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Android emulator and virtualbox cannot run at same time
...ox running, I cannot start an Android emulator image (and vice versa). The error message in the AVD manager is
13 Answers
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Random number from a range in a Bash Script
... Also, it's probably fine for this use, but I believe shuf does actually permute the entire input. This makes it a bad choice if you're generating the random numbers very frequently.
– Cascabel
Mar 31 '10 at 20:42
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How to run only one local test class on Gradle
...this answer, as the --tests argument will be unsupported and you'll get an error.
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Why do you have to link the math library in C?
...es libm, so if you compile a C++ program with GCC (g++), you will automatically get libm linked in.
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case-insensitive list sorting, without lowercasing the result?
...the above x.sort(key=str.lower) command will fail and output the following error:
TypeError: descriptor 'lower' requires a 'str' object but received a 'unicode'
If you get this error, then either upgrade to Python 3 where they handle unicode sorting, or convert your unicode strings to ASCII strings...
How can I merge properties of two JavaScript objects dynamically?
...Later properties overwrite earlier properties with the same name. */
const allRules = {...obj1, ...obj2, ...obj3};
Here is also the MDN documentation for this syntax. If you're using babel you'll need the babel-plugin-transform-object-rest-spread plugin for it to work.
ECMAScript 2015 (ES6) Stand...
Maximum Java heap size of a 32-bit JVM on a 64-bit OS
...JVM can allocate up to 1577MiB:
[C:scratch]> java -Xmx1600M MaxMemory
Error occurred during initialization of VM
Could not reserve enough space for object heap
Could not create the Java virtual machine.
[C:scratch]> java -Xmx1590M MaxMemory
Total Memory: 2031616 (1.9375 MiB)
Max Memory: 16...
What does collation mean?
...y the ASCII code.
Once you get into those strange European languages with all their accents and other features, collation changes. For example, though the different accented forms of a may exist at disparate code points, they may all need to be sorted as if they were the same letter.
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How can I check if a Perl array contains a particular value?
...w to Perl 5.10. Took some time before I figured out why I'm getting syntax errors.
– Igor Skochinsky
Jun 11 '14 at 16:12
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Making git auto-commit
I'd like to use git to record all the changes to a file.
18 Answers
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