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BigDecimal setScale and round
What is the difference between this two call? (Is there any?)
2 Answers
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Can I change the name of `nohup.out`?
...&1 redirects stderr to the same output file as stdout which is in this case nohup2.out
– ismail
Dec 28 '10 at 21:28
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How SignalR works internally?
Can anyone let me know how SignalR works internally in a high level way?
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Change how fast “title” attribute's tooltip appears
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Note that this applies to all elements that have a 'title' attribute.
You can modify the selector to affect only a class, and set custom speed or effect:
$('.yourClass').tooltip({show: {effect:"none", delay:0}});
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In Gradle, is there a better way to get Environment Variables?
... this is better than the answer: stackoverflow.com/a/9856769/689223, because it returns null instead of "null" in case it does not exist.
– Ricardo Freitas
Sep 2 '16 at 13:40
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Newline in markdown table?
..., but after trial and error, it seems an HTML line break is needed in this case.
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running Rails console in production
...w I have a problem. When I run the project in development mode on my IDE I can run the console to something like:
6 Answers...
How to prepend a string to a column value in MySQL?
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You can use the CONCAT function to do that:
UPDATE tbl SET col=CONCAT('test',col);
If you want to get cleverer and only update columns which don't already have test prepended, try
UPDATE tbl SET col=CONCAT('test',col)
WHERE c...
Size of font in CSS with slash
...ation:
The syntax of this property is based on a traditional typographical shorthand notation to set multiple properties related to fonts.
As David M said in the comments, it mirrors the typesetting tradition of specifying typeface sizes as “x pt on y pt” to denote the glyph size on li...
Are nullable types reference types?
...able struct.
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Nullable types represent value-type variables that can be assigned the value of null. You cannot create a nullable type based on a reference type. (Reference types already support the null value.)
So, no they're not reference types.
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