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How to make a node.js application run permanently?
...ning in bg, it's stdout and stderr is still pointed at the terminal. This means that if the node server writes to console.log or console.error it will receive a broken pipe error and crash. This can be avoided by piping the output of your process:
node /srv/www/MyUserAccount/server/server.js >...
Pandas: create two new columns in a dataframe with values calculated from a pre-existing column
...meit df["A1"], df["A2"] = calculate(df['a'])
2.65 ms ± 92.4 µs per loop (mean ± std. dev. of 7 runs, 100 loops each)
%timeit df["A1"], df["A2"] = zip(*df["a"].apply(calculate))
159 ms ± 5.24 ms per loop (mean ± std. dev. of 7 runs, 10 loops each)
60x faster than zip
In general, avoid usin...
Using printf with a non-null terminated string
...t. Specifying a maximum length does not make NULL lose its "end-of-string" meaning for printf.
– DarkDust
Feb 17 '19 at 8:59
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show 3 more c...
Using -performSelector: vs. just calling the method
...nother difference: performSelector: and friends all take object arguments, meaning you can't use them to call (for example) setAlphaValue:, because its argument is a float.
– Chuck
Sep 29 '09 at 17:11
...
Error: 10 $digest() iterations reached. Aborting! with dynamic sortby predicate
...e html a few times until it gets 2 results that are identical. that is the meaning of the error 10 $digest() iterations reached, he tried 10 times and never got 2 identical results
– bresleveloper
Jan 7 '15 at 8:33
...
When should I use the assets as opposed to raw resources in Android?
...s
ID is then stored in the R class that will act as a reference to
a file, meaning it can be easily accessed from other Android classes
and methods and even in Android XML files. Using the automatically
generated ID is the fastest way to have access to a file in Android.
The assets folder is an “...
How to create enum like type in TypeScript?
...rs (numbers which represent some entity because the programmer has given a meaning to them in a certain context). Magic numbers are bad because of the following reasons:
We need to think harder, we first need to translate the number to an entity before we can reason about our code.
If we review ou...
Can a variable number of arguments be passed to a function?
...
The type of args is tuple. kwargs means keyword args. The type of kwargs is dictionary.
– RoboAlex
Feb 4 '19 at 7:36
1
...
Re-sign IPA (iPhone)
...
I mean distribution of 'enterprise' app IPAs as well @grez
– LearneriOS
Jul 21 '16 at 6:53
...
Transactions in REST?
...est headers would contain a transaction reference.
– meandmycode
Feb 24 '10 at 21:21
4
@meandmyco...