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Why is exception.printStackTrace() considered bad practice?
...System.err PrintStream. The System.err stream and the underlying standard "error" output stream of the JVM process can be redirected by
invoking System.setErr() which changes the destination pointed to by System.err.
or by redirecting the process' error output stream. The error output stream may b...
Unbound classpath container in Eclipse
... out a project using Subversive for Eclipse and I am getting the following errors:
13 Answers
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Rails update_attributes without save?
..., :is_admin => true }) # Raises an ActiveModel::MassAssignmentSecurity::Error
user.assign_attributes({ :name => 'Bob'})
user.name # => "Bob"
user.is_admin? # => false
user.new_record? # => true
share...
How to Flatten a Multidimensional Array?
...rge', []) (notice the empty array) returns null and triggers a php warning error. It's a slick solution if you know for a fact your array won't be empty, but that's not a common assumption many can make.
– goat
Jan 15 '15 at 6:42
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How to tell if a string is not defined in a Bash shell script
...o use a default value, ${foo:=default} to assign the default value, ${foo:?error message} to display an error message if foo is unset, etc.
– Jouni K. Seppänen
Oct 23 '08 at 4:54
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How do I check if file exists in jQuery or pure JavaScript?
...ajax({
url:'http://www.example.com/somefile.ext',
type:'HEAD',
error: function()
{
//file not exists
},
success: function()
{
//file exists
}
});
EDIT:
Here is the code for checking 404 status, without using jQuery
function UrlExists(url)
{
var...
Maximum size of a element
...
I've ran into out of memory errors on Firefox with canvas heights greater than 8000, chrome seems to handle much higher, at least to 32000.
EDIT: After running some more tests, I've found some very strange errors with Firefox 16.0.2.
First, I seem to...
How do you set the Content-Type header for an HttpClient request?
... I will eventually figure out what object type "req" is ... by trial and error........BUT it would be great to show that. Thank you for your consideration.
– granadaCoder
Dec 21 '18 at 15:38
...
Could not instantiate class named MKMapView
...
I just searched for MapKit.framework, added it to the project, and the error went away.
I haven't added any map code yet (although I do have a MapViewDelegate connected in IB), but it's working fine so far!
share
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#1071 - Specified key was too long; max key length is 1000 bytes
...e do read on. I've read thoroughly all the other questions/answers on this error before posting.
7 Answers
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