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Logical Operators, || or OR?
...ber reading a while back in regards to logical operators that in the case of OR , using || was better than or (or vice versa).
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Vagrant error: NFS is reporting that your exports file is invalid
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Thanks I'm still finishing the next installation steps, but it looks like that worked.
– Hunter
Dec 23 '13 at 0:09
3
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Call apply-like function on each row of dataframe with multiple arguments from each row
...ataframe with multiple columns. For each row in the dataframe, I want to call a function on the row, and the input of the function is using multiple columns from that row. For example, let's say I have this data and this testFunc which accepts two args:
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Fastest way to tell if two files have the same contents in Unix/Linux?
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Why don't you get the hash of both files content?
Try this script, call it for example script.sh and then run it as follows: script.sh file1.txt file2.txt
#!/bin/bash
file1=`md5 $1`
file2=`md5 $2`
if [ "$file1" = "$file2" ]
then
echo "Files have the same content"
else
echo "Files h...
Breaking out of nested loops [duplicate]
Is there an easier way to break out of nested loops than throwing an exception? (In Perl, you can give labels to each loop and at least continue an outer loop.)
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How can I split a string into segments of n characters?
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This is technically the better answer as it will grab all the text from a string that's not evenly divisible by 3 (it will grab the last 2 or 1 characters).
– Erik
Jun 7 '11 at 0:36
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Can a recursive function be inline?
...torial(x3 - 1);
}
}
}
}
In this case, we've basically inlined the function 3 times. Some compilers do perform this optimization. I recall MSVC++ having a setting to tune the level of inlining that would be performed on recursive functions (up to 20, I believe).
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NullPointerException in Java with no StackTrace
...a NullPointerException , but when I try to log the StackTrace (which basically ends up calling Throwable.printStackTrace() ), all I get is:
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How can one pull the (private) data of one's own Android app?
...Android 4.4.2) Which is the same effect as when the manifest shows android:allowBackup="false"
– Someone Somewhere
Jun 5 '14 at 0:27
2
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Gradient borders
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That link doesn't mention border-image at all... :/
– aaaidan
Dec 5 '12 at 2:28
6
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