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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...
Angular HttpPromise: difference between `success`/`error` methods and `then`'s arguments
...
Source code from angular.js of $http service: promise.success = function(fn) { promise.then(function(response) { fn(response.data, response.status, response.headers, config); }); return promise; };
– Alex Che
Nov 28 '13 a...
What is Serialization?
...that it can be stored in a database/file or sent across a network in a web service call. Deserialization is the reverse process - converting an XML/string back into an object.
EDIT:
Another term you might come across is marshalling/unmarshalling. Marshalling is basically the same concept as seria...
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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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 ...
What is the difference between angular-route and angular-ui-router?
...nize the parts of your interface into a state machine.
Unlike the $route service in Angular core, which is organized around
URL routes, UI-Router is organized around states, which may optionally
have routes, as well as other behavior, attached.
States are bound to named, nested and parall...
What is a stack trace, and how can I use it to debug my application errors?
...MyServlet.doPost(MyServlet.java:169)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
at org.mortbay.jetty.servlet.ServletHandler$C...
Xml configuration versus Annotation based configuration [closed]
...o with the class is good use of annotations.
Putting the URL into the @Webservice annotation is bad style.
But this is just my opinion.
The line between interaction and configuration is not always clear.
share
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Redirecting to a certain route based on condition
...er docs: "factory - {string|function}: If string then it is an alias for a service. Otherwise if function, then it is injected and the return value is treated as the dependency. If the result is a promise, it is resolved before its value is injected into the controller. Be aware that ngRoute.$routeP...
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...