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Download a file with Android, and showing the progress in a ProgressDialog
...Use AsyncTask and show the download progress in a dialog
This method will allow you to execute some background processes and update the UI at the same time (in this case, we'll update a progress bar).
Imports:
import android.os.PowerManager;
import java.io.InputStream;
import java.io.OutputStream...
Why do x86-64 instructions on 32-bit registers zero the upper part of the full 64-bit register?
...he CPU would have to wait on. The register renaming mechanism would essentially be defeated if it wasn't done that way.
This way you can write fast code using 32-bit values in 64-bit mode without having to explicitly break dependencies all the time. Without this behaviour, every single 32-bit instr...
Fastest way to remove first char in a String
...member that when you are testing performance this way, you are affected by CPU caching, so you need to do that on the random strings, that you pre-populated an array (list) with, and randomly select the element of that array (list).
– ajeh
Sep 9 '16 at 19:51
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Most Useful Attributes [closed]
... useful. There are some predefined ones such as [Browsable(false)] which allows you to hide properties in the properties tab. Here is a good question explaining attributes: What are attributes in .NET?
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Vagrant stuck connection timeout retrying
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I really didn't understand what this does, but it worked. So thank you.
– Lavixu
Aug 16 '14 at 4:05
1
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Performance of Arrays vs. Lists
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Very easy to measure...
In a small number of tight-loop processing code where I know the length is fixed I use arrays for that extra tiny bit of micro-optimisation; arrays can be marginally faster if you use the indexer / for form - but IIRC believe it dep...
Convert from enum ordinal to enum type
I've the enum type ReportTypeEnum that get passed between methods in all my classes but I then need to pass this on the URL so I use the ordinal method to get the int value. After I get it in my other JSP page, I need to convert it to back to an ReportTypeEnum so that I can continue passing it. ...
Apache 404页配置方法 - 更多技术 - 清泛网 - 专注IT技能提升
...做饭轻则被搜索引擎降权，重则K站!所以一定要切记这个问题!
因此，404页对于SEO极其重要，不可小视，这里提供几款404页面下载！
Apache 404页配置方法 - 更多技术 - 清泛网 - 专注IT技能提升
...做饭轻则被搜索引擎降权，重则K站!所以一定要切记这个问题!
因此，404页对于SEO极其重要，不可小视，这里提供几款404页面下载！
Apache 404页配置方法 - 更多技术 - 清泛网移动版 - 专注IT技能提升
...做饭轻则被搜索引擎降权，重则K站!所以一定要切记这个问题!
因此，404页对于SEO极其重要，不可小视，这里提供几款404页面下载！