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Script parameters in Bash
...h bar.sh $1
# cat foo2.sh
bash bar.sh "$1"
# bar.sh
echo "1-$1" "2-$2"
Now invoke:
$ bash foo.sh "a b"
1-a 2-b
$ bash foo2.sh "a b"
1-a b 2-
When you invoke foo.sh "a b" then it invokes bar.sh a b (two arguments), and with foo2.sh "a b" it invokes bar.sh "a b" (1 argument). Always have in mi...
How to get the source directory of a Bash script from within the script itself?
...e: whatdir.sh
dirname: /Users/phatblat
dirname/readlink: /Users/phatblat
Now changing directories:
>>>$ cd /tmp
>>>$ ~/whatdir.sh
pwd: /tmp
$0: /Users/phatblat/whatdir.sh
basename: whatdir.sh
dirname: /Users/phatblat
dirname/readlink: /Users/phatblat
And finally using a symbo...
Differences between numpy.random and random.random in Python
...ndom numbers, and they're both completely deterministic - that is, if you know a few key bits of information, it's possible to predict with absolute certainty what number will come next. For this reason, neither numpy.random nor random.random is suitable for any serious cryptographic uses. But becau...
What is the recommended way to delete a large number of items from DynamoDB?
...
The link to BatchWriteItem is now docs.aws.amazon.com/amazondynamodb/latest/APIReference/…
– Tony
Jan 10 '17 at 15:18
4
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Choose Git merge strategy for specific files (“ours”, “mine”, “theirs”)
...reversal of ours/theirs with rebase was driving me crazy!! (It makes sense now that I think about how a rebase actually works, but not at all intuitive.)
– Dan Lenski
Feb 19 '16 at 1:39
...
Value of i for (i == -i && i != 0) to return true in Java
...if i get 2's compliment of it, it is again 011111...+1 = 100000...but you know it top of your head or we can apply any logic?
– Sunny
Jul 22 '13 at 6:29
1
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Read a zipped file as a pandas DataFrame
...
zip is now supported in pandas 0.18.1
– nishant
May 5 '16 at 2:16
1
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Git: How to remove file from index without deleting files from any repository
...d an intention like “stop tracking this file, but do not delete it”. - now it can, with git rm --cached foo.conf
– Nick Volynkin
Mar 1 '16 at 8:24
1
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How do I send a JSON string in a POST request in Go
...
now it have panics on playground. May be you shold fix or update something?
– Altenrion
Jan 4 '17 at 16:02
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Convert INT to VARCHAR SQL
...
Thanks. But now I got another error. When I try to do this kind of Select : SELECT CONVERT(varchar(10), field_name) FROM table_name. Or even the normal one like: SELECT field_name FROM table_name. Both are correct. I dont know why. But w...