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How do I generate random integers within a specific range in Java?
...ialize a java.util.Random instance, which can be a source of confusion and error if used inappropriately.
However, conversely there is no way to explicitly set the seed so it can be difficult to reproduce results in situations where that is useful such as testing or saving game states or similar. ...
Make a div into a link
...00%;
height:100%;
top:0;
left: 0;
z-index: 1;
/* fixes overlap error in IE7/8,
make sure you have an empty gif */
background-image: url('empty.gif');
}
It will now cover the panel, and as it's inside an <A> tag, it's a clickable link
give any other links inside the pan...
Do spurious wakeups in Java actually happen?
...ngroup.org/onlinepubs/7908799/xsh/… "These functions will not return an error code of [EINTR]."
– gub
Aug 11 '14 at 17:57
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Setting the correct encoding when piping stdout in Python
...citly print with a given encoding every time. That would be repetitive and error-prone.
A better solution is to change sys.stdout at the start of your program, to encode with a selected encoding. Here is one solution I found on Python: How is sys.stdout.encoding chosen?, in particular a comment by ...
Copying PostgreSQL database to another server
...d the database on the new machine (But blank) I got a LOT of duplicate key errors. However, it is a dev environment and they didn't hurt anything.
– Chris Mendla
Apr 4 '19 at 3:47
...
Create instance of generic type in Java?
...crete (we leave out abstract), why will new Foo<Bar>(); result in an error, while new Foo<Bar>(){}; doesn't? (Exception: "Class cannot be cast to ParameterizedType")
– Tim Kuipers
Dec 22 '13 at 14:52
...
Remove rows with duplicate indices (Pandas DataFrame and TimeSeries)
...
I tried this but could not get it to work.. I get an error like this: TypeError: 'Series' objects are mutable, thus they cannot be hashed.. Did this actually work for you?
– Onno Eberhard
Sep 3 '19 at 13:45
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How to do an update + join in PostgreSQL?
...
Your first SQL example has a syntax error. "update t1" cannot use the alias from the t subquery, it needs to use the table name: "update table1". You do this correctly in your second example.
– EricS
Nov 18 '19 at 21:05
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How do you make sure email you send programmatically is not automatically marked as spam?
...sible bounce mails ("Returned to sender")? You can also set up a separate "errors-to" address.
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How to check if a stored procedure exists before creating it
...t is still in use by other people, systems, or threads. Tracking down the errors caused by momentarily dropping a stored procedure can be quite vexing because they are very difficult to reproduce.
– James
Dec 4 '14 at 22:51
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