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What happens if a Android Service is started multiple times?
...so says there: "The startService() method returns immediately and the Android system calls the service's onStartCommand() method. If the service is not already running, the system first calls onCreate(), then calls onStartCommand()." So if the service is already running then the system will skip the...
Use jQuery to get the file input's selected filename without the path
...ng Safari on a Mac, and I see "C:\fakepath\" in there. (Play with it in jsfiddle.)
– Mike DeSimone
Mar 8 '12 at 16:12
1
...
How do I prevent the padding property from changing width or height in CSS?
...
Many of you should consider the width: auto trick below. Works across browsers, less code, etc.
– Ryan Shillington
Oct 3 '13 at 21:07
...
When restoring a backup, how do I disconnect all active connections?
...ster
Go
Declare @dbname sysname
Set @dbname = 'databaseName'
Declare @spid int
Select @spid = min(spid) from master.dbo.sysprocesses
where dbid = db_id(@dbname)
While @spid Is Not Null
Begin
Execute ('Kill ' + @spid)
Select @spid = min(spid) from master.dbo.sysprocesses
wh...
Android - Writing a custom (compound) component
The Android app I'm currently developing has a main activity that has grown quite large. This is mainly because it contains a TabWidget with 3 tabs. Each tab has quite a few components. The activity has to control of all those components at once. So I think you can imagine that this Activity has l...
Adding div element to body or document in JavaScript
...
Try this out:-
http://jsfiddle.net/adiioo7/vmfbA/
Use
document.body.innerHTML += '<div style="position:absolute;width:100%;height:100%;opacity:0.3;z-index:100;background:#000;"></div>';
instead of
document.body.innerHTML = '<div...
create multiple tag docker image
...ple tags on your images via the command line.
Use this to list your image ids:
$ docker images
Then tag away:
$ docker tag 9f676bd305a4 ubuntu:13.10
$ docker tag 9f676bd305a4 ubuntu:saucy
$ docker tag eb601b8965b8 ubuntu:raring
...
...
What does “Object reference not set to an instance of an object” mean? [duplicate]
...es are primitives such as integers and booleans or structures (and can be identified because they inherit from System.ValueType). Boolean variables, when declared, have a default value:
bool mybool;
//mybool == false
Reference types, when declared, do not have a default value:
class ExampleClas...
Maven Could not resolve dependencies, artifacts could not be resolved
...e quick googling, try adding this to your POM:
<repository>
<id>com.springsource.repository.bundles.release</id>
<name>SpringSource Enterprise Bundle Repository - SpringSource Bundle Releases</name>
<url>http://repository.springsource.com/maven/bundle...
Best explanation for languages without null
...at every Person has a FirstName and a LastName, but only some people have MiddleNames, then I would like to say something like
class Person
private string FirstName
private Option<string> MiddleName
private string LastName
where string here is assumed to be a non-nullable type. ...