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Does Python have “private” variables in classes?
I'm coming from the Java world and reading Bruce Eckels' Python 3 Patterns, Recipes and Idioms .
12 Answers
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How can I debug git/git-shell related problems?
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For even more verbose output use following:
GIT_CURL_VERBOSE=1 GIT_TRACE=1 git pull origin master
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How to find and return a duplicate value in array
...s beautiful one liner code. And works perfectly fine unless you need to process huge data set.
Looking for faster solution? Here you go!
def find_one_using_hash_map(array)
map = {}
dup = nil
array.each do |v|
map[v] = (map[v] || 0 ) + 1
if map[v] > 1
dup = v
break
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Python base64 data decode
I have the following piece of base64 encoded data, and I want to use python base64 module to extract information from it. It seems that module does not work. Can anyone tell me how?
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How can I use a local image as the base image with a dockerfile?
...th just the name, and the full name includes the registry so if you reference that way it will fetch the tag there. You can tag it again with the simple form of the name and it will find it before looking to the registry. Worked for me.
– Gerry Gleason
Jun 19...
Can a Windows batch file determine its own file name?
... On Win2012, %cd% will return the Current Directory of the process that called the batch file. So, if you are at a prompt in D:\dir1 and enter Y:\foo\bar.bat, if bar.bat has @echo %cd% then it will output D:\dir1.
– Preacher
Jun 28 '18 at 21:56
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What is a “surrogate pair” in Java?
...ings of Unicode text. In UTF-16, 16-bit (two-byte) code units are used. Since 16 bits can only contain the range of characters from 0x0 to 0xFFFF, some additional complexity is used to store values above this range (0x10000 to 0x10FFFF). This is done using pairs of code units known as surrogates.
T...
Java 7 language features with Android
...nguage should be enabled automatically without any patches. Try-with-resource requires API Level 19+, and NIO 2.0 stuff are missing.
If you can't use Java 7 features, see @Nuno's answer on how to edit your build.gradle.
The following is for historical interest only.
A small part of Java 7 can ...
PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
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Security Notice: This solution should not be used in situations where the quality of your randomness can affect the security of an application. In particular, rand() and uniqid() are not cryptographically secure random number generators. ...
'git add --patch' to include new files?
...k the new file first.
git add -N someNewFile.txt
git add -p
However, since the file was untracked, it would show up as one giant hunk that couldn't be split (because it is all new!). So, then I needed to edit the hunk into smaller bits. If you're not familiar with that, checkout this reference ...