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How to configure an app to run correctly on a machine with a high DPI setting (e.g. 150%)?
...ked for me but, something happened after I removed the Form.Font = new ... from the Form.Design.cs, the form started to re-scale properly, it works if the Font is defined in the constructor or not at all. Why? somebody else may be able to explained, I just can talk about the changed I made and took ...
How to implement a ViewPager with different Fragments / Layouts
...e, each Fragment displays a different text, depending on which class it is from and which instance it is.
Also be aware that I am using the support-library's Fragment:
android.support.v4.app.Fragment
MainActivity.java (Initializes the Viewpager and has the adapter for it as an inner class). ...
Remote debugging a Java application
...ugger for remote debugging:
Eclipse Settings:
1.Click the Run Button
2.Select the Debug Configurations
3.Select the “Remote Java Application”
4.New Configuration
Name : GatewayPortalProject
Project : GatewayPortal-portlet
Connection Type: Socket Attach
Connection Properties:
i) localhos...
How to map a composite key with JPA and Hibernate?
... way you write queries (making them more or less verbose):
with IdClass
select t.levelStation from Time t
with EmbeddedId
select t.timePK.levelStation from Time t
References
JPA 1.0 specification
Section 2.1.4 "Primary Keys and Entity Identity"
Section 9.1.14 "EmbeddedId Annotation"
Sect...
What's the difference between OpenID and OAuth?
... service. However, since OAuth does not support discovery, it requires pre-selecting and hard-coding the providers you decide to use. A user visiting your site cannot use any identifier, only those pre-selected by you. Also, OAuth does not have a concept of identity so using it for login means eithe...
Can't delete virtual device from Eclipse, android
...e inside [Your Device].avd folder
From Android Studio
Open AVD Manager
Select virtual device that you want to delete
Click down arrow at the end and select [Show on Disk] it will open directory
Find *.lock files and delete inside [Your Device].avd folder
After these steps it will allow you to ...
Solving a “communications link failure” with JDBC and MySQL [duplicate]
... TOMCAT6_SECURITY=no
use validationQuery property
use validationQuery="select now()" to make sure each query has responses
AutoReconnect
Add this code to your connection string:
&autoReconnect=true&failOverReadOnly=false&maxReconnects=10
Although non of these solutions worke...
How can I save application settings in a Windows Forms application?
...gs. Right click on the project in Solution Explorer and choose Properties. Select the Settings tab and click on the hyperlink if settings doesn't exist.
Use the Settings tab to create application settings. Visual Studio creates the files Settings.settings and Settings.Designer.settings that contain...
Amazon EC2, mysql aborting start because InnoDB: mmap (x bytes) failed; errno 12
.... Since Micro instances have only 613MB of memory, MySQL crashed every now and then. After a long search about MySQL, Micro Instance and Memory Managment I found out there is no default SWAP space for Micro instance. So if you want to avoid the crash you may need to setup a swap space for your micro...
What is HEAD in Git?
...sitory
can contain any number of heads. At
any given time, one head is selected
as the “current head.” This head is
aliased to HEAD, always in capitals".
Note this difference: a “head”
(lowercase) refers to any one of the
named heads in the repository; “HEAD”
(uppercas...