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Unicode equivalents for \w and \b in Java regular expressions?
...cter class shorthand as "any letter, digit, or connecting punctuation" (usually: underscore). That way, a regex like \w+ matches words like hello , élève , GOÄ_432 or gefräßig .
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Why is 128==128 false but 127==127 is true when comparing Integer wrappers in Java?
...ertain numbers are "pooled", and it returns the same instance for values smaller than 128.
From the java 1.6 source code, line 621:
public static Integer valueOf(int i) {
if(i >= -128 && i <= IntegerCache.high)
return IntegerCache.cache[i + 128];
else
return n...
What is the shortcut to Auto import all in Android Studio?
...ource id name>" with "android.R.<resource id name>" if there's an error that prevents R.java from being automatically generated. To avoid problems, you should add "android.R" to the "Exclude from Import and Completion" list; see stackoverflow.com/questions/21102497/…
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Dynamically update values of a chartjs chart
... In every single answer I see everyone using the chart object globally. Is there no other way to retrieve this object? I have a lot of charts and so assigning them globally is a problem.
– Axelle
Jun 23 at 9:57
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How can I change the version of npm using nvm?
..._modules/npm/bin/npm-cli.js
If you try to run npm, it will still give an error but if you do nvm use v0.4.12 again, it should now work.
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Android Emulator: Installation error: INSTALL_FAILED_VERSION_DOWNGRADE
...You can also consider adding -d flag to adb install. It should ignore this error.
adb install -r -d abc.apk
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How to convert a table to a data frame
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as.data.frame.matrix(table(x)) gives me Error in seq_len(ncols) : argument must be coercible to non-negative integer, while as.data.frame(table(x)) works, where x is just a numeric vector c(1,2,...)
– PatrickT
Oct 21 '17 at...
What are C++ functors and their uses?
...;void>(), _1, e));
There is one problem with all this stuff, compiler error messages is not human readable :)
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How can I convert byte size into a human-readable format in Java?
...fact: The original snippet posted here was the most copied Java snippet of all time on Stack Overflow, and it was flawed. It was fixed, but it got messy.
Full story in this article: The most copied Stack Overflow snippet of all time is flawed!
Source: Formatting byte size to human readable format |...
Running Bash commands in Python
...ss = subprocess.Popen(bashCommand.split(), stdout=subprocess.PIPE)
output, error = process.communicate()
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