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What causes javac to issue the “uses unchecked or unsafe operations” warning
... Just to point out, this is not collections specific. You get the error because Java compiler can't ensure type safety in general. For example, same warning is produced with the following code: AbstractMap.SimpleEntry<String, String> entry = new AbstractMap.SimpleEntry("hello", "world...
Should try…catch go inside or outside a loop?
...pletely out of the picture unless a throw occurs, then the location of the error is compared against the table.
Here's a reference: http://www.javaworld.com/javaworld/jw-01-1997/jw-01-hood.html
The table is described about half-way down.
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HTML5 form required attribute. Set custom validation message?
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I tried this but there is still an error. If you leave the field empty it shows the message, then enter something in the field but it now shows an empty message and the action isn't executed. If you now click the button again, it will go through.
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jQuery Validate Plugin - Trigger validation of single field
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This solution validate the whole form, showing the error messages for all fields.
– Pablo
Apr 21 '15 at 13:21
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Why does Google prepend while(1); to their JSON responses?
...t without any processing, resulting in either an infinite loop or a syntax error.
This does not address the issue of cross-site request forgery.
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Entity Framework: “Store update, insert, or delete statement affected an unexpected number of rows (
...populate a grid control. Sometimes when I make updates I get the following error:
45 Answers
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git push fails: RPC failed; result=22, HTTP code = 411
...arge set of changes to a Git repository with HTTP or HTTPS, you may get an error message such as error: RPC failed; result=22, HTTP code = 411. This is caused by a Git configuration default which limits certain HTTP operations to 1 megabyte.
To change this limit run within your local repository
gi...
In Python how should I test if a variable is None, True or False
...simulate(open("myfile"))
except SimulationException as sim_exc:
print "error parsing stream", sim_exc
else:
if result:
print "result pass"
else:
print "result fail"
# execution continues from here, regardless of exception or not
And now you can have a much richer type ...
npm throws error without sudo
...ever I try to search or install something with npm it throws the following error, unless I sudo the command. I have a feeling this is a permissions issue? I am already the admin.
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What scalability problems have you encountered using a NoSQL data store? [closed]
...ded database for I now use Redis. e.g. To get a real-time combined rolling error log for all our services (which has notoriously been a hard task for us), is now accomplished with only a couple of lines by just pre-pending the error to a Redis server side list and then trimming the list so only the ...