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Delete sql rows where IDs do not have a match from another table
... Abel
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answered Aug 1 '10 at 23:23
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289k6868 g...
What is the format specifier for unsigned short int?
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4 Answers
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Remove whitespaces inside a string in javascript
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4 Answers
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Numbering rows within groups in a data frame
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284
Use ave, ddply, dplyr or data.table:
df$num <- ave(df$val, df$cat, FUN = seq_along)
or:
l...
What is the difference between “Form Controls” and “ActiveX Control” in Excel 2010?
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How to deny access to a file in .htaccess
...xt">
Order Allow,Deny
Deny from all
</Files>
For Apache 2.4+, you'd use:
<Files "log.txt">
Require all denied
</Files>
In an htaccess file in your inscription directory. Or you can use mod_rewrite to sort of handle both cases deny access to htaccess file as well a...
Bundle ID Suffix? What is it?
...y a period (.) — an App ID Prefix (your Team ID by default, e.g. ABCDE12345), and an App ID Suffix (a Bundle ID search string, e.g. com.mycompany.appname). [emphasis added]
So in this case the suffix is the full string com.awesomeapps.thebestapp.
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Disable all gcc warnings
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294
-w is the GCC-wide option to disable warning messages.
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How do I comment on the Windows command line?
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paxdiablopaxdiablo
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Programmatically creating Markdown tables in R with KnitR
...:|------------:|-------------:|
| 5,1| 3,5| 1,4|
| 4,9| 3,0| 1,4|
| 4,7| 3,2| 1,3|
| 4,6| 3,1| 1,5|
| 5,0| 3,6| 1,4|
| 5,4| 3,9| ...