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Performance surprise with “as” and nullable types
...'m just revising chapter 4 of C# in Depth which deals with nullable types, and I'm adding a section about using the "as" operator, which allows you to write:
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How to redirect cin and cout to files?
How can I redirect cin to in.txt and cout to out.txt ?
5 Answers
5
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Convert pandas timezone-aware DateTimeIndex to naive timestamp, but in certain timezone
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To answer my own question, this functionality has been added to pandas in the meantime. Starting from pandas 0.15.0, you can use tz_localize(None) to remove the timezone resulting in local time.
See the whatsnew entry: http://pandas.pydata.org/pandas-docs/stable/whatsnew.html#timezone-hand...
argparse module How to add option without any argument?
...you already have in your code. You just have to replace the commented line and then you can access the value with args.simulate.
– Felix Kling
Mar 11 '11 at 10:34
add a commen...
Intersection and union of ArrayLists in Java
...ut using any third-party library. Main advantage over retainAll, removeAll and addAll is that these methods don't modify the original lists input to the methods.
public class Test {
public static void main(String... args) throws Exception {
List<String> list1 = new ArrayList<...
make_unique and perfect forwarding
Why is there no std::make_unique function template in the standard C++11 library? I find
6 Answers
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Make fill entire screen?
...height left my background white w/o the background-color applied when I expanded some collapsible divs in the middle of my page. min-height fixed that.
– Stephen P
Mar 9 '13 at 1:03
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Is it possible to solve the “A generic array of T is created for a varargs parameter” compiler warni
...uestion, one generic class uses another class with generic type parameters and needs to pass one of the generic types to a method with varargs parameters:
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How to add extension methods to Enums
...xisting classes in a way other people on your team might actually discover and use. Given that enums are classes like any other it shouldn’t be too surprising that you can extend them, like:
enum Duration { Day, Week, Month };
static class DurationExtensions
{
public static DateTime From(this...
Error handling in Bash
What is your favorite method to handle errors in Bash?
The best example of handling errors I have found on the web was written by William Shotts, Jr at http://www.linuxcommand.org .
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