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Passing data between controllers in Angular JS?
... Cart controller will update once when getProducts() is called? Or every time new product is added?
– kishanio
Nov 24 '13 at 22:02
1
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Does a C# app track how long its been running?
And if it does, is there an easy way to get the total time since it started?
3 Answers
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Python __str__ versus __unicode__
Is there a python convention for when you should implement __str__() versus __unicode__() . I've seen classes override __unicode__() more frequently than __str__() but it doesn't appear to be consistent. Are there specific rules when it is better to implement one versus the other? Is it ne...
Common programming mistakes for Clojure developers to avoid [closed]
...s:
; Project Euler #3
(defn p3
([] (p3 775147 600851475143 3))
([i n times]
(if (and (divides? i n) (fast-prime? i times)) i
(recur (dec i) n times))))
When in fact loop would have been more concise and idiomatic for this particular function:
; Elapsed time: 387 msecs
(defn p3 [] ...
Round a double to 2 decimal places [duplicate]
...oubles to 2 or 3 decimal places happily for years (for example to clean up time in seconds for logging purposes: 27.987654321987 -> 27.99). But I guess it's best to avoid it, since more reliable ways are readily available, with cleaner code too.
So, use this instead
(Adapted from this answer b...
Java Singleton and Synchronization
...e, and it will only be loaded when it is needed. That means that the first time getInstance is called, InstanceHolder will be loaded and instance will be created, and since this is controlled by ClassLoaders, no additional synchronization is necessary.
...
How can I listen for a click-and-hold in jQuery?
...
var timeoutId = 0;
$('#myElement').on('mousedown', function() {
timeoutId = setTimeout(myFunction, 1000);
}).on('mouseup mouseleave', function() {
clearTimeout(timeoutId);
});
Edit: correction per AndyE...thanks!
Edit...
jQuery callback on image load (even when the image is cached)
...
I would add a setTimeout(function(){//do stuff},0) within the 'load' function ... the 0 gives the browser system (DOM) one extra tick to ensure that everything is properly updated.
– dsdsdsdsd
Jul 13 '13...
Join vs. sub-query
...735921 Only if the performance gains are worth the increase in maintenance time required in the future
– Joshua Schlichting
Feb 28 '18 at 14:01
3
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How can I remove the first line of a text file using bash/sed script?
...s with OS X by default). When I switched to GNU tail, the tail call was 10 times faster than the sed call (and the GNU sed call, too). AaronDigulla is correct here, if you're using GNU.
– Dan Nguyen
Aug 18 '16 at 20:59
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