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Why are C character literals ints instead of chars?
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answered Jan 11 '09 at 23:21
MalxMalx
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How do I get the path of the current executed file in Python?
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80
You can't directly determine the location of the main script being executed. After all, sometim...
Renaming files in a folder to sequential numbers
... let, and printf for the padding:
a=1
for i in *.jpg; do
new=$(printf "%04d.jpg" "$a") #04 pad to length of 4
mv -i -- "$i" "$new"
let a=a+1
done
using the -i flag prevents automatically overwriting existing files.
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Is there a rule-of-thumb for how to divide a dataset into training and validation sets?
...for how to best divide data into training and validation sets? Is an even 50/50 split advisable? Or are there clear advantages of having more training data relative to validation data (or vice versa)? Or is this choice pretty much application dependent?
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How to avoid using Select in Excel VBA
...t rng = Range("NamedRange")
or a multi-cell range
Set rng = Range("A1:B10")
Set rng = Range("A1", "B10")
Set rng = Range(Cells(1,1), Cells(10,2))
Set rng = Range("AnotherNamedRange")
Set rng = Range("A1").Resize(10,2)
You can use the shortcut to the Evaluate method, but this is less efficient a...
I want to get Year, Month, Day, etc from Java Date to compare with Gregorian Calendar date in Java.
...nt day = cal.get(Calendar.DAY_OF_MONTH);
// etc.
Beware, months start at 0, not 1.
Edit: Since Java 8 it's better to use java.time.LocalDate rather than java.util.Calendar. See this answer for how to do it.
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What is the “continue” keyword and how does it work in Java?
... placeholder in order to make an empty loop body more clear.
for (count = 0; foo.moreData(); count++)
continue;
The same statement without a label also exists in C and C++. The equivalent in Perl is next.
This type of control flow is not recommended, but if you so choose you can also use cont...
Removing multiple files from a Git repo that have already been deleted from disk
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2310
For Git 1.x
$ git add -u
This tells git to automatically stage tracked files -- including del...
How to exit from Python without traceback?
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10 Answers
10
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Use rvmrc or ruby-version file to set a project gemset with RVM?
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mpapismpapis
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