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C++ static virtual members?
Is it possible in C++ to have a member function that is both static and virtual ? Apparently, there isn't a straightforward way to do it ( static virtual member(); is a compile error), but is there at least a way to achieve the same effect?
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Is there a way to “autosign” commits in Git with a GPG key?
...e a requirement that I use the same form of my name in
my git repository and my gpg key.
Further I might have multiple keys in my keyring, and might want to use one that doesn't match up with the address I use in commit messages.
This patch adds a configuration entry "user.signingKey" which...
How do you calculate log base 2 in Java for integers?
...o completely get rid of errors I had to add epsilon which is between 1e-11 and 1e-14.
Could you have told this before testing?
I definitely could not.
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Escape regex special characters in a Python string
...o write ([\"]) as a plain string, you'd need to
double all the backslashes and write '([\\"])'. Raw strings are friendlier when
you're writing regular expressions.
In the substitution pattern, you need to escape \ to distinguish it from a
backslash that precedes a substitution group, e.g. \1, hence ...
Saving timestamp in mysql table using php
...t on an INT field. Anyway, a timestamp is only a representation of a date, and vice versa. You can convert from timestamp to date with the function jimy told you, and the other way with strtotime. edit: btw, timestamp only covers a range of all possible dates (1970-01-01 to xx-xx-2032 I think)
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Convert string to Python class object?
... open to anything. If you have malicious, evil users who might maliciously and evilly pass bad values to eval, they can just edit the python source. Since they can just edit the python source, the door is, was, and always will be open.
– S.Lott
Sep 19 '13 at 12...
Find maximum value of a column and return the corresponding row values using Pandas
...ut the length of the dataFrame & that index which satisfies the right hand side of the expression( .max()) returns the index, which in turn calls the complete row of that dataFrame
– penta
Feb 22 '19 at 5:28
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Python Remove last 3 characters of a string
...racters are so I can't use rstrip , I also need to remove any white space and convert to upper-case
10 Answers
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Convert string to nullable type (int, double, etc…)
...tring.IsNullOrWhiteSpace() if you use .Net4
– Sergej Andrejev
Nov 12 '10 at 12:57
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@andrefadila ...
Generate fixed length Strings filled with whitespaces
... Java 1.5 we can use the method java.lang.String.format(String, Object...) and use printf like format.
The format string "%1$15s" do the job. Where 1$ indicates the argument index, s indicates that the argument is a String and 15 represents the minimal width of the String.
Putting it all together: ...