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val-mutable versus var-immutable in Scala
...concurrency. And while we're at it, note the preferred use of synchronised vs @volatile vs something like AtomicReference: three tools
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Resetting generator object in Python
... too many values, that can be unpractical.
So you have the classic memory vs. processing tradeoff. I can't imagine a way of rewinding the generator without either storing the values or calculating them again.
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What is more efficient? Using pow to square or just multiply it with itself?
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I tested the performance difference between x*x*... vs pow(x,i) for small i using this code:
#include <cstdlib>
#include <cmath>
#include <boost/date_time/posix_time/posix_time.hpp>
inline boost::posix_time::ptime now()
{
return boost::posix_time::micro...
UnicodeDecodeError when reading CSV file in Pandas with Python
...python')
Alternate Solution:
Open the csv file in Sublime text editor or VS Code.
Save the file in utf-8 format.
In sublime, Click File -> Save with encoding -> UTF-8
Then, you can read your file as usual:
import pandas as pd
data = pd.read_csv('file_name.csv', encoding='utf-8')
and the ...
.append(), prepend(), .after() and .before()
... answered Dec 21 '14 at 12:57
VSri58VSri58
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What's the difference between a file descriptor and file pointer?
...ely available to Windows, e.g. msdn.microsoft.com/en-us/library/z0kc8e3z%28VS.80%29.aspx
– kennytm
Mar 11 '10 at 9:16
2
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OwinStartup not firing
...e I was able to do so before. I tried to open an app in a browser, then in VS2013 to use "Debug-> Attach to Process", and then to reload a page in a browser. VS didn't stop. I know that OWIN Startup is executing: I put some logging into it for debug purposes. It's like back in a dark age of inter...
How to name factory like methods?
... How would you rate from? E.g. taking a hypothetical Id.of("abc") vs Id.from("xyz") … or would from suggest more logic happening (i.e. parsing of the input, lookup/correlation from/with other data, …)? It is really difficult to search for "of vs from" :D
– knittl
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Change Git repository directory location.
...p result even when searching for Visual Studio Tools For Git (extension in VS 2012, native support in VS 2013).
Using the solutions above as a guide I determined that Visual Studio Git Tools makes moving repos (or even entire directory structure for all repos) locally very easy.
1) Close Visual ...
How do I convert a decimal to an int in C#?
...ch out: Convert has some surprising behaviour for certain conversion (null vs. 0 vs. ""). I'd recommend never using Convert unless you absolutely need its flexibility (i.e. in dynamically typed scenarios)
– Eamon Nerbonne
Mar 8 '12 at 15:13
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