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IN clause and placeholders
... filter empty IN lists, in those cases, the "IN?" is replaced with "1" for now.
– SandWyrm
Jul 3 '13 at 21:19
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Why is my variable unaltered after I modify it inside of a function? - Asynchronous code reference
...being assigned or passed as an argument. That is what we call a callback.
Now the question is, when is that callback called?
It depends on the case. Let's try to trace some common behavior again:
img.onload may be called sometime in the future, when (and if) the image has successfully loaded.
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How to convert hex to rgb using Java?
...16. I tested this with "000", "aaa", and "fff", and they all work properly now.
– Andrew
Apr 14 '16 at 16:04
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Unmarshaling nested JSON objects
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Yes. With gjson all you have to do now is:
bar := gjson.Get(json, "foo.bar")
bar could be a struct property if you like. Also, no maps.
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ValueError: setting an array element with a sequence
...itrary Python objects:
numpy.array([1.2, "abc"], dtype=object)
Without knowing what your code shall accomplish, I can't judge if this is what you want.
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How to execute a Ruby script in Terminal?
... (Ruby, Rails, Homebrew, Git, etc), and I've even written a small program. Now, how do I execute it in Terminal? I wrote the program in Redcar and saved it as a .rb, but I don't know how to execute it through Terminal. I want to run the program and see if it actually works. How do I do this?
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The most sophisticated way for creating comma-separated Strings from a Collection/Array/List?
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Note: This answers was good when it was written 11 years ago, but now there are far better options to do this more cleanly in a single line, both using only Java built-in classes or using a utility library. See other answers below.
Since strings are immutable, you may want to use the Str...
Convert timestamp to date in MySQL query
...ly the content was a timestamp (1328649722), so that's why it didn't work. Now everything is good with FROM_UNIXTIME!
– remyremy
Feb 13 '12 at 17:55
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Smarty中date_format日期格式化详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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date_default_timezone_set('Asia/Shanghai');
//输出echo strtotime('now')，结果如：1245763672
//可知strtotime('now')返回的是时间戳
//也可是从数据库得到的时间戳
$time = time();
echo 'php格式化输出:<br />';
echo '昨天：'.date('Y-m-d H:i:s', strt...
How do I best silence a warning about unused variables?
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C++17 now provides the [[maybe_unused]] attribute.
http://en.cppreference.com/w/cpp/language/attributes
Quite nice and standard.
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