Actually this problem is due to the control panel requiring administrator privileges to allow the Java control panel to save your settings (it hasn’t been fixed for ages, thanks to Sun Microsystems). First, you need to find the Java Control Panel executable, in one of the following locations: C:\Program Files\Java\jre[version]\bin\javacpl.exe or C:\Program Files (x86)\Java\jre[version]\bin\javacpl.exe The … Read more
A domain-specific language makes a big difference in the amount of code you write. For example, you could argue that there’s not much difference between: chmod 640 /my/file and file { “/my/file”: mode => 640, } but there’s a great deal of difference between these: FILE=/my/file chmod 640 $FILE chown foo $FILE chgrp bar $FILE … Read more
String.format Or You can also use numeric positions, for example to switch the parameters around:
Right click on your Project in the project explorer Click on properties Click on Run Make sure your Main Class is the one you want to be the entry point. (Make sure to use the fully qualified name i.e. mypackage.MyClass) Click OK. Run Project 🙂 If you just want to run the file, right click … Read more
You can press Shift+Ctrl+O for auto importing.
Just cast your double to a float. Also notice that the primitive types can NOT store an infinite set of numbers:
You haven’t provided Spring Boot with enough information to auto-configure a DataSource. To do so, you’ll need to add some properties to application.properties with the spring.datasource prefix. Take a look at DataSourceProperties to see all of the properties that you can set. You’ll need to provide the appropriate url and driver class name:
:text will fail for a input with a type value of hidden. It’s also much more efficient to just use: ID attributes should be unique on a web page, make sure yours are as this may contribute to any problems you’re having, and specifying a more complicated selector just slows things down and doesn’t look … Read more
Can anyone guide me on how I can use a simple timeout in java? Basically in my project I’m executing a statement br.readLine(), which is reading a response from a modem. But sometimes the modem isn’t responding. For that purpose I want to add a timeout. I’m looking for a code like:
Because you are choosing jre dir. and not JDK dir. JDK dir. is for instance (depending on update and whether it’s 64 bit or 32 bit): C:\Program Files (x86)\Java\jdk1.7.0_45 In my case it’s 32 bit JDK 1.7 update 45