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Override Java System.currentTimeMillis for testing time sensitive code
...to turn on one specific HotSpot optimization - run JVM with this argument -XX:-Inline.
While this may not be perfect for production, it is just fine for tests and it is absolutely transparent for application, especially when DataFactory doesn't make business sense and is introduced only because of ...
Comparison of Android networking libraries: OkHTTP, Retrofit, and Volley [closed]
.../Vinayrraj/CustomVolley)
Update: in latest release of Google volley, the 2XX Status codes bug is fixed now!Thanks to Ficus Kirkpatrick!
it's less documented but many of the people are supporting volley in github, java like documentation can be found here.
On android developer website, you may find...
Java 8 Streams: multiple filters vs. complex condition
... 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 mode: Throughput, ops/time
...
What is the list of supported languages/locales on Android?
...h). When using ISO 639-1 codes, the resource folder has the format values-xx... where xx is the ISO-639-1 code.
When using BCP 47 tags, the resource folder is named values-b+xxx... where xxx is the three-letter language code.
Here's the list for before Android 2.3 (Source)
Language / Locale ...
Detect if Visual C++ Redistributable for Visual Studio 2012 is installed
...161 (SP1)
Registry Key: HKLM\SOFTWARE\Classes\Installer\Products\6E815EB96CCE9A53884E7857C57002F0
Configuration: x86
Version: 9.0.30729.6161 (Actual $Version data in registry: 0x9007809 [DWORD])
Direct Download URL: https://download.microsoft.com/download/d/d/9/dd9a82d0-52ef-40db-8dab-795376989c03...
Releasing memory in Python
...
Try it like this, and tell me what you get. Here's the link for psutil.Process.memory_info.
import os
import gc
import psutil
proc = psutil.Process(os.getpid())
gc.collect()
mem0 = proc.get_memory_info().rss
# create approx. 10**7 int objects and pointers
foo = ['abc' for x in range(10**7)]
mem1...
数据存储组件 · App Inventor 2 中文网
...VIP 搜索 数据存储组件
数据存储组件
云数据库
属性
事件
方法
...
Why is it bad practice to call System.gc()?
...bugs.sun.com/view_bug.do?bug_id=6668279
and in particular that there's a -XX:DisableExplicitGC VM option.
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boost::flat_map and its performance compared to map and unordered_map
... is common knowledge in programming that memory locality improves performance a lot due to cache hits. I recently found out about boost::flat_map which is a vector based implementation of a map. It doesn't seem to be nearly as popular as your typical map / unordered_map so I haven't been able to...
When to use LinkedList over ArrayList in Java?
...ingle element. How unintuitive! What happens if you run your example with -XX:+UseCompressedOops?
– jontejj
Apr 17 '13 at 15:31
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