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How to enumerate an enum
...
It looks to me like you really want to print out the names of each enum, rather than the values. In which case Enum.GetNames() seems to be the right approach.
public enum Suits
{
Spades,
Hearts,
Clubs,
Diamonds,
NumSuits
}
public...
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::microsec_clock::local_t...
Retrieving the text of the selected in element
...b's answer below for a nice HTML5 one-liner.
– Christallkeks
Jan 17 '18 at 0:42
1
@Christallkeks ...
Where is Java's Array indexOf?
I must be missing something very obvious, but I've searched all over and can't find this method.
13 Answers
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Serializing an object as UTF-8 XML in .NET
...o a string again, so its no longer in UTF-8, but back in UTF-16 (though ideally its best to consider strings at a higher level than any encoding, except when forced to do so).
To get the actual UTF-8 octets you could use:
var serializer = new XmlSerializer(typeof(SomeSerializableObject));
var mem...
What do the crossed style properties in Google Chrome devtools mean?
... a style exists in an matching rule but is commented out, or if you've manually disabled it by unchecking it within the Chrome developer tools. It will also show as crossed out, but with an error icon, if the style has a syntax error.)
For example, if a background color was applied to all divs, but...
How to get element by innerText
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@AutoSponge Actually innerHTML is standard. innerText does not work in FF
– AnaMaria
Aug 8 '13 at 9:04
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How to break out of nested loops?
...ested loops:
use goto
use flags
factor out loops into separate function calls
Couldn't resist including xkcd here :)
source
Goto's are considered harmful but as many people in the comments suggest it need not be. If used judiciously it can be a great tool. Anything used in moderation is fun....
Heroku “psql: FATAL: remaining connection slots are reserved for non-replication superuser connectio
I'm developing an app on Heroku with a Postgresql backend. Periodically, I get this error message when trying to access the database, both from the CLI and from loading a page on the server:
...
How do I make Git ignore file mode (chmod) changes?
...it handles the
executable bit correctly and this variable is automatically
set as necessary.
A repository, however, may be on a filesystem that handles
the filemode correctly, and this variable is set to true when
created, but later may be made accessible from another
envir...