大约有 40,000 项符合查询结果（耗时：0.0658秒） [XML]
Create an index on a huge MySQL production table without table locking
...ters:
Master A has your MySQL database running on it
Bring Master B into service and have it replicate writes from Master A ( B is a slave of A)
Perform the schema update on Master B. It will fall behind during the upgrade
Let Master B catch up. Invariant: Your schema change MUST be capable of p...
How can I convert my Java program to an .exe file? [closed]
... be done with standard dialogues. But even though we're setting up windows services with it, we're only using standard components.
installer + launcher
windows or unix
scriptable in Java
ant task
lots of customizable standard panels and actions
optionally includes or downloads a JRE
can also launc...
Handler vs AsyncTask vs Thread [closed]
...small waiting operations like the following:
Fetching some data from web services and display over the layout.
Database query.
When you realize that running operation will never, ever be nested.
Handler:
When we install an application in android, then it creates a thread for that application ca...
Paging in a Rest Collection
...some of you guys. I've been working for weeks on this features for my REST service. What I ended up doing is really simple. My solution only makes a sense for what REST people call a collection.
Client MUST include a "Range" header to indicate which part of the collection he needs, or otherwise be ...
What is a stack trace, and how can I use it to debug my application errors?
...MyServlet.doPost(MyServlet.java:169)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
at org.mortbay.jetty.servlet.ServletHandler$C...
What are the differences between JSON and JSONP?
... a variable or passed to a function. So what we do instead is tell the web service to call a function on our behalf when it's ready.
For example, we might request some data from a stock exchange API, and along with our usual API parameters, we give it a callback, like ?callback=callThisWhenReady. T...
Copy existing project with a new name in Android Studio
...
Important : If your are using google play services. Also make sure to update package names in google-services.json file.
– Gihan Gamage
Apr 6 '19 at 2:41
...
Rails Observer Alternatives for 4.0
... for a project over the last few months. You do end up with lots of little services, but the ease of testing and maintaining it definitely outweighs the disadvantages. My fairly extensive specs on this medium sized system still only take 5 seconds to run :)
– Luca Spiller
...
Android Webview - Webpage should fit the device screen
....
private int getScale(){
Display display = ((WindowManager) getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay();
int width = display.getWidth();
Double val = new Double(width)/new Double(PIC_WIDTH);
val = val * 100d;
return val.intValue();
}
Then use
WebView web ...
Find the PID of a process that uses a port on Windows
My service crash on startup with the classic:
7 Answers
7
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