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Differences between Java 8 Date Time API (java.time) and Joda-Time
...u003cpath fill-rule=\"evenodd\" clip-rule=\"evenodd\" d=\"M25.6622 17.6335C27.8049 17.6335 29.3739 16.9402 30.2537 15.6379C30.8468 14.7755 30.9615 13.5579 30.9615 11.9512V6.59049C30.9615 5.28821 30.4833 4.66231 29.4502 4.66231C28.9913 4.66231 28.4555 4.94978 28.1109 5.50789C27.499 4.86533 26.7335 4....
Can you “ignore” a file in Perforce?
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community wiki
21 revs, 2 users 98%Colonel Panic
2
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What is the difference between call and apply?
...ly. I can't tell you exactly why.
See jsPerf, http://jsperf.com/test-call-vs-apply/3
[UPDATE!]
Douglas Crockford mentions briefly the difference between the two, which may help explain the performance difference... http://youtu.be/ya4UHuXNygM?t=15m52s
Apply takes an array of arguments, while C...
Why start an ArrayList with an initial capacity?
...aranteed to run in O(1).
1000000 + 1000000 = 2000000 operations
Java vs C#
Java is as above, starting at 10 and increasing each resize at 50% + 1. C# starts at 4 and increases much more aggressively, doubling at each resize. The 1000000 adds example from above for C# uses 3097084 operations.
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How do I get the path of the current executed file in Python?
...e not so small... might be a load immediate or something even faster for 0 vs a load global for _?) Debatable whether it's cleaner or easier to read or even more clever/obscure.
– ArtOfWarfare
Dec 22 '17 at 22:19
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Why shouldn't I use PyPy over CPython if PyPy is 6.3 times faster?
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answered Sep 22 '13 at 17:27
Tritium21Tritium21
2,5871616 silver badges2727 bronze badges
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How do you build a Singleton in Dart?
...are singleton patterns. It's really a question of syntax "new Singleton()" vs "singleton". I find the latter more clear. Dart's factory constructors are useful, but I don't think this is a good use case for them. I also think Dart's lazy initialisation is a great feature, which is underused. Also re...
Best way to serialize an NSData into a hexadeximal string
.... I profiled this with a 2MB file on my iPhone 5. Time comparison was 0.05 vs 12 seconds. Memory footprint is negligible with this method while the other method grew the heap to 70MBs!
- (NSString *) hexString
{
NSUInteger bytesCount = self.length;
if (bytesCount) {
const char *hexC...
Representational state transfer (REST) and Simple Object Access Protocol (SOAP)
...less debates on REST vs SOAP on google.
My favorite is this one.
Update 27 Nov 2013: Paul Prescod's site appears to have gone offline and this article is no longer available, copies though can be found on the Wayback Machine or as a PDF at CiteSeerX.
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tomcat - CATALINA_BASE and CATALINA_HOME variables
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CATALINA_HOME vs CATALINA_BASE
If you're running multiple instances, then you need both variables, otherwise only CATALINA_HOME.
In other words: CATALINA_HOME is required and CATALINA_BASE is optional.
CATALINA_HOME represents the root ...