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Setting an image for a UIButton in code
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Before this would work for me I had to resize the button frame explicitly based on the image frame size.
UIImage *listImage = [UIImage imageNamed:@"list_icon.png"];
UIButton *listButton = [UIButton buttonWithType:UIButtonTypeCustom];
// get the image size and apply it to the button frame
CGRect l...
How do I remove/delete a virtualenv?
...u are using. virtualenv, venv, Anaconda environment, pyenv, pipenv are all based the same principle here.
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Uninitialized constant ActiveSupport::Dependencies::Mutex (NameError)
...r if you are using rvm (ideal when needing to go back and support old code bases!): rvm rubygems 1.5.3
– tardate
Oct 3 '11 at 23:59
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Array_merge versus + [duplicate]
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In our code base we stopped using + and array_merge for arrays, instead using two new functions we wrote. "array_merge_by_key" and "array_concat" instead of a single function with a heuristic that tries to guess at what you want
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Could not reliably determine the server's fully qualified domain name
...hat httpd can not find a FQDN, so it might not work right to handle a name-based virtual host. So make sure the expected FQDN is registered in your DNS server, or manually add the entry in /etc/hosts which is prior to hitting DNS.
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Calling a function on bootstrap modal open
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You can use the shown event/show event based on what you need:
$( "#code" ).on('shown', function(){
alert("I want this to appear after the modal has opened!");
});
Demo: Plunker
Update for Bootstrap 3.0
For Bootstrap 3.0 you can still use the shown event but ...
How to initialize an array in Java?
...ou can only access data[0] to data[9] because index of arrays in Java is 0-based). Accessing data[10] will throw an ArrayIndexOutOfBoundsException.
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Mod in Java produces negative numbers [duplicate]
...er calculation on most CPUs. Or, if you want to conditionally add a value based on whether an int is negative or not, try (maybeNegative >> 31) ^ thingToMaybeAdd + thingToAddTo
– Scott Carey
Sep 28 '18 at 17:26
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SQL Inner-join with 3 tables?
....studentid = hp.studentid
INNER JOIN halls h
on hp.hallid = h.hallid
Based on your request for multiple halls you could do it this way. You just join on your Hall table multiple times for each room pref id:
SELECT s.StudentID
, s.FName
, s.LName
, s.Gender
, s.BirthDate
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How to convert an int to a hex string?
...hex representations of integers, so it's not entirely clear what you need. Based on the description you gave, I think one of these snippets shows what you want.
>>> chr(0x65) == '\x65'
True
>>> hex(65)
'0x41'
>>> chr(65) == '\x41'
True
Note that this is quite differen...