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Why is String.chars() a stream of ints in Java 8?
...or unboxing within an inner loop, you'd see that it can impose significant CPU and garbage collection overhead.
When designing the Streams API, it was clear that we had to support primitives. The boxing/unboxing overhead would kill any performance benefit from parallelism. We didn't want to support...
Android Game Keeps Getting Hacked [closed]
... anything that can be read can also be decompiled, it just a matter of CPU power and stubborness. Obfuscation still lets the code run so while decompiling/deobfuscating the code, the cracker can still compare the running version with the original. It might delay the cracker or stop the less exp...
Fastest hash for non-cryptographic uses?
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if you have the benefit/luxury of a newer Intel cpu, there is a crc32c assembly command that is...probably really fast (though isn't the traditional crc32 value). See also xxhash code.google.com/p/xxhash
– rogerdpack
Dec 2 '13 at 20:...
Encrypting & Decrypting a String in C# [duplicate]
...tions was 1000, but the parameter is intended to be increased over time as CPU speeds increase. As of 2005 a Kerberos standard recommended 4096 iterations, Apple iOS 3 used 2000, iOS 4 used 10000, while in 2011 LastPass used 5000 iterations for JavaScript clients and 100000 iterations for server-sid...
What's the best way to get the last element of an array without deleting it?
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@DavidMurdoch Perhaps, but it sure does churn the RAM and CPU, creating the temp array for the array values...
– Theodore R. Smith
May 5 '12 at 2:46
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How to use WeakReference in Java and Android development?
...ay well when in use. Of note, NetBeans can be brought to an effective 100% CPU stop by this.
– Tom Hawtin - tackline
Jul 14 '10 at 9:22
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Which is faster/best? SELECT * or SELECT column1, colum2, column3, etc
...s - go ahead, vote me down - but in my world, developer time is scarce and CPU cycles are abundant, so I adjust accordingly what I conserve and what I waste.
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Java 8 Streams: multiple filters vs. complex condition
...arge array 1,000,000 elements throughput ops/s:
NOTE: tests runs on
8 CPU
1 GB RAM
OS version: 16.04.1 LTS (Xenial Xerus)
java version: 1.8.0_121
jvm: -XX:+UseG1GC -server -Xmx1024m -Xms1024m
UPDATE:
Java 11 has some progress on the performance, but the dynamics stay the same
Benchmark mo...
现实版《道士下山》：道长老梁的四面人生 - 轻松一刻 - 清泛网 - 专注C/C++...
...前已经4皇冠；在“知乎”上，他解答了120个道教的相关问题，获得了7000个赞同；他还是道教题材的玄幻小说《返真》的作者，起点中文网A级签约作家……
在现实生活中，在金仙观里，却丝毫看不出他的“另类”，只是普通的...
Java Programming - Where should SQL statements be stored? [closed]
...k-in in the java world is interesting.
I hope you haven't paid $50000 pr CPU for Oracle Enterprise, and then only used the least common denominator in order to switch to Mysql any minute. As any good DBA will tell you, there are subtle differences between the different big name databases, especial...