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converting CSV/XLS to JSON? [closed]
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This worked perfectly for me and does NOT require a file upload:
https://github.com/cparker15/csv-to-json?files=1
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improv...
Syntax for a single-line Bash infinite while loop
I am having trouble coming up with the right combination of semicolons and/or braces. I'd like to do this, but as a one-liner from the command line:
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Random strings in Python
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Generating strings from (for example) lowercase characters:
import random, string
def randomword(length):
letters = string.ascii_lowercase
return ''.join(random.choice(letters) for i in range(length))
Results:
>>> randomword(10)
'v...
VBoxManage: error: Failed to create the host-only adapter
I am running vagrant 1.4 and virtual box 4.3 on fedora 17 machine. When I do "vagrant up", I get this error:
32 Answers...
Interactive search/replace regex in Vim?
I know the regex for doing a global replace,
7 Answers
7
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How to convert int to char with leading zeros?
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Note that for postgres you'll need to replace the + with ||, so select right('00000' || cast(Your_Field as varchar(5)), 5)
– ronedg
Apr 20 '16 at 16:41
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MongoDB drop every database
...hen execute it in the mongoconsole.
var dbs = db.getMongo().getDBNames()
for(var i in dbs){
db = db.getMongo().getDB( dbs[i] );
print( "dropping db " + db.getName() );
db.dropDatabase();
}
save it to dropall.js and then execute:
mongo dropall.js
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How to view corresponding SQL query of the Django ORM's queryset?
Is there a way I can print the query the Django ORM is generating?
8 Answers
8
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How to repeat last command in python interpreter shell?
...ow do I repeat the last command? The usual keys: Up, Ctrl+Up, Alt-p don't work. They produce nonsensical characters.
26 Ans...
Can't find @Nullable inside javax.annotation.*
...llable annotation to eliminate NullPointerExceptions .
I found some tutorials on the net, I noticed that this annotation comes from the package javax.annotation.Nullable ;
but when I import it a compilation error is generated: cannot find symbol
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