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If list index exists, do X
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Thus, a list has an index i if and only if the length of the list is at least i + 1.
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How do I get currency exchange rates via an API such as Google Finance? [closed]
...ee feed that I know of. It contains approx 28 currencies and is updated at least daily.
http://www.ecb.int/stats/eurofxref/eurofxref-daily.xml
For more formats and tools see the ECB reference page:
http://www.ecb.int/stats/exchange/eurofxref/html/index.en.html
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Reshape three column data frame to matrix (“long” to “wide” format) [duplicate]
...g in a way that is clear to future analysts (including future you) and the least susceptible to human coding mistakes. Although that will depend on your strengths and needs, generally this is considered one of the strengths of the new tidyverse set of packages. Another consideration (though not real...
When do you use the “this” keyword? [closed]
.... Coincidentally, it will probably also cause the other guy to grumble the least. If your code works, is easy to read, and is well factored, the other guy isn't going to be scrutinizing how you initialize fields. He's just going to use your code, marvel at it's greatness, and then move on to somethi...
Why are arrays of references illegal?
...), and your last line assumes an int can hold a pointer (usually false, at least where I work). But this is the only answer here with a legitimate rationale for why arrays of references are forbidden, so +1
– Nemo
Apr 19 '17 at 22:46
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Why is IntelliJ 13 IDEA so slow after upgrading from version 12?
...er and setting the max heap to 8 GB (was 512 MB) and the Max PermGen to at least 1GB (was 300MB).Example below:
-Xms128m
-Xmx8192m
-XX:MaxPermSize=1024m
Upon restart it was much faster.
For IntelliJ 2020 going back to 2017 on Mac
/Applications/IntelliJ IDEA.app/Contents/bin/idea.vmoptions
On a...
Embedding DLLs in a compiled executable
...t that it will get deleted while your program is accessing the dll, but at least its a nuisance. AppData is good location). Also note that you have to write the bytes each time, you cant load from location just 'cos the dll already resides there.
For managed dlls, you need not write bytes, but dire...
use Winmerge inside of Git to file diff
... parameter (first pass of git diff, to copy the files) 2/ is the script at least called back at the end of the git diff?
– VonC
Sep 16 '10 at 4:24
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How to split a column into two columns?
... situations will happen in case you have mixed types in the column with at least one cell containing any number type. Then the split method returns NaN and the tolist method will return this value as is (NaN) which will result in ValueError (to overcome this issue you can cast it to string type befo...
What are JavaScript's builtin strings?
...s [a-z], and spaces. The string length is limited mostly with your RAM (at least the body of my answer was successfully obfuscated). The output is supported by Chrome, Firefox, and IE.
Hint: the tool uses different obfuscation approach than was presented above.
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