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Finding duplicate values in MySQL
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Superior to @levik's answer since it doesn't add an extra column. Makes it useful for use with IN()/NOT IN().
– wmassingham
Nov 24 '15 at 20:42
add a co...
Why does Javascript getYear() return 108?
...s a young inexperienced programmer, it blew my mind that we'd paid so much extra for a "professional" job, and those people hadn't even bothered to read the documentation. It was the beginning of many years of disillusionment; now I'm old and cynical. :)
In the year 2000, the annual YAPC Perl conf...
Making git diff --stat show full file path
...although I suspect you'll be fine either way. Note that you need the same extra text with --stat when using git diff-tree. The essential difference between using the git diff "porcelain" front end, and the git diff-tree plumbing command, is that git diff looks up your configured settings for optio...
Unsafe JavaScript attempt to access frame with URL
...hinder the browser itself and makes web apps less useful by introducing an extra step. You can still do all this stuff if you load through ajax, rewrite links, and post back. If that doesn't work, remote rpc it through php or whatever language. It's absurd that this is even an issue for the average ...
Mac zip compress without __MACOSX folder?
...mpress files with the built in zip compressor in Mac OSX, it results in an extra folder titled "__MACOSX" created in the extracted zip.
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Best way to test if a row exists in a MySQL table
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Suggest you not to use Count because count always makes extra loads for db use SELECT 1 and it returns 1 if your record right there otherwise it returns null and you can handle it.
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How to reshape data from long to wide format
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And, as of data.table v1.9.6 we can cast on multiple columns
## add an extra column
dat1[, value2 := value * 2]
## cast multiple value columns
dcast(dat1, name ~ numbers, value.var = c("value", "value2"))
# name value_1 value_2 value_3 value_4 value2_1 value2_2 value2_3 ...
Is it valid to have a html form inside another html form?
...d with "form" attribute ("form owner").
As for HTML 4.x you can:
Use an extra form(s) with only hidden fields & JavaScript to set its input's and submit the form.
Use CSS to line up several HTML form to look like a single entity - but I think that's too hard.
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twitter bootstrap navbar fixed top overlapping site
...nder the responsive CSS import, then I still get the body padding, plus an extra line in the menu bar.
– slothbear
May 19 '13 at 3:03
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Python memory leaks [closed]
...bably give you some more hints too. You should also take a look on all the extra helpers provided by pyrasite (such as the memory viewer).
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