I have written several articles about downloading. In general, the following points:1, maintenance of a download process Hashmap,key: Using MD5 to process the file, value for the downloaded task.To prevent the download from recurring. and save the information to the database.2, download thread task inherits from Runnable, use Randomaccessfile to guarantee to be a
When you recently changed your computer and started building an Android development environment, the download SDK always had the following error:
Copy Code code as follows:
Failed to fetch URL http://dl-ssl.google.com/android/repository/addons_list-1.xml.
Said Dl-ssl.google.com was strong in the mainland, the solution is to modify the C:\Windows\System32\drivers\etc\hosts file . Add a line:
Copy Code code as follows:
, asynchronous loading is not used, which leads to time-consuming loading of homepage data, and even false positives. The new version has solved this problem. Therefore, if I say performance is improved by 300%, it is also possible.
Ii. Offline download
As you can see, the new version now includes the offline download function, which allows you to download the l
There are a number of WIN10 users complaining that downloading updates on the WIN10 preview is slow. In fact, this problem is not only Win10 system to appear, what method can be solved? You can try to make a small series of the following two recommendations for action.
Method One: Download a standalone installation image file
Go to Microsoft website to download
SmartClient concept is relatively hot recently, but before Microsoft put forward this term has a lot of software in doing so, on the one hand is to simplify the deployment of clients, on the one hand is to provide automatic upgrade function; For traditional WinForm applications, it is a good solution to reduce maintenance costs. ;
Microsoft in the introduction of the SmartClient concept, the introduction of
1. Run SDK Manager.2.Android SDK Manager "+" Tools "+" Options ... ", tick" Others "in" Force Https://...sources to be fetched using http:// ... "option. As shown in the following:The following error will always appear in the Download SDK:Failed to fetch URL http://dl-ssl.google.com/android/repository/addons_list-1.xml.The workaround is to modify the C:\Windows\System32\drivers\etc\hosts file . Add a line:Note Here is that the Hosts file is read-only,
The concept of SmartClient has been quite popular recently, but a large number of software has been doing so before Microsoft proposed this term. On the one hand, it is to simplify the deployment of the client, and on the other hand, it provides the automatic upgrade function; for traditional WinForm applications, it is indeed a good solution to reduce maintenance costs;When Microsoft launched the SmartClie
When starting to build an Android development environment, the following error will always appear in the Download SDK:[Java]View Plaincopy
Failed to fetch URL http: //dl-ssl.google.com/android/repository/addons_list-1.xml.
It is said that dl-ssl.google.com in the mainland was strong, the great heavenly Kingdom is really not let people live, the solution is to modify the C:\Windows\System32\drivers\etc\hosts file. Add a line:[Java]View Plaincopy
Win8.1 the application store cannot download and update the application How do you do that? Users of the Win8.1 system can download and update applications in the App Store. Very convenient to use, but for this new Microsoft system, a lot of people still have some helpless,
Because of the inconvenient use of the update program provided by Microsoft, this program is written again. This program is a year ago I wrote a program, at that time in the development of a CS version of the quotation system, because of the development process in haste, The code might be a little bit too spec. This program compiles only after the AutoUpdate.exe file is updatelist.xml with a configuration f
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