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Best way to pretty print a hash
...\2:"). # "foo": 1 -> foo: 1
gsub(/(^\s*)(".*?"):/, "\\1\\2 =>") # "123": 1 -> "123" => 1
{
a: 1,
"2" => 3,
"3" => nil
}
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Detect if Android device has Internet connection
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You might want to use g.cn/generate_204 instead of clients3.google.com/generate_204 if you want to test connectivity in China as well
– breez
Aug 10 '17 at 5:59
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Django DB Settings 'Improperly Configured' Error
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Jacob YoungJacob Young
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How would you make a comma-separated string from a list of strings?
...gIO
import StringIO
import csv
l = ['list','of','["""crazy"quotes"and\'',123,'other things']
line = StringIO.StringIO()
writer = csv.writer(line)
writer.writerow(l)
csvcontent = line.getvalue()
# 'list,of,"[""""""crazy""quotes""and\'",123,other things\r\n'
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How can I pass a member function where a free function is expected?
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There isn't anything wrong with using function pointers. However, pointers to non-static member functions are not like normal function pointers: member functions need to be called on an object which is passed as an implicit argument to the function. The signature...
Get folder name from full file path
... answered Jun 27 '18 at 15:39
123iamking123iamking
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What does “xmlns” in XML mean?
...lt;homecity>
<name>London</name>
<lat>123.000</lat>
<long>0.00</long>
</homecity>
</person>
If our two XMLs were combined into a single document, how would we tell the two names apart? As you can see above, there are tw...
How to properly assert that an exception gets raised in pytest?
How to make pytest print traceback, so I would see where in the whatever function an exception was raised?
11 Answers
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Git 'fatal: Unable to write new index file'
...answered Mar 27 '15 at 15:36
gls123gls123
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How do I repeat an edit on multiple lines in Vim?
... to insert something on multiple lines, use Shift-i.
So for the text:
abc123abc
def456def
ghi789ghi
if you hit Ctrl-v with your cursor over the 1, hit j twice to go down two columns, then Shift-i,ESC , your text would look like this:
abc,123abc
def,456def
ghi,789ghi
(the multi-line insert has...