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Count(*) vs Count(1) - SQL Server
...e is a noticeable difference in performance or if this is just a legacy habit that has been brought forward from days gone past?
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What are all the valid self-closing elements in XHTML (as implemented by the major browsers)?
...;</br> all should work just fine. If they don't, then you have HTML with inappropriately added XHTML DOCTYPE.
DOCTYPE does not change how document is interpreted. Only MIME type does.
W3C decision about ignoring DOCTYPE:
The HTML WG has discussed this issue: the intention was to allow o...
Git diff against a stash
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See the most recent stash:
git stash show -p
See an arbitrary stash:
git stash show -p stash@{1}
From the git stash manpages:
By default, the command shows the diffstat, but it will accept any
format known to git diff (e.g., git stash show -p...
Why is JavaScript called JavaScript, since it has nothing to do with Java? [closed]
Since JavaScript is not derived from Java, why does it have "Java" in the name?
10 Answers
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How can I check for NaN values?
float('nan') results in Nan (not a number). But how do I check for it? Should be very easy, but I cannot find it.
17 Answe...
What's the difference if I put css file inside or ?
...rmally css files are put inside <head></head> , what if I put it inside <body></body> , what difference will it make?
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phantomjs not waiting for “full” page load
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Another approach is to just ask PhantomJS to wait for a bit after the page has loaded before doing the render, as per the regular rasterize.js example, but with a longer timeout to allow the JavaScript to finish loading additional resources:
page.open(address, function (...
Java Programming - Where should SQL statements be stored? [closed]
Where should an JDBC-compliant application store its SQL statements and why?
15 Answers
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C# Float expression: strange behavior when casting the result float to int
... you know that 6.2f * 10 is not exactly 62 due to floating point rounding (it's actually the value 61.99999809265137 when expressed as a double) and that your question is only about why two seemingly identical computations result in the wrong value.
The answer is that in the case of (int)(6.2f * 10...
Why can't a text column have a default value in MySQL?
If you try to create a TEXT column on a table, and give it a default value in MySQL, you get an error (on Windows at least). I cannot see any reason why a text column should not have a default value. No explanation is given by the MySQL documentation. It seems illogical to me (and somewhat frustrati...