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Replace one character with another in Bash
...lexity is worse than linear. A small test: x="$(tr -dc 'a-z \n' </dev/urandom | head -c1M)"; time y="$(tr ' ' \\- <<< "$x")"; time z="${x// /-}". With a string length of 1M (=2^20) tr took 0.04s and bash 5.0.11 took 17s. With 2M tr took 0.07s (expected) but bash took 69s (4 times as lon...
Converting Epoch time into the datetime
... is equilvalent to the Zulu timezone (+00:00). You can read more here: timeanddate.com/time/zones/z
– Devnetics
Jan 10 '17 at 20:36
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Scala how can I count the number of occurrences in a list
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I had the same problem as Sharath Prabhal, and I got another (to me clearer) solution :
val s = Seq("apple", "oranges", "apple", "banana", "apple", "oranges", "oranges")
s.groupBy(l => l).map(t => (t._1, t._2.length))
With as result :
Map(banana -> 1, ora...
What framework for MVVM should I use? [closed]
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It really depends on what you are trying to achieve, and how much infrastructure you want in place already, plus the ease with which you can find samples that help you out. I'm going to declare an interest here, because I've been actively involved in at least one MVVM framework...
Split string every nth character?
... This is a really great answer because its not convoluted in any way and that fact allows you to remember the method easily due to its simplicity
– Trevor Rudolph
Feb 26 '14 at 0:22
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What is in your .vimrc? [closed]
Vi and Vim allow for really awesome customization, typically stored inside a .vimrc file. Typical features for a programmer would be syntax highlighting, smart indenting and so on.
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Generic type parameter naming convention for Java (with multiple chars)?
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By convention, type parameter names are single, uppercase letters. This stands in sharp contrast to the variable naming conventions that you already know about, and with good reason: Without this convention, it would be difficult to tell the difference between a type variable and an ordinary class ...
Convert UTC datetime string to local datetime
I've never had to convert time to and from UTC. Recently had a request to have my app be timezone aware, and I've been running myself in circles. Lots of information on converting local time to UTC, which I found fairly elementary (maybe I'm doing that wrong as well), but I can not find any informat...
Get a random boolean in python?
I am looking for the best way (fast and elegant) to get a random boolean in python (flip a coin).
8 Answers
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Maximum value for long integer
...t; type(sys.maxsize+1)
<type 'long'>
for integers we have
maxint and maxsize:
The maximum value of an int can be found in Python 2.x with sys.maxint. It was removed in Python 3, but sys.maxsize can often be used instead. From the changelog:
The sys.maxint constant was removed, since t...