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Detecting programming language from a snippet
...e snippet into words. Then you compare the occurences of these words with known snippets, and compute the probability that this snippet is written in language X for every language you're interested in.
http://en.wikipedia.org/wiki/Bayesian_spam_filtering
If you have the basic mechanism then it's v...
pandas three-way joining multiple dataframes on columns
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This is decent advice and has now been incorporated into pandas merging 101 (see the section on merging multiple dataframes). It's worth noting that if your join keys are unique, using pd.concat will result in simpler syntax: pd.concat([df.set_index('name...
Effective method to hide email from spam bots
... @Templar The SSI isn't necessary, nor does it confuse bots as far as I know. It makes (made) my site modular (don't really use this method anymore). The comment was citing the source of where I found the hack (now a broken link). The change in case is just a fluke. If it confuses bots, all the be...
Custom UITableViewCell from nib in Swift
...r custom cell in your .xib file. Have a look at this video if you need to know more about Auto layout.
– Imanou Petit
Aug 28 '14 at 12:29
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Linux: copy and create destination dir if it does not exist
... might have a shell that doesn't support this construct. However, I don't know of any modern shells that don't support $_; certainly Bash, Dash, and zsh all do.
A final note: the command I've given at the start of this answer assumes that your directory names don't have spaces in. If you're deali...
Terminating a script in PowerShell
... it was a keyword and found no official documentation on it. Looking at it now however, I do not know how I came to that conclusion. Clearly it is a keyword (technet.microsoft.com/en-us/library/hh847744.aspx). Perhaps because Exit is one of the only keywords that doesn't have its own about_ help top...
Better to 'try' something and catch the exception or test if it's possible first to avoid an excepti
... I think it's pretty clear this isn't what he was asking, and he's now edited the post to make it even more clear.
– agf
Sep 30 '11 at 0:31
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What are database normal forms and can you give examples? [closed]
...es |
IT103 | 2009-2 | 120 | 242 | Mrs Smith |
Now hopefully it should be obvious that TeacherName is dependent on TeacherID - so this is not in 3NF. To fix this, we do much the same as we did in 2NF - take the TeacherName field out of this table, and put it in its own, w...
MYSQL OR vs IN performance
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I needed to know this for sure, so I benchmarked both methods. I consistenly found IN to be much faster than using OR.
Do not believe people who give their "opinion", science is all about testing and evidence.
I ran a loop of 1000x the ...
Make an HTTP request with android
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Note: The Apache HTTP Client bundled with Android is now deprecated in favor of HttpURLConnection. Please see the Android Developers Blog for more details.
Add <uses-permission android:name="android.permission.INTERNET" /> to your manifest.
You would then retrieve a web...