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How slow are .NET exceptions?
...hey're not logical. For instance, int.TryParse is entirely appropriate for converting data from a user. It's appropriate when reading a machine-generated file, where failure means "The file isn't in the format it's meant to be, I really don't want to try to handle this as I don't know what else migh...
Convert PEM to PPK file format
Is there a way to convert PEM files to PPK files? (you may guess that Amazon EC2 gives me a PEM file, and I need to use the PPK format for SSH connectivity).
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How to read values from properties file?
... How do we use aaa? Is it @Value(${aaa}) private String aaa; then we can System.out.println(aaa)???????
– user1685185
Feb 13 '14 at 5:19
2
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How do I convert dates in a Pandas data frame to a 'date' data type?
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The pandas timestamp have both date and time. Do you mean convert it into python date object?
– waitingkuo
May 31 '13 at 8:42
7
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How to get current date & time in MySQL?
...g / search / comparison performance.
UNIX_TIMESTAMP()
One can always convert to human readable formats afterwards, internationalizing as is individually most convenient.
FROM_ UNIXTIME (unix_timestamp, [format ])
sha...
Java String remove all non numeric characters
...() are duplicates. Also if you see an answer in comment you can ask mod to convert it to an answer or even add an answer on your own - answers in comments are discouraged on StackOverlow.
– Boris Treukhov
Jan 31 '18 at 17:20
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Clear variable in python
...ed (import os) are going to remain imported because they are referenced by sys.modules; subsequent imports will reuse the already imported module object. You just won't have a reference to them in your current global namespace.
Please reconsider this answer!
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Get program execution time in the shell
...cute PIPELINE and print a summary of the real time, user CPU time,
and system CPU time spent executing PIPELINE when it terminates.
The return status is the return status of PIPELINE. The `-p' option
prints the timing summary in a slightly different format. This uses
the value of t...
Java: when to use static methods
... definitely be static.
So in a class Car you might have a method:
double convertMpgToKpl(double mpg)
...which would be static, because one might want to know what 35mpg converts to, even if nobody has ever built a Car. But this method (which sets the efficiency of one particular Car):
void set...
How to schedule a periodic task in Java?
...nitialDelay. (I think the internal ScheduledExecutorService implementation converts DAYS to nanoseconds anyway).
– Sam Barnum
Mar 21 '19 at 17:02
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