can try
my.df2 <- data.frame(a = sample(10e6), b = sample(letters, 10e6, replace = TRUE))
If you're working with spatial data via the raster package, you can generate some random data. A lot of examples can be found in the package vignette, but here's a small nugge...
Arduino101(Genuino 101)&App Inventor – RGB LED控制 - 创客硬件开...
繁体中文原文:https://blog.cavedu.com/2017/02/ ... %e6%8e%a7%e5%88%b6/
本文將介紹如何取得觸碰點的 RGB 參數之後透過 BLE 送給 Arduino 101 來點亮 RGB LED。
App InventorDesigner使用 Canvas 來取得觸碰點座標。兩個連線斷線用的按鈕:Btn_Connect /&n...
How to group dataframe rows into list in pandas groupby?
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EdChumEdChum
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Comparing Dates in Oracle SQL
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31-DEC-95 isn't a string, nor is 20-JUN-94. They're numbers with some extra stuff added on the end. This should be '31-DEC-95' or '20-JUN-94' - note the single quote, '. This will enable you to do a string comparison.
However, you'...
How do I convert a pandas Series or index to a Numpy array? [duplicate]
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The answer by cs95 gives a great explanation of .values, .to_numpy() and .array.
– AMC
Jan 9 at 21:49
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What's the best way to inverse sort in scala?
... answered Oct 18 '11 at 5:52
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Multiple working directories with Git?
...placement for contrib/workdir/git-new-workdir: git worktree
See commit 68a2e6a by Junio C Hamano (gitster).
The release note mentions:
A replacement for contrib/workdir/git-new-workdir that does not rely on symbolic links and make sharing of objects and refs safer by making the borrowee and borrowe...
How do I exchange keys with values in a dictionary?
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@CarlMeyer additionally for n > 1e6 (or 1e9) the memory usage will also be really large... and also slow this down a bunch.
– Trevor Boyd Smith
Nov 29 '18 at 17:39
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Check if a key exists inside a json object
...nger_id":"59b64a2ad328b62e41f9050d",
"started_ride":"1",
"bus_id":"59b8f920e6f7b87b855393ca",
"route_id":"59b1333c36a6c342e132f5d5",
"start_location":"",
"stop_location":""
}
elementCheck(objarray,function(list){
console.log("list");
)
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