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How to print a debug log?
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+ oned for mentionning that, btw you can also set the value of error_log to 'php://stdout' when debugging a console app and have the error messages appear straight to console, ie: error_log("You messed up!", 3, "php://stdout")...
How to cast Object to its actual type?
... know the actual type, then: not really, no. You would have to instead use one of:
reflection
implementing a well-known interface
dynamic
For example:
// reflection
obj.GetType().GetMethod("MyFunction").Invoke(obj, null);
// interface
IFoo foo = (IFoo)obj; // where SomeType : IFoo and IFoo dec...
Wrapping chained method calls on a separate line in Eclipse for Java
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@ChristianGarcía +1 for the great answer. One observation from me (Eclipse neon): When I set Indent on column, it sometimes add extra space; for example session.createQuery becomes session .createQuery and so on. Reverting to the default option sorted the problem for...
How to beautify JSON in Python?
Can someone suggest how I can beautify JSON in Python or through the command line?
13 Answers
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Java: function for arrays like PHP's join()?
... edited Aug 26 '17 at 21:04
OneCricketeer
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answered Oct 4 '09 at 2:34
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How to get UTC timestamp in Ruby?
...f seconds since the Unix epoch« is a little missing the point, as that is one way of representing a point in time, but it also needs additional information to even know that you're dealing with a time and not a number. A Time object solves this problem nicely by representing a point in time and als...
Invalid date format specification in gemspec
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GaborKomaromi's answer below (or one of the finds.. in the comments) works. This one doesn't.
– gotofritz
Apr 2 '12 at 9:46
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How to print binary tree diagram?
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It is good for balanced trees as I tried it for one of the right-skewed trees of 15 values and it became very unmanageable to see the print.
– akhil_mittal
Jan 3 '15 at 8:20
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Checking if a variable is defined?
... If you want to set a variable if it doesn't exist and leave it alone if it does, see @danmayer's answer (involving the ||= operator) below.
– jrdioko
Jul 12 '11 at 21:29
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How do I create a comma-separated list from an array in PHP?
..., ', $fruit);
There is a way to append commas without having a trailing one. You'd want to do this if you have to do some other manipulation at the same time. For example, maybe you want to quote each fruit and then separate them all by commas:
$prefix = $fruitList = '';
foreach ($fruits as $fru...