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Why are interface variables static and final by default?
... should be static otherwise it wont be accessible at all to outside world. Now since it is static, it can hold only one value and any classes that implements it can change it and hence it will be all mess.
Hence if at all there is an interface variable, it will be implicitly static, final and obvio...
Why can't I see the “Report Data” window when creating reports?
...the toolbox, and add controls to the report, but the "Report Data" pane is nowhere to be found, so I can't fill the controls on my report. However, if I run the solution, the "Report Data" pane appears, and I can drag fields on to my report, however the Toolbox contains no controls while I'm runnin...
How to update gradle in android studio?
...of course I updated. After the installation I restarted Android Studio but now I get this message:
14 Answers
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How can I disable a button on a jQuery UI dialog?
...es then you can use .filter() like this, but it's overkill here since you know your two buttons. If that is the case in other situations, it'd look like this:
$("#dialogID").next(".ui-dialog-buttonpane button").filter(function() {
return $(this).text() == "Confirm";
}).attr("disabled", true);
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How to show android checkbox at right side?
...
never mind - i've set a selector to the layout and now it's ok .
– android developer
Apr 24 '12 at 12:03
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From io.Reader to string in Go
...uf.Bytes()
s := *(*string)(unsafe.Pointer(&b))
There we go, you have now efficiently converted your byte array to a string. Really, all this does is trick the type system into calling it a string. There are a couple caveats to this method:
There are no guarantees this will work in all go com...
What are the typical reasons Javascript developed on Firefox fails on IE? [closed]
... on recent Firefox and Safari. I missed to check in Internet Explorer, and now I find the pages don't work on IE 6 and 7 (so far). The scripts are somehow not executed, the pages show as if javascript wasn't there, although some javascript is executed. I am using own libraries with dom manipulation,...
Are there good reasons not to use an ORM? [closed]
...te for some smaller projects which I mostly coded and designed on my own. Now, before starting some bigger project, the discussion arose how to design data access and whether or not to use an ORM layer. As I am still in my apprenticeship and still consider myself a beginner in enterprise programmin...
How do I read the source code of shell commands?
...inux commands are written with. I've gained some experience using them and now I think it's time to interact with my machine at a deeper level.
...
How can I reverse the order of lines in a file?
...
There's the well-known sed tricks:
# reverse order of lines (emulates "tac")
# bug/feature in HHsed v1.5 causes blank lines to be deleted
sed '1!G;h;$!d' # method 1
sed -n '1!G;h;$p' # method 2
(Explanation: prepen...