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Unable to install gem - Failed to build gem native extension - cannot load such file — mkmf (LoadErr
...ing so i had to run open /Library/Developer/CommandLineTools/Packages/macOS_SDK_headers_for_macOS_10.14.pkg
That didnt work for me at first because the version of CommandLineTools i had installed did not have the "Packages" folder. So i uninstalled and reinstalled like this:
rm -rf /Library/Devel...
How can I generate an MD5 hash?
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You need java.security.MessageDigest.
Call MessageDigest.getInstance("MD5") to get a MD5 instance of MessageDigest you can use.
The compute the hash by doing one of:
Feed the entire input as a byte[] and calculate the hash in one operation with md.digest(bytes)...
How do I check if a file exists in Java?
...m there is an issue with stale file handles: bugs.java.com/bugdatabase/view_bug.do?bug_id=5003595 It's kind of obscure, but has been the cause of some frustrating bugs in production code before.
– CAW
Mar 17 '17 at 22:17
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How can I analyze Python code to identify problematic areas?
...8 and a bunch of plugins for regular checks and pre-commit hook. I'd actually recommend https://flakehell.readthedocs.io/config.html these days though, as it's execution model is much more robust and configurable.
– DylanYoung
Jul 7 at 18:39
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Confusion: @NotNull vs. @Column(nullable = false) with JPA and Hibernate
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How to change background color in android app
... but isn't it easier just to use the hex value?
– the_prole
Jun 21 '14 at 9:31
it would be very easy, but bad practice...
Indenting #defines
I know that #define s, etc. are normally never indented. Why?
8 Answers
8
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How to get rid of punctuation using NLTK tokenizer?
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You do not really need NLTK to remove punctuation. You can remove it with simple python. For strings:
import string
s = '... some string with punctuation ...'
s = s.translate(None, string.punctuation)
Or for unicode:
import string
tra...
Replacement for “rename” in dplyr
...which does keep it consistent with the rest of the dplyr functions. Personally, I don't think of it as a problem--you get used to new things quickly especially when it means a significant speedup in your data processing.
– vergilcw
Feb 3 '14 at 15:47
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How to really read text file from classpath in Java
...me classloader, you should be able to use either of:
// From ClassLoader, all paths are "absolute" already - there's no context
// from which they could be relative. Therefore you don't need a leading slash.
InputStream in = this.getClass().getClassLoader()
.getResou...