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What's the equivalent of Java's Thread.sleep() in Objective-C/Cocoa?
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Sleeping is useful to me for testing purposes. I can simulate some network delays to make sure that my app responds properly. Currently I'm testing against a local web server, so everything is essentially instantaneous.
– brantonb
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Run task only if host does not belong to a group
...is a magic variable as documented here: https://docs.ansible.com/ansible/latest/user_guide/playbooks_variables.html#accessing-information-about-other-hosts-with-magic-variables :
group_names is a list (array) of all the groups the current host is in.
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Can Retrofit with OKHttp use cache data when offline
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The answer is YES, based on the above answers, I started writing unit tests to verify all possible use cases :
Use cache when offline
Use cached response first until expired, then network
Use network first then cache for some requests
Do not store in cache for some responses
I built a smal...
Shorthand way for assigning a single field in a record, while copying the rest of the fields?
...good job for lenses:
data Foo = Foo { a :: Int, b :: Int , c :: String }
test = Foo 1 2 "Hello"
Then:
setL c "Goodbye" test
would update field 'c' of 'test' to your string.
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Is there an advantage to use a Synchronized Method instead of a Synchronized Block?
...he other thread will block when it attempts to acquire the lock.
package test;
public class SynchTest implements Runnable {
private int c = 0;
public static void main(String[] args) {
new SynchTest().test();
}
public void test() {
// Create the object with the ...
How do I get ruby to print a full backtrace instead of a truncated one?
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caller(0,2) would return the two latest entries in the stacktrace. Nice for outputting abbreviated stacktraces.
– Magne
Jul 12 '17 at 9:14
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How to Compare Flags in C#?
....NET 4 there is a new method Enum.HasFlag. This allows you to write:
if ( testItem.HasFlag( FlagTest.Flag1 ) )
{
// Do Stuff
}
which is much more readable, IMO.
The .NET source indicates that this performs the same logic as the accepted answer:
public Boolean HasFlag(Enum flag) {
if (!t...
How can I remove a trailing newline?
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Try the method rstrip() (see doc Python 2 and Python 3)
>>> 'test string\n'.rstrip()
'test string'
Python's rstrip() method strips all kinds of trailing whitespace by default, not just one newline as Perl does with chomp.
>>> 'test string \n \r\n\n\r \n\n'.rstrip()
'test st...
Is there a CSS selector by class prefix?
...if any): in this case - "wildcard" indicates you're looking for ANY match.
test- : the value (assuming there is one) of the attribute - that contains the string "test-" (which could be anything)
So, for example:
[class*='test-'] {
color: red;
}
You could be more specific if you have good reas...
Relative URL to a different port number in a hyperlink?
....location.origin;
target.port = port[1];
}
}
}, false);
Tested in Firefox 4
Fiddle: http://jsfiddle.net/JtF39/79/
Update: Bug fixed for appending port to end of url and also added support for relative and absolute urls to be appended to the end:
<a href=":8080/test/blah"&g...