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How to use enums in C++
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@TitoneMaurice: If you have an enum, you can use no scope, or the global scope (::Saturday). If you have an enum class (which is a very different thing), then you have to use Days::Saturday.
– Mooing Duck
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How can I delete a newline if it is the last character in a file?
...nt prev } { prev=$0 } END { ORS=""; print }' in.txt
Printing is delayed by one line so that the final line can be handled in the END block, where it is printed without a trailing \n due to setting the output-record separator (OFS) to an empty string.
If you want a verbose, but fast and robust solut...
What does -> mean in Python function definitions?
...n values.
There's no preconceived use case, but the PEP suggests several. One very handy one is to allow you to annotate parameters with their expected types; it would then be easy to write a decorator that verifies the annotations or coerces the arguments to the right type. Another is to allow par...
Using regular expressions to parse HTML: why not?
... would look like the great code Chtulhu and would probably summon the real one as well. And in the end it still won't work for all cases. They say that if you write a regular expression that can correctly parse any HTML the universe will collapse onto itself.
– Alex Paven
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How can I stop .gitignore from appearing in the list of untracked files?
...is local to the repository. If you add a commit hook to your repo, and someone clone your repo, they won't get the commit hook, for example.
– August Lilleaas
Mar 13 '10 at 6:51
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text-overflow:ellipsis in Firefox 4? (and FF5)
The text-overflow:ellipsis; CSS property must be one of the few things that Microsoft has done right for the web.
5 Answe...
Android: How to turn screen on and off programmatically?
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I would suggest this one:
PowerManager.WakeLock wl = pm.newWakeLock(PowerManager.SCREEN_BRIGHT_WAKE_LOCK | PowerManager.ACQUIRE_CAUSES_WAKEUP, "tag");
wl.acquire();
The flag ACQUIRE_CAUSES_WAKEUP is explained like that:
Normal wake locks d...
How to solve java.lang.NoClassDefFoundError?
... This answer is not correct the way you write it. Correct would be: "ONE possible cause of this error is...." But there may be other reasons why you get this error for example when loading a JAR file at runtime with a classloader.
– Elmue
Feb 23 '17 at 3:...
Git authentication fails after enabling 2FA
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You need to generate an access token. You can create one by going to your settings page.
Use this access token as your password in the command line.
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Django: Display Choice Value
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Just to note, for anyone using Jinja2 for their templates, you should include the parentheses. {{ person.get_gender_display() }}
– adam b
Mar 10 '16 at 16:27
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