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Which comment style should I use in batch files?
...some batch files, and I ran into this user guide , which has been quite informative. One thing it showed me was that lines can be commented not just with REM , but also with :: . It says:
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SQL Server SELECT INTO @variable?
...IMIT, and Oracle uses ROWNUM. See w3schools.com/sql/sql_top.asp for more information.
– Tyler
Jul 7 '17 at 12:08
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Difference between jQuery `click`, `bind`, `live`, `delegate`, `trigger` and `on` functions (with an
...d via .unbind().
Yet another common use for .live() and .delegate() is performance. If you're dealing with lots of elements, attaching a click handler directly to each element is expensive and time consuming. In these cases it's more economical to setup a single handler and let bubbling do the wo...
Finding diff between current and last version
... I quite like git diff HEAD^ (rather than the equivalent HEAD~ form). It's a tad easier to remember for an "old git" like myself ;-)
– sxc731
Jul 12 '16 at 15:44
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rsync: difference between --size-only and --ignore-times
...mpare the static checksum of source and destination.
These checks are performed before transferring data. Notably, this means the static checksum is distinct from the stream checksum - the later is computed while transferring data.
By default, rsync uses only 1 and 2. Both 1 and 2 can be acquired...
How to convert JSON to XML or XML to JSON?
I started to use Json.NET to convert a string in JSON format to object or viceversa. I am not sure in the Json.NET framework, is it possible to convert a string in JSON to XML format and viceversa?
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Equivalent of varchar(max) in MySQL?
...data page an overflow page is allocated and the previous page points to it forming a linked list. Unlike TEXT, NTEXT, and BLOB the varchar(max) column type supports all the same query semantics as other column types.
So varchar(MAX) really means varchar(AS_MUCH_AS_I_WANT_TO_STUFF_IN_HERE_JUST_KEEP_G...
Getting a better understanding of callback functions in JavaScript
... you cast callback to string and then check its type? Will this enhance performance? This is like checking the type, checking if the converted boolean returns true and then checking its type again and testing it against the string... Could you explain why?
– headacheCoder
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What does the exclamation mark mean in a Haskell declaration?
...lly, it means that it must be evaluated to what's called "weak head normal form" when the data structure value is created. Let's look at an example, so that we can see just what this means:
data Foo = Foo Int Int !Int !(Maybe Int)
f = Foo (2+2) (3+3) (4+4) (Just (5+5))
The function f above, when...
How can I comment a single line in XML?
... in itself, but I've never used such tools. I just want to make sure the information isn't lost over time). I've personally never had to deal with XML enough to justify having an editor fancier than Notepad++, so this is totally up to you.
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