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How do I resolve ClassNotFoundException?
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A classpath is a list of locations to load classes from.
These 'locations' can either be directories, or jar files.
For directories, the JVM will follow an expected pattern for loading a class. If I have the directory C:/myproject/classes in my classpath, and I attempt to...
JavaScript: Get image dimensions
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You get upvote from me although it is using jQuerry. The approach is that matters.
– krankuba
Apr 25 '19 at 11:17
a...
How can I detect when an Android application is running in the emulator?
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This is what I had to update to after using the answer from @Aleadam for quite awhile (it stopped working for me).
– ckbhodge
Jul 8 '16 at 10:20
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How to execute more than one maven command in bat file?
...'s also figuring out a similar problem of building multiple maven projects from a batch file in Windows:
REM maven itself uses a batch file so each mvn must be preceded by "call"
REM the -f flag specifies where the pom.xml is found for the project
REM mvn install will save the target output to %use...
Nodemailer with Gmail and NodeJS
...lowing url (while connected to google with the account I want to send mail from):
https://www.google.com/settings/security/lesssecureapps
There I enabled less secure apps.
Done
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Why are quaternions used for rotations?
...ler angles use the least memory; matrices use more memory but don't suffer from Gimbal lock and have nice analytical properties; and quaternions strike a nice balance of both, being lightweight, but free from Gimbal lock.
sh...
Libraries do not get added to APK anymore after upgrade to ADT 22
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Quoting Streets of Boston from his adt-dev post:
When upgrading, the 'Order and Export' of the new 'Android Private
Libraries' is not always checked. And the android-support-v4.jar is now in
this 'Android Private Libraries' section.
To...
Fastest way to determine if an integer's square root is an integer
...the classical way.
// The correctness is not trivial as the conversion from long to double is lossy!
final long tst = (long) Math.sqrt(x);
return tst * tst == x;
}
The first test catches most non-squares quickly. It uses a 64-item table packed in a long, so there's no array access cost ...
Quickly find whether a value is present in a C array?
... up wasting lots of time tuning the output that way. Compilers (especially from Microsoft) have come a long way in the last few years, but they are still not as smart as the compiler between your ears because you're working on your specific situation and not just a general case. The compiler may not...
What exactly is a reentrant function?
Most of the times , the definition of reentrance is quoted from Wikipedia :
7 Answers
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