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Does a finally block always get executed in Java?
...ou can even add a return statement in the finally block itself, which will then override the previous return value. This also magically discards unhandled exceptions. At that point, you should consider refactoring your code.
– Zyl
Apr 15 '15 at 17:25
...
How to find reason of failed Build without any error or warning
...ols > Options > Build and Run]) to "Diagnostic" as shown below. This then showed that the custom action (in my case HgVersionFile) was what had failed.
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How to change package name of an Android Application
...e two Activity files
and do Ctrl-Shift-O to add missing import packages, then save each
file. Run the GestureBuilder application on the emulator.
Also, be sure you remembered to rename the package itself along with the references to it in the files. In Eclipse you can see the name of the pa...
Logical operator in a handlebars.js {{#if}} conditional
...return options.fn(this);
}
return options.inverse(this);
});
You can then call the helper in the template like this
{{#ifCond v1 v2}}
{{v1}} is equal to {{v2}}
{{else}}
{{v1}} is not equal to {{v2}}
{{/ifCond}}
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How does C compute sin() and other math functions?
...s used, computing Taylor-series approximations for both sin(x) and cos(x), then using values from a precomputed table to refine the approximation.
When |x| > 2, none of the above algorithms would work, so the code starts by computing some value closer to 0 that can be fed to sin or cos instead.
T...
Remove or uninstall library previously added : cocoapods
...
Remove lib from Podfile, then pod install again.
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Check Whether a User Exists
... need to fiddle with strings, [, $? or $():
if id "$1" &>/dev/null; then
echo 'user found'
else
echo 'user not found'
fi
(no need to use -u as you're discarding the output anyway)
Also, if you turn this snippet into a function or script, I suggest you also set your exit code appropri...
Expand a random range from 1–5 to 1–7
...y to realising the problem with that: if you're only calling rand5() once, then you only have 5 possible outcomes. There is obviously no way to turn that into more than 5 possible outcomes without adding more randomness.
– Daniel Earwicker
Dec 7 '12 at 10:43
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Why is MATLAB so fast in matrix multiplication?
... gpuArray(A);
% warm up by executing the operations a couple of times, and then:
>> tic, C = A * A; toc
Elapsed time is 0.075396 seconds.
>> tic, gC = gA * gA; toc
Elapsed time is 0.008621 seconds.
MATLAB uses highly optimized libraries for matrix multiplication which is why the plain ...
What is event bubbling and capturing?
...ling, the event is first captured and handled by the innermost element and then propagated to outer elements.
With capturing, the event is first captured by the outermost element and propagated to the inner elements.
Capturing is also called "trickling", which helps remember the propagation order:...