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How do I assign an alias to a function name in C++?
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Excellent, how about C++98? I have a class w/2 "reset" overloads used to set & reset. Internally, no problem. For external users I wanted to alias as "set" so it's intuitive for context (set a default-constructed, clear()'d etc.; reset working object). Class methods: (1...
How do I check if a property exists on a dynamic anonymous type in c#?
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public static bool IsPropertyExist(dynamic settings, string name)
{
if (settings is ExpandoObject)
return ((IDictionary<string, object>)settings).ContainsKey(name);
return settings.GetType().GetProperty(name) != null;
}
var settings = new {...
Remove Select arrow on IE
...e, Firefox, Opera, Internet Explorer 10+
For these browser, it is easy to set the same background image for the drop-down in order to have the same arrow.
To do so, you have to reset the browser's default style for the select tag and set new background rules (like suggested before).
select {
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How to change a command line argument in Bash?
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You have to reset all arguments. To change e.g. $3:
$ set -- "${@:1:2}" "new" "${@:4}"
Basically you set all arguments to their current values, except for the one(s) that you want to change. set -- is also specified by POSIX 7.
The "${...
Foreign Key to non-primary key
...erformance (as noted above). Does anyone foresee any problems with such a setup?
– Daniel Macias
Oct 19 '15 at 5:54
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Chmod recursively
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You can use chmod with the X mode letter (the capital X) to set the executable flag only for directories.
In the example below the executable flag is cleared and then set for all directories recursively:
~$ mkdir foo
~$ mkdir foo/bar
~$ mkdir foo/baz
~$ touch foo/x
~$ touch foo/y
~...
Performance - Date.now() vs Date.getTime()
...frozen at the time of its construction (or at whatever time/date it's been set to). That is, if you do this:
var now = new Date();
and then wait a while, a subsequent call to now.getTime() will tell the time at the point the variable was set.
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How to get error message when ifstream open fails
...use of errno.
On system with POSIX standard:
errno is thread-local; setting it in one thread does not affect its
value in any other thread.
Edit (thanks to Arne Mertz and other people in the comments):
e.what() seemed at first to be a more C++-idiomatically correct way of implementing ...
setTimeout / clearTimeout problems
...inactivity (user not clicking anywhere). I use jQuery for the rest but the set/clear in my test function are pure javascript.
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Android ClickableSpan not calling onClick
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Have you tried setting the MovementMethod on the TextView that contains the span? You need to do that to make the clicking work...
tv.setMovementMethod(LinkMovementMethod.getInstance());
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