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Biggest GWT Pitfalls? [closed]
...alls in using GWT (and GWT-EXT) that were unable to be overcome? How about from a performance perspective?
24 Answers
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Differences and relationship between glActiveTexture and glBindTexture
...rent objects, and all of our object manipulation functions are adjusted to select from the current object.
When you change the currently active object, you change the entire set of target locations. So you can bind something that goes into current object 0, switch to current object 4, and will be m...
Check if at least two out of three booleans are true
...e a&&b || b&&c || a&&c version wins then.
Results from Tofubeer with the latest code running OS X:
a&&b || b&&c || a&&c : 1358 ms
a ? b||c : b&&c : 1187 ms
a&b | b&c | c&a : 410 ms
a + b + c >= 2 : 602 ms
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Exclude .svn directories from grep [duplicate]
...tput of first grep as input (via piping). By using the -v flag, grep will select the lines which DON'T match the search terms. Voila. You are left with all the ouputs from the first grep which do not contain .svn in the filepath.
-v, --invert-match
Invert the sense of matching, to select n...
Converting VS2012 Solution to VS2010
...y still get the incompatible error (as David reported) if you had .NET 4.5 selected as the default .NET version in your VS2012 project and your VS2010 enviroment doesn't support that.
To quickly fix that, open the VS2012 .csproj file in a text editor and change the TargetFrameworkVersion down to 4....
Unfortunately MyApp has stopped. How can I solve this?
.... Alternatively, you can press alt+6. Make sure your emulator or device is selected in the Devices panel. Next, try to find the stack trace, which is shown in red. There may be a lot of stuff logged into logcat, so you may need to scroll a bit. An easy way to find the stack trace is to clear the log...
Laravel 4 Eloquent Query Using WHERE with OR AND OR?
... ->orWhere('d', '=', $d);
})->get();
Will produce a query like:
SELECT * FROM <table> WHERE (a='foo' or b='bar') AND (c='john' or d='doe');
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Why is lazy evaluation useful?
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@Viclib A selection algorithm for finding the top k elements out of n is O(n + k log k). When you implement quicksort in a lazy language, and only evaluate it far enough to determine the first k elements (stopping evaluation after), i...
Visual Studio retrieving an incorrect path to a project from somewhere
...Source Control menu or the workspace drop down in Source Control Explorer)
select edit for your workspace.
You should see, under working folders, a mapping for the source
control directory to the old/wrong project directory.
Select it and click remove.
Close VS and delete the suo file.
It still r...
What is an EJB, and what does it do?
...abase, or accesses other connectivity/ directory resources, or is accessed from multiple clients, or is intended as a SOA service, EJBs today are usually "bigger, stronger, faster (or at least more scalable) and simpler" than POJOs. They are most valuable for servicing large numbers of users over t...